Shunsuke Mie [Wed, 7 Sep 2022 02:01:00 +0000 (11:01 +0900)]
misc: pci_endpoint_test: Fix pci_endpoint_test_{copy,write,read}() panic
The dma_map_single() doesn't permit zero length mapping. It causes a follow
panic.
A panic was reported on arm64:
[ 60.137988] ------------[ cut here ]------------
[ 60.142630] kernel BUG at kernel/dma/swiotlb.c:624!
[ 60.147508] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
[ 60.152992] Modules linked in: dw_hdmi_cec crct10dif_ce simple_bridge rcar_fdp1 vsp1 rcar_vin videobuf2_vmalloc rcar_csi2 v4l
2_mem2mem videobuf2_dma_contig videobuf2_memops pci_endpoint_test videobuf2_v4l2 videobuf2_common rcar_fcp v4l2_fwnode v4l2_asyn
c videodev mc gpio_bd9571mwv max9611 pwm_rcar ccree at24 authenc libdes phy_rcar_gen3_usb3 usb_dmac display_connector pwm_bl
[ 60.186252] CPU: 0 PID: 508 Comm: pcitest Not tainted 6.0.0-rc1rpci-dev+ #237
[ 60.193387] Hardware name: Renesas Salvator-X 2nd version board based on r8a77951 (DT)
[ 60.201302] pstate:
00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 60.208263] pc : swiotlb_tbl_map_single+0x2c0/0x590
[ 60.213149] lr : swiotlb_map+0x88/0x1f0
[ 60.216982] sp :
ffff80000a883bc0
[ 60.220292] x29:
ffff80000a883bc0 x28:
0000000000000000 x27:
0000000000000000
[ 60.227430] x26:
0000000000000000 x25:
ffff0004c0da20d0 x24:
ffff80000a1f77c0
[ 60.234567] x23:
0000000000000002 x22:
0001000040000010 x21:
000000007a000000
[ 60.241703] x20:
0000000000200000 x19:
0000000000000000 x18:
0000000000000000
[ 60.248840] x17:
0000000000000000 x16:
0000000000000000 x15:
ffff0006ff7b9180
[ 60.255977] x14:
ffff0006ff7b9180 x13:
0000000000000000 x12:
0000000000000000
[ 60.263113] x11:
0000000000000000 x10:
0000000000000000 x9 :
0000000000000000
[ 60.270249] x8 :
0001000000000010 x7 :
ffff0004c6754b20 x6 :
0000000000000000
[ 60.277385] x5 :
ffff0004c0da2090 x4 :
0000000000000000 x3 :
0000000000000001
[ 60.284521] x2 :
0000000040000000 x1 :
0000000000000000 x0 :
0000000040000010
[ 60.291658] Call trace:
[ 60.294100] swiotlb_tbl_map_single+0x2c0/0x590
[ 60.298629] swiotlb_map+0x88/0x1f0
[ 60.302115] dma_map_page_attrs+0x188/0x230
[ 60.306299] pci_endpoint_test_ioctl+0x5e4/0xd90 [pci_endpoint_test]
[ 60.312660] __arm64_sys_ioctl+0xa8/0xf0
[ 60.316583] invoke_syscall+0x44/0x108
[ 60.320334] el0_svc_common.constprop.0+0xcc/0xf0
[ 60.325038] do_el0_svc+0x2c/0xb8
[ 60.328351] el0_svc+0x2c/0x88
[ 60.331406] el0t_64_sync_handler+0xb8/0xc0
[ 60.335587] el0t_64_sync+0x18c/0x190
[ 60.339251] Code:
52800013 d2e00414 35fff45c d503201f (
d4210000)
[ 60.345344] ---[ end trace
0000000000000000 ]---
To fix it, this patch adds a checking the payload length if it is zero.
Fixes:
343dc693f7b7 ("misc: pci_endpoint_test: Prevent some integer overflows")
Cc: stable <stable@kernel.org>
Signed-off-by: Shunsuke Mie <mie@igel.co.jp>
Link: https://lore.kernel.org/r/20220907020100.122588-2-mie@igel.co.jp
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Shunsuke Mie [Wed, 7 Sep 2022 02:00:59 +0000 (11:00 +0900)]
misc: pci_endpoint_test: Aggregate params checking for xfer
Each transfer test functions have same parameter checking code. This patch
unites those to an introduced function.
Signed-off-by: Shunsuke Mie <mie@igel.co.jp>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20220907020100.122588-1-mie@igel.co.jp
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fabio M. De Francesco [Thu, 1 Sep 2022 15:44:08 +0000 (17:44 +0200)]
misc/xilinx_sdfec: Replace kmap() with kmap_local_page()
kmap() is being deprecated in favor of kmap_local_page().
There are two main problems with kmap(): (1) It comes with an overhead as
the mapping space is restricted and protected by a global lock for
synchronization and (2) it also requires global TLB invalidation when the
kmap’s pool wraps and it might block when the mapping space is fully
utilized until a slot becomes available.
With kmap_local_page() the mappings are per thread, CPU local, can take
page faults, and can be called from any context (including interrupts).
It is faster than kmap() in kernels with HIGHMEM enabled. Furthermore,
the tasks can be preempted and, when they are scheduled to run again, the
kernel virtual addresses are restored and still valid.
Since its use in xilinx_sdfec.c is safe, replace kmap()i / kunmap() with
kmap_local_page() / kunmap_local().
Cc: "Venkataramanan, Anirudh" <anirudh.venkataramanan@intel.com>
Suggested-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Link: https://lore.kernel.org/r/20220901154408.23984-3-fmdefrancesco@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fabio M. De Francesco [Thu, 1 Sep 2022 15:44:07 +0000 (17:44 +0200)]
misc/xilinx_sdfec: Call kunmap() on pages mapped with kmap()
Pages in an array are mapped in a loop but, after the code is done with
the virtual addresses, these pages are never unmapped.
Therefore, call kunmap() to unmap pages[i].
Cc: "Venkataramanan, Anirudh" <anirudh.venkataramanan@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Link: https://lore.kernel.org/r/20220901154408.23984-2-fmdefrancesco@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fabio M. De Francesco [Thu, 1 Sep 2022 13:57:14 +0000 (15:57 +0200)]
misc/vmw_vmci: Use kmap_local_page() in vmci_queue_pair.c
kmap() is being deprecated in favor of kmap_local_page().
There are two main problems with kmap(): (1) It comes with an overhead as
the mapping space is restricted and protected by a global lock for
synchronization and (2) it also requires global TLB invalidation when the
kmap’s pool wraps and it might block when the mapping space is fully
utilized until a slot becomes available.
With kmap_local_page() the mappings are per thread, CPU local, can take
page faults, and can be called from any context (including interrupts).
It is faster than kmap() in kernels with HIGHMEM enabled. Furthermore,
the tasks can be preempted and, when they are scheduled to run again, the
kernel virtual addresses are restored and still valid.
Since its use in vmci_queue_pair.c is safe everywhere, replace kmap() with
kmap_local_page().
Cc: "Venkataramanan, Anirudh" <anirudh.venkataramanan@intel.com>
Suggested-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Link: https://lore.kernel.org/r/20220901135714.16481-1-fmdefrancesco@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jiasheng Jiang [Thu, 1 Sep 2022 14:46:19 +0000 (22:46 +0800)]
virt: vbox: Remove unproper information
When drivers are working properly, they are quiet.
Therefore, the vbg_info() should be removed.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220901144619.3550352-1-jiasheng@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jiasheng Jiang [Thu, 1 Sep 2022 14:46:10 +0000 (22:46 +0800)]
virt: vbox: convert to use dev_groups
The driver core supports the ability to handle the creation and removal
of device-specific sysfs files in a race-free manner. Moreover, it can
guarantee the success of creation. Therefore, it should be better to
convert to use dev_groups.
Fixes:
0ba002bc4393 ("virt: Add vboxguest driver for Virtual Box Guest integration")
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220901144610.3550300-1-jiasheng@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Wei Yongjun [Wed, 7 Sep 2022 14:58:08 +0000 (14:58 +0000)]
misc: microchip: pci1xxxx: use module_auxiliary_driver
Use the module_auxiliary_driver() macro to make the code simpler
by eliminating module_init and module_exit calls.
Fixes:
7d3e4d807df2 ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.")
Reviewed-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220907145808.1789249-5-weiyongjun@huaweicloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Wei Yongjun [Wed, 7 Sep 2022 14:58:07 +0000 (14:58 +0000)]
misc: microchip: pci1xxxx: Add missing MODULE_DEVICE_TABLE
This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.
Fixes:
7d3e4d807df2 ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.")
Reviewed-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220907145808.1789249-4-weiyongjun@huaweicloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Wei Yongjun [Wed, 7 Sep 2022 14:58:06 +0000 (14:58 +0000)]
misc: microchip: pci1xxxx: Make symbol 'pci1xxxx_gpio_auxiliary_id_table' static
The sparse tool complains as follows:
drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c:409:34: warning:
symbol 'pci1xxxx_gpio_auxiliary_id_table' was not declared. Should it be static?
This symbol is not used outside of mchp_pci1xxxx_gpio.c, so marks it static.
Fixes:
7d3e4d807df2 ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.")
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220907145808.1789249-3-weiyongjun@huaweicloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Wei Yongjun [Wed, 7 Sep 2022 14:58:05 +0000 (14:58 +0000)]
misc: microchip: pci1xxxx: Fix missing spin_lock_init()
The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.
Fixes:
7d3e4d807df2 ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.")
Reviewed-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220907145808.1789249-2-weiyongjun@huaweicloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Wei Yongjun [Wed, 7 Sep 2022 14:58:04 +0000 (14:58 +0000)]
misc: microchip: pci1xxxx: fix error handling in gp_aux_bus_probe()
In some error handling path, resoures alloced may not released.
This patch fix them.
Fixes:
393fc2f5948f ("misc: microchip: pci1xxxx: load auxiliary bus driver for the PIO function in the multi-function endpoint of pci1xxxx device.")
Reviewed-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220907145808.1789249-1-weiyongjun@huaweicloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Vishnu Dasa [Tue, 6 Sep 2022 17:27:22 +0000 (10:27 -0700)]
MAINTAINERS: Add a new entry for VMWARE VSOCK VMCI TRANSPORT DRIVER
Add a new entry for VMWARE VSOCK VMCI TRANSPORT DRIVER in the
MAINTAINERS file.
Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Vishnu Dasa <vdasa@vmware.com>
Link: https://lore.kernel.org/r/20220906172722.19862-4-vdasa@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Vishnu Dasa [Tue, 6 Sep 2022 17:27:21 +0000 (10:27 -0700)]
MAINTAINERS: Change status of some VMware drivers
Change the status from 'Maintained' to 'Supported' for VMWARE
BALLOON DRIVER, VMWARE PVRDMA DRIVER, VMWARE PVSCSI driver,
VMWARE VMCI DRIVER, VMWARE VMMOUSE SUBDRIVER and VMWARE VMXNET3
ETHERNET DRIVER.
This needs to be done to conform to the guidelines in [1].
Maintainers for these drivers are VMware employees.
[1] https://docs.kernel.org/process/maintainers.html
Acked-by: Nadav Amit <namit@vmware.com>
Signed-off-by: Vishnu Dasa <vdasa@vmware.com>
Link: https://lore.kernel.org/r/20220906172722.19862-3-vdasa@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Vishnu Dasa [Tue, 6 Sep 2022 17:27:20 +0000 (10:27 -0700)]
MAINTAINERS: Change VMware PVSCSI driver entry to upper case
Change 'VMware PVSCSI driver' entry to upper case.
This is a trivial change being done for uniformity.
Signed-off-by: Vishnu Dasa <vdasa@vmware.com>
Link: https://lore.kernel.org/r/20220906172722.19862-2-vdasa@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Carlos Llamas [Tue, 6 Sep 2022 13:59:47 +0000 (13:59 +0000)]
binder: fix binder_alloc kernel-doc warnings
Update the kernel-doc section of struct binder_alloc to fix the
following warnings reported by ./scripts/kernel-doc:
warning: Function parameter or member 'mutex' not described in 'binder_alloc'
warning: Function parameter or member 'vma_addr' not described in 'binder_alloc'
No functional changes in this patch.
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Acked-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20220906135948.3048225-4-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Carlos Llamas [Tue, 6 Sep 2022 13:59:46 +0000 (13:59 +0000)]
binder: remove binder_alloc_set_vma()
The mmap_locked asserts here are not needed since this is only called
back from the mmap stack in ->mmap() and ->close() which always acquire
the lock first. Remove these asserts along with binder_alloc_set_vma()
altogether since it's trivial enough to be consumed by callers.
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20220906135948.3048225-3-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Carlos Llamas [Tue, 6 Sep 2022 13:59:45 +0000 (13:59 +0000)]
binder: rename alloc->vma_vm_mm to alloc->mm
Rename ->vma_vm_mm to ->mm to reflect the fact that we no longer cache
this reference from vma->vm_mm but from current->mm instead.
No functional changes in this patch.
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Acked-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20220906135948.3048225-2-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Kumaravel Thiagarajan [Tue, 6 Sep 2022 12:49:51 +0000 (18:19 +0530)]
misc: microchip: pci1xxxx: fix dependency issues in building the pci1xxxx's aux bus driver.
build errors and warnings listed below and reported by kernel
test robot <lkp@intel.com> on the char-misc-next branch are
fixed in this add-on patch.
errors:
ERROR: modpost: "auxiliary_device_init" [drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.ko] undefined!
ERROR: modpost: "__auxiliary_device_add" [drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.ko] undefined!
ERROR: modpost: "auxiliary_driver_unregister" [drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.ko] undefined!
ERROR: modpost: "__auxiliary_driver_register" [drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.ko] undefined!
ia64-linux-ld: drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.o: in function `gp_aux_bus_probe.part.0':
mchp_pci1xxxx_gp.c:(.text+0x342): undefined reference to `auxiliary_device_init'
ia64-linux-ld: mchp_pci1xxxx_gp.c:(.text+0x392): undefined reference to `__auxiliary_device_add'
ia64-linux-ld: mchp_pci1xxxx_gp.c:(.text+0x5c2): undefined reference to `auxiliary_device_init'
ia64-linux-ld: mchp_pci1xxxx_gp.c:(.text+0x612): undefined reference to `__auxiliary_device_add'
ia64-linux-ld: drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.o: in function `pci1xxxx_gpio_driver_init':
mchp_pci1xxxx_gpio.c:(.init.text+0x42): undefined reference to `__auxiliary_driver_register'
warnings:
unmet direct dependencies detected for GPIOLIB_IRQCHIP when selected by GP_PCI1XXXX
Fixes:
393fc2f5948f ("misc: microchip: pci1xxxx: load auxiliary bus driver for the PIO function in the multi-function endpoint of pci1xxxx device.")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Link: https://lore.kernel.org/r/20220906124951.696776-1-kumaravel.thiagarajan@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Greg Kroah-Hartman [Mon, 5 Sep 2022 05:53:56 +0000 (07:53 +0200)]
Merge 6.0-rc4 into char-misc-next
We need the char-misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linus Torvalds [Sun, 4 Sep 2022 20:10:01 +0000 (13:10 -0700)]
Linux 6.0-rc4
Linus Torvalds [Sun, 4 Sep 2022 18:33:22 +0000 (11:33 -0700)]
Merge tag 'powerpc-6.0-4' of git://git./linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix handling of PCI domains in /proc on 32-bit systems using the
recently added support for numbering buses from zero for each domain.
- A fix and a revert for some changes to use READ/WRITE_ONCE() which
caused problems with KASAN enabled due to sanitisation calls being
introduced in low-level paths that can't cope with it.
- Fix build errors on 32-bit caused by the syscall table being
misaligned sometimes.
- Two fixes to get IBM Cell native machines booting again, which had
bit-rotted while my QS22 was temporarily out of action.
- Fix the papr_scm driver to not assume the order of events returned by
the hypervisor is stable, and a related compile fix.
Thanks to Aneesh Kumar K.V, Christophe Leroy, Jordan Niethe, Kajol Jain,
Masahiro Yamada, Nathan Chancellor, Pali Rohár, Vaibhav Jain, and Zhouyi
Zhou.
* tag 'powerpc-6.0-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/papr_scm: Ensure rc is always initialized in papr_scm_pmu_register()
Revert "powerpc/irq: Don't open code irq_soft_mask helpers"
powerpc: Fix hard_irq_disable() with sanitizer
powerpc/rtas: Fix RTAS MSR[HV] handling for Cell
Revert "powerpc: Remove unused FW_FEATURE_NATIVE references"
powerpc: align syscall table for ppc32
powerpc/pci: Enable PCI domains in /proc when PCI bus numbers are not unique
powerpc/papr_scm: Fix nvdimm event mappings
Linus Torvalds [Sun, 4 Sep 2022 18:27:14 +0000 (11:27 -0700)]
Merge tag 'for-linus' of git://git./virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"s390:
- PCI interpretation compile fixes
RISC-V:
- fix unused variable warnings in vcpu_timer.c
- move extern sbi_ext declarations to a header
x86:
- check validity of argument to KVM_SET_MP_STATE
- use guest's global_ctrl to completely disable guest PEBS
- fix a memory leak on memory allocation failure
- mask off unsupported and unknown bits of IA32_ARCH_CAPABILITIES
- fix build failure with Clang integrated assembler
- fix MSR interception
- always flush TLBs when enabling dirty logging"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: check validity of argument to KVM_SET_MP_STATE
perf/x86/core: Completely disable guest PEBS via guest's global_ctrl
KVM: x86: fix memoryleak in kvm_arch_vcpu_create()
KVM: x86: Mask off unsupported and unknown bits of IA32_ARCH_CAPABILITIES
KVM: s390: pci: Hook to access KVM lowlevel from VFIO
riscv: kvm: move extern sbi_ext declarations to a header
riscv: kvm: vcpu_timer: fix unused variable warnings
KVM: selftests: Fix ambiguous mov in KVM_ASM_SAFE()
KVM: selftests: Fix KVM_EXCEPTION_MAGIC build with Clang
KVM: VMX: Heed the 'msr' argument in msr_write_intercepted()
kvm: x86: mmu: Always flush TLBs when enabling dirty logging
kvm: x86: mmu: Drop the need_remote_flush() function
Nick Desaulniers [Thu, 1 Sep 2022 17:59:13 +0000 (10:59 -0700)]
Makefile.extrawarn: re-enable -Wformat for clang; take 2
-Wformat was recently re-enabled for builds with clang, then quickly
re-disabled, due to concerns stemming from the frequency of default
argument promotion related warning instances.
commit
258fafcd0683 ("Makefile.extrawarn: re-enable -Wformat for clang")
commit
21f9c8a13bb2 ("Revert "Makefile.extrawarn: re-enable -Wformat for clang"")
ISO WG14 has ratified N2562 to address default argument promotion
explicitly for printf, as part of the upcoming ISO C2X standard.
The behavior of clang was changed in clang-16 to not warn for the cited
cases in all language modes.
Add a version check, so that users of clang-16 now get the full effect
of -Wformat. For older clang versions, re-enable flags under the
-Wformat group that way users still get some useful checks related to
format strings, without noisy default argument promotion warnings. I
intentionally omitted -Wformat-y2k and -Wformat-security from being
re-enabled, which are also part of -Wformat in clang-16.
Link: https://github.com/ClangBuiltLinux/linux/issues/378
Link: https://github.com/llvm/llvm-project/issues/57102
Link: https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2562.pdf
Suggested-by: Justin Stitt <jstitt007@gmail.com>
Suggested-by: Nathan Chancellor <nathan@kernel.org>
Suggested-by: Youngmin Nam <youngmin.nam@samsung.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Sun, 4 Sep 2022 04:27:27 +0000 (21:27 -0700)]
Merge tag 'gpio-fixes-for-v6.0-rc4' of git://git./linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"A a set of fixes from the GPIO subsystem.
Most are small driver fixes except the realtek-otto driver patch which
is pretty big but addresses a significant flaw that can cause the CPU
to stay infinitely busy on uncleared ISR on some platforms.
Summary:
- MAINTAINERS update
- fix resource leaks in gpio-mockup and gpio-pxa
- add missing locking in gpio-pca953x
- use 32-bit I/O in gpio-realtek-otto
- make irq_chip structures immutable in four more drivers"
* tag 'gpio-fixes-for-v6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: ws16c48: Make irq_chip immutable
gpio: 104-idio-16: Make irq_chip immutable
gpio: 104-idi-48: Make irq_chip immutable
gpio: 104-dio-48e: Make irq_chip immutable
gpio: realtek-otto: switch to 32-bit I/O
gpio: pca953x: Add mutex_lock for regcache sync in PM
gpio: mockup: remove gpio debugfs when remove device
gpio: pxa: use devres for the clock struct
MAINTAINERS: rectify entry for XILINX GPIO DRIVER
William Breathitt Gray [Fri, 2 Sep 2022 17:45:26 +0000 (13:45 -0400)]
gpio: ws16c48: Make irq_chip immutable
Kernel warns about mutable irq_chips:
"not an immutable chip, please consider fixing!"
Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
William Breathitt Gray [Fri, 2 Sep 2022 17:45:25 +0000 (13:45 -0400)]
gpio: 104-idio-16: Make irq_chip immutable
Kernel warns about mutable irq_chips:
"not an immutable chip, please consider fixing!"
Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
William Breathitt Gray [Fri, 2 Sep 2022 17:45:24 +0000 (13:45 -0400)]
gpio: 104-idi-48: Make irq_chip immutable
Kernel warns about mutable irq_chips:
"not an immutable chip, please consider fixing!"
Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
William Breathitt Gray [Fri, 2 Sep 2022 17:45:23 +0000 (13:45 -0400)]
gpio: 104-dio-48e: Make irq_chip immutable
Kernel warns about mutable irq_chips:
"not an immutable chip, please consider fixing!"
Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Linus Torvalds [Sat, 3 Sep 2022 20:23:11 +0000 (13:23 -0700)]
Merge tag 'for-linus-6.0-rc4-tag' of git://git./linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- a minor fix for the Xen grant driver
- a small series fixing a recently introduced problem in the Xen
blkfront/blkback drivers with negotiation of feature usage
* tag 'for-linus-6.0-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/grants: prevent integer overflow in gnttab_dma_alloc_pages()
xen-blkfront: Cache feature_persistent value before advertisement
xen-blkfront: Advertise feature-persistent as user requested
xen-blkback: Advertise feature-persistent as user requested
Linus Torvalds [Sat, 3 Sep 2022 20:21:01 +0000 (13:21 -0700)]
Merge tag 'loongarch-fixes-6.0-2' of git://git./linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai Chen:
"Fix several build errors or warnings, cleanup some code, and adjust
arch_do_signal_or_restart() to adapt generic entry"
* tag 'loongarch-fixes-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: mm: Remove the unneeded result variable
LoongArch: Fix arch_remove_memory() undefined build error
LoongArch: Fix section mismatch due to acpi_os_ioremap()
LoongArch: Improve dump_tlb() output messages
LoongArch: Adjust arch_do_signal_or_restart() to adapt generic entry
LoongArch: Avoid orphan input sections
Linus Torvalds [Sat, 3 Sep 2022 20:17:33 +0000 (13:17 -0700)]
Merge tag 's390-6.0-3' of git://git./linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Update defconfigs
- Fix linker script to align nospec tables correctly to avoid
potentially unbootable kernel with some config options
- Fix alignment check in prepare_hugepage_range() for 2GB hugepages to
avoid BUG in __unmap_hugepage_range() for unaligned mappings later
- Remove useless hugepage address alignment in hugetlb fault handling
* tag 's390-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/hugetlb: fix prepare_hugepage_range() check for 2 GB hugepages
s390: update defconfigs
s390: fix nospec table alignments
s390/mm: remove useless hugepage address alignment
Linus Torvalds [Sat, 3 Sep 2022 20:09:46 +0000 (13:09 -0700)]
Merge tag 'input-for-v6.0-rc3' of git://git./linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- GT1158 ID added to Goodix touchscreen driver
- Boeder Force Feedback Wheel USB added to iforce joystick driver
- fixup for iforce driver to avoid hangups
- fix autoloading of rk805-pwrkey driver.
* tag 'input-for-v6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: iforce - add support for Boeder Force Feedback Wheel
Input: iforce - wake up after clearing IFORCE_XMIT_RUNNING flag
Input: goodix - add compatible string for GT1158
MAINTAINERS: add include/dt-bindings/input to INPUT DRIVERS
Input: rk805-pwrkey - fix module autoloading
Input: goodix - add support for GT1158
dt-bindings: input: touchscreen: add compatible string for Goodix GT1158
Linus Torvalds [Sat, 3 Sep 2022 17:34:02 +0000 (10:34 -0700)]
Merge tag 'tty-6.0-rc4' of git://git./linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty/serial/vt driver fixes for 6.0-rc4 that
resolve a number of reported issues:
- n_gsm fixups for previous changes that caused problems
- much-reported serdev crash fix that showed up in 6.0-rc1
- vt font selection bugfix
- kerneldoc build warning fixes
- other tiny serial core fixes
All of these have been in linux-next for a while with no reported
problems"
* tag 'tty-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: n_gsm: avoid call of sleeping functions from atomic context
tty: n_gsm: replace kicktimer with delayed_work
tty: n_gsm: initialize more members at gsm_alloc_mux()
tty: n_gsm: add sanity check for gsm->receive in gsm_receive_buf()
tty: serial: atmel: Preserve previous USART mode if RS485 disabled
tty: serial: lpuart: disable flow control while waiting for the transmit engine to complete
tty: Fix lookahead_buf crash with serdev
serial: fsl_lpuart: RS485 RTS polariy is inverse
vt: Clear selection before changing the font
serial: document start_rx member at struct uart_ops
Linus Torvalds [Sat, 3 Sep 2022 17:32:17 +0000 (10:32 -0700)]
Merge tag 'staging-6.0-rc4' of git://git./linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are three small staging driver fixes for 6.0-rc4 that resolve
some reported problems and add some a device id:
- new device id for r8188eu driver
- use-after-free bugfixes for the rtl8712 driver
- fix up firmware dependency problem for the r8188eu driver
All of these have been in linux-next for a while with no reported
problems"
* tag 'staging-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: rtl8712: fix use after free bugs
staging: r8188eu: Add Rosewill USB-N150 Nano to device tables
staging: r8188eu: add firmware dependency
Linus Torvalds [Sat, 3 Sep 2022 17:27:25 +0000 (10:27 -0700)]
Merge tag 'clk-fixes-for-linus' of git://git./linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"Here's a collection of primarily clk driver fixes, with a couple fixes
to the core framework.
We had to revert out a commit that affected boot on some devices that
have the CLK_OPS_PARENT_ENABLE flag set. It isn't critical to have
that fix so we'll try again next time.
Driver side fixes include:
- Plug an OF-node refcount bug in the TI clk driver
- Fix the error handling in the raspberry pi firmware get_rate so
that errors don't look like valid frequencies
- Avoid going out of bounds in the raspberry pi driver too if the
video firmware returns something we're not expecting"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
Revert "clk: core: Honor CLK_OPS_PARENT_ENABLE for clk gate ops"
clk: bcm: rpi: Show clock id limit in error case
clk: bcm: rpi: Add missing newline
clk: bcm: rpi: Prevent out-of-bounds access
clk: bcm: rpi: Fix error handling of raspberrypi_fw_get_rate
clk: core: Fix runtime PM sequence in clk_core_unprepare()
clk: core: Honor CLK_OPS_PARENT_ENABLE for clk gate ops
clk: ti: Fix missing of_node_get() ti_find_clock_provider()
Linus Torvalds [Sat, 3 Sep 2022 17:24:30 +0000 (10:24 -0700)]
Merge tag 'hwmon-for-v6.0-rc4' of git://git./linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Fix out of bounds access in gpio-fan driver
- Fix VOUT margin caching in PMBus core
- Avoid error message after -EPROBE_DEFER from devm_regulator_register()
* tag 'hwmon-for-v6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (gpio-fan) Fix array out of bounds access
hwmon: (pmbus) Fix vout margin caching
hwmon: (pmbus) Use dev_err_probe() to filter -EPROBE_DEFER error messages
Steven Price [Fri, 2 Sep 2022 11:26:12 +0000 (12:26 +0100)]
mm: pagewalk: Fix race between unmap and page walker
The mmap lock protects the page walker from changes to the page tables
during the walk. However a read lock is insufficient to protect those
areas which don't have a VMA as munmap() detaches the VMAs before
downgrading to a read lock and actually tearing down PTEs/page tables.
For users of walk_page_range() the solution is to simply call pte_hole()
immediately without checking the actual page tables when a VMA is not
present. We now never call __walk_page_range() without a valid vma.
For walk_page_range_novma() the locking requirements are tightened to
require the mmap write lock to be taken, and then walking the pgd
directly with 'no_vma' set.
This in turn means that all page walkers either have a valid vma, or
it's that special 'novma' case for page table debugging. As a result,
all the odd '(!walk->vma && !walk->no_vma)' tests can be removed.
Fixes:
dd2283f2605e ("mm: mmap: zap pages with read mmap_sem in munmap")
Reported-by: Jann Horn <jannh@google.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
ye xingchen [Fri, 26 Aug 2022 07:29:03 +0000 (07:29 +0000)]
LoongArch: mm: Remove the unneeded result variable
Return the value pa_to_nid() directly instead of storing it in another
redundant variable.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Yupeng Li [Wed, 31 Aug 2022 05:40:17 +0000 (13:40 +0800)]
LoongArch: Fix arch_remove_memory() undefined build error
The kernel build error when unslected CONFIG_MEMORY_HOTREMOVE because
arch_remove_memory() is needed by mm/memory_hotplug.c but undefined.
Some build error messages like:
LD vmlinux.o
MODPOST vmlinux.symvers
MODINFO modules.builtin.modinfo
GEN modules.builtin
LD .tmp_vmlinux.kallsyms1
loongarch64-linux-gnu-ld: mm/memory_hotplug.o: in function `.L242':
memory_hotplug.c:(.ref.text+0x930): undefined reference to `arch_remove_memory'
make: *** [Makefile:1169:vmlinux] 错误 1
Removed CONFIG_MEMORY_HOTREMOVE requirement and rearrange the file refer
to the definitions of other platform architectures.
Signed-off-by: Yupeng Li <liyupeng@zbhlos.com>
Signed-off-by: Caicai <caizp2008@163.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Huacai Chen [Fri, 2 Sep 2022 14:33:42 +0000 (22:33 +0800)]
LoongArch: Fix section mismatch due to acpi_os_ioremap()
Now acpi_os_ioremap() is marked with __init because it calls memblock_
is_memory() which is also marked with __init in the !ARCH_KEEP_MEMBLOCK
case. However, acpi_os_ioremap() is called by ordinary functions such
as acpi_os_{read, write}_memory() and causes section mismatch warnings:
WARNING: modpost: vmlinux.o: section mismatch in reference: acpi_os_read_memory (section: .text) -> acpi_os_ioremap (section: .init.text)
WARNING: modpost: vmlinux.o: section mismatch in reference: acpi_os_write_memory (section: .text) -> acpi_os_ioremap (section: .init.text)
Fix these warnings by selecting ARCH_KEEP_MEMBLOCK unconditionally and
removing the __init modifier of acpi_os_ioremap(). This can also give a
chance to track "memory" and "reserved" memblocks after early boot.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Huacai Chen [Wed, 31 Aug 2022 06:22:43 +0000 (14:22 +0800)]
LoongArch: Improve dump_tlb() output messages
1, Use nr/nx to replace ri/xi;
2, Add 0x prefix for hexadecimal data.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Huacai Chen [Wed, 31 Aug 2022 03:19:27 +0000 (11:19 +0800)]
LoongArch: Adjust arch_do_signal_or_restart() to adapt generic entry
Commit
8ba62d37949e248c69 ("task_work: Call tracehook_notify_signal from
get_signal on all architectures") adjust arch_do_signal_or_restart() for
all architectures. LoongArch hasn't been upstream yet at that time and
can be still built successfully without adjustment because this function
has a weak version with the correct prototype. It is obviously that we
should convert LoongArch to use new API, otherwise some signal handlings
will be lost.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Ard Biesheuvel [Wed, 24 Aug 2022 15:31:10 +0000 (17:31 +0200)]
LoongArch: Avoid orphan input sections
Ensure that all input sections are listed explicitly in the linker
script, and issue a warning otherwise. This ensures that the binary
image matches the PE/COFF and other image metadata exactly, which is
important for things like code signing.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Linus Torvalds [Fri, 2 Sep 2022 23:44:30 +0000 (16:44 -0700)]
Merge tag 'block-6.0-2022-09-02' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request via Christoph:
- error handling fix for the new auth code (Hannes Reinecke)
- fix unhandled tcp states in nvmet_tcp_state_change (Maurizio
Lombardi)
- add NVME_QUIRK_BOGUS_NID for Lexar NM610 (Shyamin Ayesh)
- Add documentation for the ublk driver merged in this merge window
(Ming)
* tag 'block-6.0-2022-09-02' of git://git.kernel.dk/linux-block:
Documentation: document ublk
nvmet-tcp: fix unhandled tcp states in nvmet_tcp_state_change()
nvmet-auth: add missing goto in nvmet_setup_auth()
nvme-pci: add NVME_QUIRK_BOGUS_NID for Lexar NM610
Linus Torvalds [Fri, 2 Sep 2022 23:37:01 +0000 (16:37 -0700)]
Merge tag 'io_uring-6.0-2022-09-02' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
- A single fix for over-eager retries for networking (Pavel)
- Revert the notification slot support for zerocopy sends.
It turns out that even after more than a year or development and
testing, there's not full agreement on whether just using plain
ordered notifications is Good Enough to avoid the complexity of using
the notifications slots. Because of that, we decided that it's best
left to a future final decision.
We can always bring back this feature, but we can't really change it
or remove it once we've released 6.0 with it enabled. The reverts
leave the usual CQE notifications as the primary interface for
knowing when data was sent, and when it was acked. (Pavel)
* tag 'io_uring-6.0-2022-09-02' of git://git.kernel.dk/linux-block:
selftests/net: return back io_uring zc send tests
io_uring/net: simplify zerocopy send user API
io_uring/notif: remove notif registration
Revert "io_uring: rename IORING_OP_FILES_UPDATE"
Revert "io_uring: add zc notification flush requests"
selftests/net: temporarily disable io_uring zc test
io_uring/net: fix overexcessive retries
Linus Torvalds [Fri, 2 Sep 2022 23:20:24 +0000 (16:20 -0700)]
Merge tag '6.0-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Five fixes, all also marked for stable:
- fixes for collapse range and insert range (also fixes xfstest
generic/031)
- memory leak fix"
* tag '6.0-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix small mempool leak in SMB2_negotiate()
smb3: use filemap_write_and_wait_range instead of filemap_write_and_wait
smb3: fix temporary data corruption in insert range
smb3: fix temporary data corruption in collapse range
smb3: Move the flush out of smb2_copychunk_range() into its callers
Linus Torvalds [Fri, 2 Sep 2022 22:24:08 +0000 (15:24 -0700)]
Merge tag 'landlock-6.0-rc4' of git://git./linux/kernel/git/mic/linux
Pull landlock fix from Mickaël Salaün:
"This fixes a mis-handling of the LANDLOCK_ACCESS_FS_REFER right when
multiple rulesets/domains are stacked.
The expected behaviour was that an additional ruleset can only
restrict the set of permitted operations, but in this particular case,
it was potentially possible to re-gain the LANDLOCK_ACCESS_FS_REFER
right"
* tag 'landlock-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
landlock: Fix file reparenting without explicit LANDLOCK_ACCESS_FS_REFER
Linus Torvalds [Fri, 2 Sep 2022 22:03:12 +0000 (15:03 -0700)]
Merge tag 'mmc-v6.0-rc2' of git://git./linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
- Fix workaround for SD UHS-I voltage switch
* tag 'mmc-v6.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: core: Fix inconsistent sd3_bus_mode at UHS-I SD voltage switch failure
mmc: core: Fix UHS-I SD 1.8V workaround branch
Linus Torvalds [Fri, 2 Sep 2022 21:56:09 +0000 (14:56 -0700)]
Merge tag 'drm-fixes-2022-09-02' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Regular fixes pull. One core dma-buf fix, then two weeks of i915
fixes, a lot of amdgpu fixes mostly for new IP, and a bunch of msm
fixes, mostly modesetting ones.
Nothing seems too bad at this point.
dma-buf/dma-resv:
- Fence-handling fix
i915:
- GVT fixes including fix for a CommetLake regression in mmio table
and misc doc and typo fixes
- Fix CCS handling
- Fix for guc requests after reset
- Display DSI related fixes
- Display backlight related fixes
- Fix for a null pointer dereference
- HDMI related quirk for ECS Liva Q2 with GLK graphics
- Skip wm/ddb readout for disabled pipes
amdgpu:
- FRU error message fix
- MES 11 updates
- DCN 3.2.x fixes
- DCN 3.1.4 fixes
- Fix possible use after free in CS IOCTL
- SMU 13.0.x fixes
- Fix iolink reporting on devices with direct connections to CPU
- GFX10 tap delay firmware fixes
msm:
- Fix for inconsistent indenting in msm_dsi_dphy_timing_calc_v3().
- Fix to make eDP the first connector in the connected list.
- Fix to populate intf_cfg correctly before calling reset_intf_cfg().
- Specify the correct number of DSI regulators for SDM660.
- Specify the correct number of DSI regulators for MSM8996.
- Fix for removing DP_RECOVERED_CLOCK_OUT_EN bit for tps4 link training
- Fix probe-deferral crash in gpu devfreq
- Fix gpu debugfs deadlock"
* tag 'drm-fixes-2022-09-02' of git://anongit.freedesktop.org/drm/drm: (51 commits)
drm/amd/amdgpu: skip ucode loading if ucode_size == 0
drm/amdgpu: only init tap_delay ucode when it's included in ucode binary
drm/amd/display: Fix black flash when switching from ODM2to1 to ODMBypass
drm/amd/display: Fix check for stream and plane
drm/amd/display: Re-initialize viewport after pipe merge
drm/amd/display: Use correct plane for CAB cursor size allocation
drm/amdgpu: ensure no PCIe peer access for CPU XGMI iolinks
drm/amd/pm: bump SMU 13.0.0 driver_if header version
drm/amd/pm: use vbios carried pptable for all SMU13.0.7 SKUs
drm/amd/pm: use vbios carried pptable for those supported SKUs
drm/amd/display: fix wrong register access
drm/amd/display: use actual cursor size instead of max for CAB allocation
drm/amd/display: disable display fresh from MALL on an edge case for DCN321
drm/amd/display: Fix CAB cursor size allocation for DCN32/321
drm/amd/display: Missing HPO instance added
drm/amd/display: set dig fifo read start level to 7 before dig fifo reset
drm/amdgpu: Fix use-after-free in amdgpu_cs_ioctl
drm/amd/display: Fix OTG H timing reset for dcn314
drm/amd/display: Fix DCN32 DPSTREAMCLK_CNTL programming
drm/amdgpu: Update mes_v11_api_def.h
...
Linus Torvalds [Fri, 2 Sep 2022 17:55:23 +0000 (10:55 -0700)]
Merge tag 'driver-core-6.0-rc4' of git://git./linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are some small driver core fixes for some oft-reported problems
in 6.0-rc1. They include:
- a bunch of reverts to handle driver_deferred_probe_check_state()
problems that were part of the 6.0-rc1 merge.
- firmware_loader bugfixes now that the code is being properly tested
and used by others
- arch_topology fix
- deferred driver probe bugfix to solve a long-suffering amba bus
problem that many people have reported.
All of these have been in linux-next for a while with no reported
problems"
* tag 'driver-core-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
firmware_loader: Fix memory leak in firmware upload
firmware_loader: Fix use-after-free during unregister
arch_topology: Silence early cacheinfo errors when non-existent
driver core: Don't probe devices after bus_type.match() probe deferral
Revert "iommu/of: Delete usage of driver_deferred_probe_check_state()"
Revert "PM: domains: Delete usage of driver_deferred_probe_check_state()"
Revert "net: mdio: Delete usage of driver_deferred_probe_check_state()"
Revert "driver core: Delete driver_deferred_probe_check_state()"
Linus Torvalds [Fri, 2 Sep 2022 17:50:08 +0000 (10:50 -0700)]
Merge tag 'char-misc-6.0-rc4' of git://git./linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char/misc and other driver fixes for 6.0-rc4.
Included in here are:
- binder fixes for previous fixes, and a few more fixes uncovered by
them.
- iio driver fixes
- soundwire driver fixes
- fastrpc driver fixes for memory corruption on some hardware
- peci driver fix
- mhi driver fix
All of these have been in linux-next with no reported problems"
* tag 'char-misc-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
binder: fix alloc->vma_vm_mm null-ptr dereference
misc: fastrpc: increase maximum session count
misc: fastrpc: fix memory corruption on open
misc: fastrpc: fix memory corruption on probe
soundwire: qcom: fix device status array range
bus: mhi: host: Fix up null pointer access in mhi_irq_handler
soundwire: qcom: remove duplicate reset control get
iio: light: cm32181: make cm32181_pm_ops static
iio: ad7292: Prevent regulator double disable
dt-bindings: iio: gyroscope: bosch,bmg160: correct number of pins
iio: adc: mcp3911: use correct formula for AD conversion
iio: adc: mcp3911: correct "microchip,device-addr" property
Revert "binder_alloc: Add missing mmap_lock calls when using the VMA"
binder_alloc: Add missing mmap_lock calls when using the VMA
binder: fix UAF of ref->proc caused by race condition
iio: light: cm3605: Fix an error handling path in cm3605_probe()
iio: adc: mcp3911: make use of the sign bit
peci: cpu: Fix use-after-free in adev_release()
peci: aspeed: fix error check return value of platform_get_irq()
Linus Torvalds [Fri, 2 Sep 2022 17:43:46 +0000 (10:43 -0700)]
Merge tag 'usb-6.0-rc4' of git://git./linux/kernel/git/gregkh/usb
Pull USB/Thunderbolt driver fixes from Greg KH:
"Here are a lot of small USB and Thunderbolt driver fixes for 6.0-rc4
for reported problems. Included in here are:
- new usb-serial driver ids
- dwc3 driver bugfixes for reported problems with 6.0-rc1
- new device quirks, and reverts of some quirks that were incorrect
- gadget driver bugfixes for reported problems
- USB host controller bugfixes (xhci and others)
- other small USB fixes, details in the shortlog
- small thunderbolt driver fixes
All of these have been in linux-next with no reported issues"
* tag 'usb-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (51 commits)
Revert "usb: gadget: udc-xilinx: replace memcpy with memcpy_toio"
usb: storage: Add ASUS <0x0b05:0x1932> to IGNORE_UAS
USB: serial: ch341: fix disabled rx timer on older devices
USB: serial: ch341: fix lost character on LCR updates
USB: serial: cp210x: add Decagon UCA device id
Revert "usb: add quirks for Lenovo OneLink+ Dock"
usb: cdns3: fix issue with rearming ISO OUT endpoint
usb: cdns3: fix incorrect handling TRB_SMM flag for ISOC transfer
usb: gadget: mass_storage: Fix cdrom data transfers on MAC-OS
media: mceusb: Use new usb_control_msg_*() routines
USB: core: Prevent nested device-reset calls
USB: gadget: Fix obscure lockdep violation for udc_mutex
usb: dwc2: fix wrong order of phy_power_on and phy_init
usb: gadget: udc-xilinx: replace memcpy with memcpy_toio
usb: typec: Remove retimers properly
usb: dwc3: disable USB core PHY management
usb: add quirks for Lenovo OneLink+ Dock
USB: serial: option: add support for Cinterion MV32-WA/WB RmNet mode
USB: serial: ftdi_sio: add Omron CS1W-CIF31 device id
USB: serial: option: add Quectel EM060K modem
...
Linus Torvalds [Fri, 2 Sep 2022 17:35:51 +0000 (10:35 -0700)]
Merge tag 'platform-drivers-x86-v6.0-2' of git://git./linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"Various small fixes and hardware-id additions"
* tag 'platform-drivers-x86-v6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: p2sb: Fix UAF when caller uses resource name
platform/x86: asus-wmi: Increase FAN_CURVE_BUF_LEN to 32
platform/mellanox: Remove redundant 'NULL' check
platform/mellanox: Remove unnecessary code
platform/mellanox: mlxreg-lc: Fix locking issue
platform/mellanox: mlxreg-lc: Fix coverity warning
platform/x86: acer-wmi: Acer Aspire One AOD270/Packard Bell Dot keymap fixes
platform/x86: thinkpad_acpi: Explicitly set to balanced mode on startup
platform/x86: asus-wmi: Fix the name of the mic-mute LED classdev
platform/surface: aggregator_registry: Add HID devices for sensors and UCSI client to SP8
platform/surface: aggregator_registry: Rename HID device nodes based on new findings
platform/surface: aggregator_registry: Rename HID device nodes based on their function
platform/surface: aggregator_registry: Add support for Surface Laptop Go 2
platform/x86: x86-android-tablets: Fix broken touchscreen on Chuwi Hi8 with Windows BIOS
platform/x86: pmc_atom: Fix SLP_TYPx bitfield mask
Linus Torvalds [Fri, 2 Sep 2022 17:32:30 +0000 (10:32 -0700)]
Merge tag 'arm64-fixes' of git://git./linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"It's a lot smaller than last week, with the star of the show being a
couple of fixes to head.S addressing a boot regression introduced by
the recent overhaul of that code in non-default configurations (i.e.
KASLR disabled).
The first of those two resolves the issue reported (and bisected) by
Mikulus in the wait_on_bit() thread.
Summary:
- Fix two boot issues caused by the recent head.S rework when !KASLR
- Fix calculation of crashkernel memory reservation
- Fix bogus error check in PMU IRQ probing code"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mm: Reserve enough pages for the initial ID map
perf/arm_pmu_platform: fix tests for platform_get_irq() failure
arm64: head: Ignore bogus KASLR displacement on non-relocatable kernels
arm64/kexec: Fix missing extra range for crashkres_low.
Ming Lei [Fri, 2 Sep 2022 15:23:02 +0000 (23:23 +0800)]
Documentation: document ublk
Add documentation for ublk subsystem. It was supposed to be documented when
merging the driver, but missing at that time.
Cc: Bagas Sanjaya <bagasdotme@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Richard W.M. Jones <rjones@redhat.com>
Cc: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: ZiyangZhang <ZiyangZhang@linux.alibaba.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
[axboe: correct MAINTAINERS addition]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Mickaël Salaün [Wed, 31 Aug 2022 20:38:40 +0000 (22:38 +0200)]
landlock: Fix file reparenting without explicit LANDLOCK_ACCESS_FS_REFER
This change fixes a mis-handling of the LANDLOCK_ACCESS_FS_REFER right
when multiple rulesets/domains are stacked. The expected behaviour was
that an additional ruleset can only restrict the set of permitted
operations, but in this particular case, it was potentially possible to
re-gain the LANDLOCK_ACCESS_FS_REFER right.
With the introduction of LANDLOCK_ACCESS_FS_REFER, we added the first
globally denied-by-default access right. Indeed, this lifted an initial
Landlock limitation to rename and link files, which was initially always
denied when the source or the destination were different directories.
This led to an inconsistent backward compatibility behavior which was
only taken into account if no domain layer were using the new
LANDLOCK_ACCESS_FS_REFER right. However, when restricting a thread with
a new ruleset handling LANDLOCK_ACCESS_FS_REFER, all inherited parent
rulesets/layers not explicitly handling LANDLOCK_ACCESS_FS_REFER would
behave as if they were handling this access right and with all their
rules allowing it. This means that renaming and linking files could
became allowed by these parent layers, but all the other required
accesses must also be granted: all layers must allow file removal or
creation, and renaming and linking operations cannot lead to privilege
escalation according to the Landlock policy. See detailed explanation
in commit
b91c3e4ea756 ("landlock: Add support for file reparenting with
LANDLOCK_ACCESS_FS_REFER").
To say it another way, this bug may lift the renaming and linking
limitations of the initial Landlock version, and a same ruleset can
enforce different restrictions depending on previous or next enforced
ruleset (i.e. inconsistent behavior). The LANDLOCK_ACCESS_FS_REFER right
cannot give access to data not already allowed, but this doesn't follow
the contract of the first Landlock ABI. This fix puts back the
limitation for sandboxes that didn't opt-in for this additional right.
For instance, if a first ruleset allows LANDLOCK_ACCESS_FS_MAKE_REG on
/dst and LANDLOCK_ACCESS_FS_REMOVE_FILE on /src, renaming /src/file to
/dst/file is denied. However, without this fix, stacking a new ruleset
which allows LANDLOCK_ACCESS_FS_REFER on / would now permit the
sandboxed thread to rename /src/file to /dst/file .
This change fixes the (absolute) rule access rights, which now always
forbid LANDLOCK_ACCESS_FS_REFER except when it is explicitly allowed
when creating a rule.
Making all domain handle LANDLOCK_ACCESS_FS_REFER was an initial
approach but there is two downsides:
* it makes the code more complex because we still want to check that a
rule allowing LANDLOCK_ACCESS_FS_REFER is legitimate according to the
ruleset's handled access rights (i.e. ABI v1 != ABI v2);
* it would not allow to identify if the user created a ruleset
explicitly handling LANDLOCK_ACCESS_FS_REFER or not, which will be an
issue to audit Landlock.
Instead, this change adds an ACCESS_INITIALLY_DENIED list of
denied-by-default rights, which (only) contains
LANDLOCK_ACCESS_FS_REFER. All domains are treated as if they are also
handling this list, but without modifying their fs_access_masks field.
A side effect is that the errno code returned by rename(2) or link(2)
*may* be changed from EXDEV to EACCES according to the enforced
restrictions. Indeed, we now have the mechanic to identify if an access
is denied because of a required right (e.g. LANDLOCK_ACCESS_FS_MAKE_REG,
LANDLOCK_ACCESS_FS_REMOVE_FILE) or if it is denied because of missing
LANDLOCK_ACCESS_FS_REFER rights. This may result in different errno
codes than for the initial Landlock version, but this approach is more
consistent and better for rename/link compatibility reasons, and it
wasn't possible before (hence no backport to ABI v1). The
layout1.rename_file test reflects this change.
Add 4 layout1.refer_denied_by_default* test suites to check that the
behavior of a ruleset not handling LANDLOCK_ACCESS_FS_REFER (ABI v1) is
unchanged even if another layer handles LANDLOCK_ACCESS_FS_REFER (i.e.
ABI v1 precedence). Make sure rule's absolute access rights are correct
by testing with and without a matching path. Add test_rename() and
test_exchange() helpers.
Extend layout1.inval tests to check that a denied-by-default access
right is not necessarily part of a domain's handled access rights.
Test coverage for security/landlock is 95.3% of 599 lines according to
gcc/gcov-11.
Fixes:
b91c3e4ea756 ("landlock: Add support for file reparenting with LANDLOCK_ACCESS_FS_REFER")
Reviewed-by: Paul Moore <paul@paul-moore.com>
Reviewed-by: Günther Noack <gnoack3000@gmail.com>
Link: https://lore.kernel.org/r/20220831203840.1370732-1-mic@digikod.net
Cc: stable@vger.kernel.org
[mic: Constify and slightly simplify test helpers]
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Kumaravel Thiagarajan [Wed, 24 Aug 2022 20:00:47 +0000 (01:30 +0530)]
misc: microchip: pci1xxxx: Add power management functions - suspend & resume handlers.
Power event handlers suspend and resume are invoked by the operating
system to notify the driver about the power events. Wakeup is enabled
before entering suspend and disabled after resuming.
Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Link: https://lore.kernel.org/r/20220824200047.150308-6-kumaravel.thiagarajan@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Kumaravel Thiagarajan [Wed, 24 Aug 2022 20:00:46 +0000 (01:30 +0530)]
misc: microchip: pci1xxxx: Add gpio irq handler and irq helper functions irq_ack, irq_mask, irq_unmask and irq_set_type of irq_chip.
The helper functions irq_set_type, irq_mask, irq_unmask and
irq_ack configure the interrupt type, mask, unmask and
acknowledge the interrupts.
Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Link: https://lore.kernel.org/r/20220824200047.150308-5-kumaravel.thiagarajan@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Kumaravel Thiagarajan [Wed, 24 Aug 2022 20:00:45 +0000 (01:30 +0530)]
misc: microchip: pci1xxxx: Add functions to configure gpio pins as input / output, get status, handle I/O for gpio pins.
direction_input and direction_output functions configures a gpio pin as
input and output respectively. get_direction function returns if a gpio
pin is output or input. get function returns the value of a gpio pin
whereas set function assigns output value for a gpio pin.
Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Link: https://lore.kernel.org/r/20220824200047.150308-4-kumaravel.thiagarajan@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Kumaravel Thiagarajan [Wed, 24 Aug 2022 20:00:44 +0000 (01:30 +0530)]
misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.
PIO function's auxiliary bus driver enumerates separate child devices for
GPIO controller and OTP/EEPROM interface. This gpio driver implemented
based on the gpio framework is loaded for the gpio auxiliary device.
Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Link: https://lore.kernel.org/r/20220824200047.150308-3-kumaravel.thiagarajan@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Kumaravel Thiagarajan [Wed, 24 Aug 2022 20:00:43 +0000 (01:30 +0530)]
misc: microchip: pci1xxxx: load auxiliary bus driver for the PIO function in the multi-function endpoint of pci1xxxx device.
pci1xxxx is a PCIe switch with a multi-function endpoint on one of its
downstream ports. PIO function is one of the functions in the
multi-function endpoint. PIO function combines a GPIO controller and also
an interface to program pci1xxxx's OTP & EEPROM. This auxiliary bus driver
is loaded for the PIO function and separate child devices are enumerated
for GPIO controller and OTP/EEPROM interface.
Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Link: https://lore.kernel.org/r/20220824200047.150308-2-kumaravel.thiagarajan@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dan Carpenter [Thu, 1 Sep 2022 15:35:20 +0000 (18:35 +0300)]
xen/grants: prevent integer overflow in gnttab_dma_alloc_pages()
The change from kcalloc() to kvmalloc() means that arg->nr_pages
might now be large enough that the "args->nr_pages << PAGE_SHIFT" can
result in an integer overflow.
Fixes:
b3f7931f5c61 ("xen/gntdev: switch from kcalloc() to kvcalloc()")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/YxDROJqu/RPvR0bi@kili
Signed-off-by: Juergen Gross <jgross@suse.com>
SeongJae Park [Wed, 31 Aug 2022 16:58:24 +0000 (16:58 +0000)]
xen-blkfront: Cache feature_persistent value before advertisement
Xen blkfront advertises its support of the persistent grants feature
when it first setting up and when resuming in 'talk_to_blkback()'.
Then, blkback reads the advertised value when it connects with blkfront
and decides if it will use the persistent grants feature or not, and
advertises its decision to blkfront. Blkfront reads the blkback's
decision and it also makes the decision for the use of the feature.
Commit
402c43ea6b34 ("xen-blkfront: Apply 'feature_persistent' parameter
when connect"), however, made the blkfront's read of the parameter for
disabling the advertisement, namely 'feature_persistent', to be done
when it negotiate, not when advertise. Therefore blkfront advertises
without reading the parameter. As the field for caching the parameter
value is zero-initialized, it always advertises as the feature is
disabled, so that the persistent grants feature becomes always disabled.
This commit fixes the issue by making the blkfront does parmeter caching
just before the advertisement.
Fixes:
402c43ea6b34 ("xen-blkfront: Apply 'feature_persistent' parameter when connect")
Cc: <stable@vger.kernel.org> # 5.10.x
Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: SeongJae Park <sj@kernel.org>
Tested-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20220831165824.94815-4-sj@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
SeongJae Park [Wed, 31 Aug 2022 16:58:23 +0000 (16:58 +0000)]
xen-blkfront: Advertise feature-persistent as user requested
The advertisement of the persistent grants feature (writing
'feature-persistent' to xenbus) should mean not the decision for using
the feature but only the availability of the feature. However, commit
74a852479c68 ("xen-blkfront: add a parameter for disabling of persistent
grants") made a field of blkfront, which was a place for saving only the
negotiation result, to be used for yet another purpose: caching of the
'feature_persistent' parameter value. As a result, the advertisement,
which should follow only the parameter value, becomes inconsistent.
This commit fixes the misuse of the semantic by making blkfront saves
the parameter value in a separate place and advertises the support based
on only the saved value.
Fixes:
74a852479c68 ("xen-blkfront: add a parameter for disabling of persistent grants")
Cc: <stable@vger.kernel.org> # 5.10.x
Suggested-by: Juergen Gross <jgross@suse.com>
Signed-off-by: SeongJae Park <sj@kernel.org>
Tested-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20220831165824.94815-3-sj@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
SeongJae Park [Wed, 31 Aug 2022 16:58:22 +0000 (16:58 +0000)]
xen-blkback: Advertise feature-persistent as user requested
The advertisement of the persistent grants feature (writing
'feature-persistent' to xenbus) should mean not the decision for using
the feature but only the availability of the feature. However, commit
aac8a70db24b ("xen-blkback: add a parameter for disabling of persistent
grants") made a field of blkback, which was a place for saving only the
negotiation result, to be used for yet another purpose: caching of the
'feature_persistent' parameter value. As a result, the advertisement,
which should follow only the parameter value, becomes inconsistent.
This commit fixes the misuse of the semantic by making blkback saves the
parameter value in a separate place and advertises the support based on
only the saved value.
Fixes:
aac8a70db24b ("xen-blkback: add a parameter for disabling of persistent grants")
Cc: <stable@vger.kernel.org> # 5.10.x
Suggested-by: Juergen Gross <jgross@suse.com>
Signed-off-by: SeongJae Park <sj@kernel.org>
Tested-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20220831165824.94815-2-sj@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
Nathan Chancellor [Tue, 30 Aug 2022 15:12:56 +0000 (08:12 -0700)]
powerpc/papr_scm: Ensure rc is always initialized in papr_scm_pmu_register()
Clang warns:
arch/powerpc/platforms/pseries/papr_scm.c:492:6: warning: variable 'rc' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
if (!p->stat_buffer_len)
^~~~~~~~~~~~~~~~~~~
arch/powerpc/platforms/pseries/papr_scm.c:523:64: note: uninitialized use occurs here
dev_info(&p->pdev->dev, "nvdimm pmu didn't register rc=%d\n", rc);
^~
include/linux/dev_printk.h:150:67: note: expanded from macro 'dev_info'
dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
_p_func(dev, fmt, ##__VA_ARGS__); \
^~~~~~~~~~~
arch/powerpc/platforms/pseries/papr_scm.c:492:2: note: remove the 'if' if its condition is always false
if (!p->stat_buffer_len)
^~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/platforms/pseries/papr_scm.c:484:8: note: initialize the variable 'rc' to silence this warning
int rc, nodeid;
^
= 0
1 warning generated.
The call to papr_scm_pmu_check_events() was eliminated but a return code
was not added to the if statement. Add the same return code from
papr_scm_pmu_check_events() for this condition so there is no more
warning.
Fixes:
9b1ac04698a4 ("powerpc/papr_scm: Fix nvdimm event mappings")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://github.com/ClangBuiltLinux/linux/issues/1701
Link: https://lore.kernel.org/r/20220830151256.1473169-1-nathan@kernel.org
Michael Ellerman [Wed, 31 Aug 2022 13:10:52 +0000 (23:10 +1000)]
Revert "powerpc/irq: Don't open code irq_soft_mask helpers"
This reverts commit
ef5b570d3700fbb8628a58da0487486ceeb713cd.
Zhouyi reported that commit is causing crashes when running rcutorture
with KASAN enabled:
BUG: using smp_processor_id() in preemptible [
00000000] code: rcu_torture_rea/100
caller is rcu_preempt_deferred_qs_irqrestore+0x74/0xed0
CPU: 4 PID: 100 Comm: rcu_torture_rea Tainted: G W 5.19.0-rc5-next-
20220708-dirty #253
Call Trace:
dump_stack_lvl+0xbc/0x108 (unreliable)
check_preemption_disabled+0x154/0x160
rcu_preempt_deferred_qs_irqrestore+0x74/0xed0
__rcu_read_unlock+0x290/0x3b0
rcu_torture_read_unlock+0x30/0xb0
rcutorture_one_extend+0x198/0x810
rcu_torture_one_read+0x58c/0xc90
rcu_torture_reader+0x12c/0x360
kthread+0x1e8/0x220
ret_from_kernel_thread+0x5c/0x64
KASAN will generate instrumentation instructions around the
WRITE_ONCE(local_paca->irq_soft_mask, mask):
0xc000000000295cb0 <+0>: addis r2,r12,774
0xc000000000295cb4 <+4>: addi r2,r2,16464
0xc000000000295cb8 <+8>: mflr r0
0xc000000000295cbc <+12>: bl 0xc00000000008bb4c <mcount>
0xc000000000295cc0 <+16>: mflr r0
0xc000000000295cc4 <+20>: std r31,-8(r1)
0xc000000000295cc8 <+24>: addi r3,r13,2354
0xc000000000295ccc <+28>: mr r31,r13
0xc000000000295cd0 <+32>: std r0,16(r1)
0xc000000000295cd4 <+36>: stdu r1,-48(r1)
0xc000000000295cd8 <+40>: bl 0xc000000000609b98 <__asan_store1+8>
0xc000000000295cdc <+44>: nop
0xc000000000295ce0 <+48>: li r9,1
0xc000000000295ce4 <+52>: stb r9,2354(r31)
0xc000000000295ce8 <+56>: addi r1,r1,48
0xc000000000295cec <+60>: ld r0,16(r1)
0xc000000000295cf0 <+64>: ld r31,-8(r1)
0xc000000000295cf4 <+68>: mtlr r0
If there is a context switch before "stb r9,2354(r31)", r31 may
not equal to r13, in such case, irq soft mask will not work.
The usual solution of marking the code ineligible for instrumentation
forces the code out-of-line, which we would prefer to avoid. Christophe
proposed a partial revert, but Nick raised some concerns with that. So
for now do a full revert.
Reported-by: Zhouyi Zhou <zhouzhouyi@gmail.com>
[mpe: Construct change log based on Zhouyi's original report]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220831131052.42250-1-mpe@ellerman.id.au
Greg Kroah-Hartman [Fri, 2 Sep 2022 07:10:08 +0000 (09:10 +0200)]
Revert "usb: gadget: udc-xilinx: replace memcpy with memcpy_toio"
This reverts commit
8cb339f1c1f04baede9d54c1e40ac96247a6393b as it
throws up a bunch of sparse warnings as reported by the kernel test
robot.
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/202209020044.CX2PfZzM-lkp@intel.com
Fixes:
8cb339f1c1f0 ("usb: gadget: udc-xilinx: replace memcpy with memcpy_toio")
Cc: stable@vger.kernel.org
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Piyush Mehta <piyush.mehta@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Greg Kroah-Hartman [Fri, 2 Sep 2022 06:59:45 +0000 (08:59 +0200)]
Merge tag 'soundwire-6.0-fixes' of git://git./linux/kernel/git/vkoul/soundwire into char-misc-linus
Vinod writes:
"soundwire fixes for v6.0
This contains two fixes to qcom sdw driver which resolve duplicate reset
control get and second one fixes device array indices."
* tag 'soundwire-6.0-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: qcom: fix device status array range
soundwire: qcom: remove duplicate reset control get
Dave Airlie [Fri, 2 Sep 2022 01:26:29 +0000 (11:26 +1000)]
Merge tag 'drm-intel-fixes-2022-09-01' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fix for a null pointer dereference (Lukasz)
- HDMI related quirk for ECS Liva Q2 with GLK graphics (Diego)
- Skip wm/ddb readout for disabled pipes (Ville)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YxC3GmSOpDiZTdIJ@intel.com
Paolo Bonzini [Thu, 1 Sep 2022 23:21:27 +0000 (19:21 -0400)]
Merge tag 'kvm-s390-master-6.0-1' of git://git./linux/kernel/git/kvms390/linux into HEAD
PCI interpretation compile fixes
Paolo Bonzini [Thu, 1 Sep 2022 23:21:09 +0000 (19:21 -0400)]
Merge tag 'kvm-riscv-fixes-6.0-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv fixes for 6.0, take #1
- Fix unused variable warnings in vcpu_timer.c
- Move extern sbi_ext declarations to a header
Paolo Bonzini [Thu, 11 Aug 2022 16:41:25 +0000 (12:41 -0400)]
KVM: x86: check validity of argument to KVM_SET_MP_STATE
An invalid argument to KVM_SET_MP_STATE has no effect other than making the
vCPU fail to run at the next KVM_RUN. Since it is extremely unlikely that
any userspace is relying on it, fail with -EINVAL just like for other
architectures.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Like Xu [Wed, 31 Aug 2022 03:35:24 +0000 (11:35 +0800)]
perf/x86/core: Completely disable guest PEBS via guest's global_ctrl
When a guest PEBS counter is cross-mapped by a host counter, software
will remove the corresponding bit in the arr[global_ctrl].guest and
expect hardware to perform a change of state "from enable to disable"
via the msr_slot[] switch during the vmx transaction.
The real world is that if user adjust the counter overflow value small
enough, it still opens a tiny race window for the previously PEBS-enabled
counter to write cross-mapped PEBS records into the guest's PEBS buffer,
when arr[global_ctrl].guest has been prioritised (switch_msr_special stuff)
to switch into the enabled state, while the arr[pebs_enable].guest has not.
Close this window by clearing invalid bits in the arr[global_ctrl].guest.
Cc: linux-perf-users@vger.kernel.org
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sean Christopherson <seanjc@google.com>
Fixes:
854250329c02 ("KVM: x86/pmu: Disable guest PEBS temporarily in two rare situations")
Signed-off-by: Like Xu <likexu@tencent.com>
Message-Id: <
20220831033524.58561-1-likexu@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Miaohe Lin [Thu, 1 Sep 2022 12:23:00 +0000 (20:23 +0800)]
KVM: x86: fix memoryleak in kvm_arch_vcpu_create()
When allocating memory for mci_ctl2_banks fails, KVM doesn't release
mce_banks leading to memoryleak. Fix this issue by calling kfree()
for it when kcalloc() fails.
Fixes:
281b52780b57 ("KVM: x86: Add emulation for MSR_IA32_MCx_CTL2 MSRs.")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Message-Id: <
20220901122300.22298-1-linmiaohe@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Jim Mattson [Tue, 30 Aug 2022 17:49:47 +0000 (10:49 -0700)]
KVM: x86: Mask off unsupported and unknown bits of IA32_ARCH_CAPABILITIES
KVM should not claim to virtualize unknown IA32_ARCH_CAPABILITIES
bits. When kvm_get_arch_capabilities() was originally written, there
were only a few bits defined in this MSR, and KVM could virtualize all
of them. However, over the years, several bits have been defined that
KVM cannot just blindly pass through to the guest without additional
work (such as virtualizing an MSR promised by the
IA32_ARCH_CAPABILITES feature bit).
Define a mask of supported IA32_ARCH_CAPABILITIES bits, and mask off
any other bits that are set in the hardware MSR.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Fixes:
5b76a3cff011 ("KVM: VMX: Tell the nested hypervisor to skip L1D flush on vmentry")
Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Vipin Sharma <vipinsh@google.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Message-Id: <
20220830174947.2182144-1-jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Dave Airlie [Thu, 1 Sep 2022 19:58:52 +0000 (05:58 +1000)]
Merge tag 'drm-msm-fixes-2022-08-27' of https://gitlab.freedesktop.org/drm/msm into drm-fixes
Fixes for v6.0
- Fix for inconsistent indenting in function msm_dsi_dphy_timing_calc_v3.
This fixes a smatch warning reported by kbot
- Fix to make eDP the first connector in the connected list. This was
mainly done to address a screen corruption issue we were seeing on
sc7280 boards which have eDP as the primary display. The corruption
itself is from usermode but we decided to fix it this way because
things work correct with the primary display as the first one for
usermode
- Fix to populate intf_cfg correctly before calling reset_intf_cfg().
Without this, the display pipeline is not torn down correctly for
writeback
- Specify the correct number of DSI regulators for SDM660. It should
have been 1 but 2 was mentioned
- Specify the correct number of DSI regulators for MSM8996. It should
have been 3 but 2 was mentioned
- Fix for removing DP_RECOVERED_CLOCK_OUT_EN bit for tps4 link training
for DP. This was causing link training failures and hence no display
for a specific DP to HDMI cable on chromebooks
- Fix probe-deferral crash in gpu devfreq
- Fix gpu debugfs deadlock
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGtuY=jd44itwTkLXVqhnoKgY0BswPTrxDTxCiPG3WbmLA@mail.gmail.com
Dave Airlie [Thu, 1 Sep 2022 19:56:25 +0000 (05:56 +1000)]
Merge tag 'amd-drm-fixes-6.0-2022-08-31' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.0-2022-08-31:
amdgpu:
- FRU error message fix
- MES 11 updates
- DCN 3.2.x fixes
- DCN 3.1.4 fixes
- Fix possible use after free in CS IOCTL
- SMU 13.0.x fixes
- Fix iolink reporting on devices with direct connections to CPU
- GFX10 tap delay firmware fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220831212312.5921-1-alexander.deucher@amd.com
Dave Airlie [Thu, 1 Sep 2022 19:34:33 +0000 (05:34 +1000)]
Merge tag 'drm-misc-fixes-2022-08-31' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Short summary of fixes pull:
* dma-buf/dma-resv: Fence-handling fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/Yw+pZnEbPxkJ1nHa@linux-uq9g.fritz.box
Lukas Bulwahn [Thu, 25 Aug 2022 15:20:29 +0000 (17:20 +0200)]
MAINTAINERS: add spdxexclude to LICENSES and SPDX stuff
Commit
0509b270a358 ("scripts/spdxcheck: Put excluded files and directories
into a separate file") moved excluded files to the new file
scripts/spdxexclude, but did not adjust the MAINTAINERS section. The file
scripts/spdxexclude clearly belongs to LICENSES and SPDX stuff.
Add a corresponding file entry.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20220825152029.12660-1-lukas.bulwahn@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Vishnu Dasa [Mon, 25 Jul 2022 16:32:46 +0000 (09:32 -0700)]
VMCI: Update maintainers for VMCI
Remove Rajesh as a maintainer for the VMCI driver.
Acked-by: Bryan Tan <bryantan@vmware.com>
Acked-by: Rajesh Jalisatgi <rajeshjalisatgi@gmail.com>
Signed-off-by: Vishnu Dasa <vdasa@vmware.com>
Link: https://lore.kernel.org/r/20220725163246.38486-1-vdasa@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linus Torvalds [Thu, 1 Sep 2022 16:20:42 +0000 (09:20 -0700)]
Merge tag 'net-6.0-rc4' of git://git./linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bluetooth, bpf and wireless.
Current release - regressions:
- bpf:
- fix wrong last sg check in sk_msg_recvmsg()
- fix kernel BUG in purge_effective_progs()
- mac80211:
- fix possible leak in ieee80211_tx_control_port()
- potential NULL dereference in ieee80211_tx_control_port()
Current release - new code bugs:
- nfp: fix the access to management firmware hanging
Previous releases - regressions:
- ip: fix triggering of 'icmp redirect'
- sched: tbf: don't call qdisc_put() while holding tree lock
- bpf: fix corrupted packets for XDP_SHARED_UMEM
- bluetooth: hci_sync: fix suspend performance regression
- micrel: fix probe failure
Previous releases - always broken:
- tcp: make global challenge ack rate limitation per net-ns and
default disabled
- tg3: fix potential hang-up on system reboot
- mac802154: fix reception for no-daddr packets
Misc:
- r8152: add PID for the lenovo onelink+ dock"
* tag 'net-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (56 commits)
net/smc: Remove redundant refcount increase
Revert "sch_cake: Return __NET_XMIT_STOLEN when consuming enqueued skb"
tcp: make global challenge ack rate limitation per net-ns and default disabled
tcp: annotate data-race around challenge_timestamp
net: dsa: hellcreek: Print warning only once
ip: fix triggering of 'icmp redirect'
sch_cake: Return __NET_XMIT_STOLEN when consuming enqueued skb
selftests: net: sort .gitignore file
Documentation: networking: correct possessive "its"
kcm: fix strp_init() order and cleanup
mlxbf_gige: compute MDIO period based on i1clk
ethernet: rocker: fix sleep in atomic context bug in neigh_timer_handler
net: lan966x: improve error handle in lan966x_fdma_rx_get_frame()
nfp: fix the access to management firmware hanging
net: phy: micrel: Make the GPIO to be non-exclusive
net: virtio_net: fix notification coalescing comments
net/sched: fix netdevice reference leaks in attach_default_qdiscs()
net: sched: tbf: don't call qdisc_put() while holding tree lock
net: Use u64_stats_fetch_begin_irq() for stats fetch.
net: dsa: xrs700x: Use irqsave variant for u64 stats update
...
Linus Torvalds [Thu, 1 Sep 2022 16:14:56 +0000 (09:14 -0700)]
Merge tag 'slab-for-6.0-rc4' of git://git./linux/kernel/git/vbabka/slab
Pull slab fix from Vlastimil Babka:
- A fix from Waiman Long to avoid a theoretical deadlock reported by
lockdep.
* tag 'slab-for-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
mm/slab_common: Deleting kobject in kmem_cache_destroy() without holding slab_mutex/cpu_hotplug_lock
Linus Torvalds [Thu, 1 Sep 2022 16:05:25 +0000 (09:05 -0700)]
Merge tag 'sound-6.0-rc4' of git://git./linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just handful changes at this time. The only major change is the
regression fix about the x86 WC-page buffer allocation.
The rest are trivial data-race fixes for ALSA sequencer core, the
possible out-of-bounds access fixes in the new ALSA control hash code,
and a few device-specific workarounds and fixes"
* tag 'sound-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: usb-audio: Add quirk for LH Labs Geek Out HD Audio 1V5
ALSA: hda/realtek: Add speaker AMP init for Samsung laptops with ALC298
ALSA: control: Re-order bounds checking in get_ctl_id_hash()
ALSA: control: Fix an out-of-bounds bug in get_ctl_id_hash()
ALSA: hda: intel-nhlt: Correct the handling of fmt_config flexible array
ALSA: seq: Fix data-race at module auto-loading
ALSA: seq: oss: Fix data-race for max_midi_devs access
ALSA: memalloc: Revive x86-specific WC page allocations again
Andy Shevchenko [Thu, 1 Sep 2022 11:34:06 +0000 (14:34 +0300)]
platform/x86: p2sb: Fix UAF when caller uses resource name
We have to copy only selected fields from the original resource.
Because a PCI device will be removed immediately after getting
its resources, we may not use any allocated data, hence we may
not copy any pointers.
Consider the following scenario:
1/ a caller of p2sb_bar() gets the resource;
2/ the resource has been copied by platform_device_add_data()
in order to create a platform device;
3/ the platform device creation will call for the device driver's
->probe() as soon as a match found;
4/ the ->probe() takes given resources (see 2/) and tries to
access one of its field, i.e. 'name', in the
__devm_ioremap_resource() to create a pretty looking output;
5/ but the 'name' is a dangling pointer because p2sb_bar()
removed a PCI device, which 'name' had been copied to
the caller's memory.
6/ UAF (Use-After-Free) as a result.
Kudos to Mika for the initial analisys of the issue.
Fixes:
9745fb07474f ("platform/x86/intel: Add Primary to Sideband (P2SB) bridge support")
Reported-by: kernel test robot <oliver.sang@intel.com>
Suggested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/linux-i2c/YvPCbnKqDiL2XEKp@xsang-OptiPlex-9020/
Link: https://lore.kernel.org/linux-i2c/YtjAswDKfiuDfWYs@xsang-OptiPlex-9020/
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220901113406.65876-1-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Luke D. Jones [Sun, 28 Aug 2022 07:46:38 +0000 (19:46 +1200)]
platform/x86: asus-wmi: Increase FAN_CURVE_BUF_LEN to 32
Fix for TUF laptops returning with an -ENOSPC on calling
asus_wmi_evaluate_method_buf() when fetching default curves. The TUF method
requires at least 32 bytes space.
This also moves and changes the pr_debug() in fan_curve_check_present() to
pr_warn() in fan_curve_get_factory_default() so that there is at least some
indication in logs of why it fails.
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20220828074638.5473-1-luke@ljones.dev
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Russ Weight [Wed, 31 Aug 2022 00:25:18 +0000 (17:25 -0700)]
firmware_loader: Fix memory leak in firmware upload
In the case of firmware-upload, an instance of struct fw_upload is
allocated in firmware_upload_register(). This data needs to be freed
in fw_dev_release(). Create a new fw_upload_free() function in
sysfs_upload.c to handle the firmware-upload specific memory frees
and incorporate the missing kfree call for the fw_upload structure.
Fixes:
97730bbb242c ("firmware_loader: Add firmware-upload support")
Cc: stable <stable@kernel.org>
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Link: https://lore.kernel.org/r/20220831002518.465274-1-russell.h.weight@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Russ Weight [Mon, 29 Aug 2022 17:45:57 +0000 (10:45 -0700)]
firmware_loader: Fix use-after-free during unregister
In the following code within firmware_upload_unregister(), the call to
device_unregister() could result in the dev_release function freeing the
fw_upload_priv structure before it is dereferenced for the call to
module_put(). This bug was found by the kernel test robot using
CONFIG_KASAN while running the firmware selftests.
device_unregister(&fw_sysfs->dev);
module_put(fw_upload_priv->module);
The problem is fixed by copying fw_upload_priv->module to a local variable
for use when calling device_unregister().
Fixes:
97730bbb242c ("firmware_loader: Add firmware-upload support")
Cc: stable <stable@kernel.org>
Reported-by: kernel test robot <oliver.sang@intel.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Link: https://lore.kernel.org/r/20220829174557.437047-1-russell.h.weight@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alexander Baehr [Sat, 6 Aug 2022 11:31:25 +0000 (13:31 +0200)]
parport: add support for Netmos device 9900
The Netmos parallel port 9901 was already supported but the device 9900 was
not. This patch adds the required settings for it and was successfully
tested with the Netmos device 9900.
Signed-off-by: Alexander Baehr <abaehr@osadl.org>
Link: https://lore.kernel.org/r/20220806113334.264598686@osadl.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dan Carpenter [Wed, 10 Aug 2022 09:18:08 +0000 (12:18 +0300)]
get_maintainer: Add Alan to .get_maintainer.ignore
Alan asked to be added to the .get_maintainer.ignore list.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YvN30KhO9aD5Sza9@kili
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pavel Begunkov [Thu, 1 Sep 2022 10:54:05 +0000 (11:54 +0100)]
selftests/net: return back io_uring zc send tests
Enable io_uring zerocopy send tests back and fix them up to follow the
new inteface.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/c8e5018c516093bdad0b6e19f2f9847dea17e4d2.1662027856.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Pavel Begunkov [Thu, 1 Sep 2022 10:54:04 +0000 (11:54 +0100)]
io_uring/net: simplify zerocopy send user API
Following user feedback, this patch simplifies zerocopy send API. One of
the main complaints is that the current API is difficult with the
userspace managing notification slots, and then send retries with error
handling make it even worse.
Instead of keeping notification slots change it to the per-request
notifications model, which posts both completion and notification CQEs
for each request when any data has been sent, and only one CQE if it
fails. All notification CQEs will have IORING_CQE_F_NOTIF set and
IORING_CQE_F_MORE in completion CQEs indicates whether to wait a
notification or not.
IOSQE_CQE_SKIP_SUCCESS is disallowed with zerocopy sends for now.
This is less flexible, but greatly simplifies the user API and also the
kernel implementation. We reuse notif helpers in this patch, but in the
future there won't be need for keeping two requests.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/95287640ab98fc9417370afb16e310677c63e6ce.1662027856.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Pavel Begunkov [Thu, 1 Sep 2022 10:54:03 +0000 (11:54 +0100)]
io_uring/notif: remove notif registration
We're going to remove the userspace exposed zerocopy notification API,
remove notification registration.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/6ff00b97be99869c386958a990593c9c31cf105b.1662027856.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Pavel Begunkov [Thu, 1 Sep 2022 10:54:02 +0000 (11:54 +0100)]
Revert "io_uring: rename IORING_OP_FILES_UPDATE"
This reverts commit
4379d5f15b3fd4224c37841029178aa8082a242e.
We removed notification flushing, also cleanup uapi preparation changes
to not pollute it.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/89edc3905350f91e1b6e26d9dbf42ee44fd451a2.1662027856.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Pavel Begunkov [Thu, 1 Sep 2022 10:54:01 +0000 (11:54 +0100)]
Revert "io_uring: add zc notification flush requests"
This reverts commit
492dddb4f6e3a5839c27d41ff1fecdbe6c3ab851.
Soon we won't have the very notion of notification flushing, so remove
notification flushing requests.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/8850334ca56e65b413cb34fd158db81d7b2865a3.1662027856.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Pavel Begunkov [Thu, 1 Sep 2022 10:54:00 +0000 (11:54 +0100)]
selftests/net: temporarily disable io_uring zc test
We're going to change API, to avoid build problems with a couple of
following commits, disable io_uring testing.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/12b7507223df04fbd12aa05fc0cb544b51d7ed79.1662027856.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Peter Colberg [Wed, 31 Aug 2022 20:48:51 +0000 (16:48 -0400)]
uio: dfl: add IOPLL user-clock feature id
Add a Device Feature List (DFL) feature id [1] for the configurable
IOPLL user clock source, which can be used to configure the clock
speeds that are used for RTL logic that is programmed into the
Partial Reconfiguration (PR) region of an FPGA.
The IOPLL user-space driver [2] contains frequency tables [3]
with the specific user clock frequencies for an implementation.
For each desired frequency, the table values are produced by calling
the quartus tool, the same tool that generates the IOPLL RTL logic.
The quartus tool allows the RTL designer to select different options
which can affect the table values. The table-driven, user-space
driver allows for supporting future, modified implementations and
provides users the ability to modify the IOPLL implementation.
[1] https://github.com/OPAE/dfl-feature-id
[2] https://github.com/OPAE/opae-sdk/blob/
a494f54a9f0356d0425edbff228f0254a4c70303/libraries/plugins/xfpga/usrclk/fpga_user_clk.c
[3] https://github.com/OPAE/opae-sdk/blob/
a494f54a9f0356d0425edbff228f0254a4c70303/libraries/plugins/xfpga/usrclk/fpga_user_clk_freq.h
Acked-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Peter Colberg <peter.colberg@intel.com>
Link: https://lore.kernel.org/r/20220831204851.4683-1-peter.colberg@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Samuel Thibault [Mon, 29 Aug 2022 20:36:25 +0000 (22:36 +0200)]
speakup_soft: Add direct module parameter
For non-english speech synthesis, it is often desirable to make
speakup_soft pass text directly. Adding a direct parameter to the
speakup_soft module allows to easily set that at boot, rather than
setting the sys variable after boot.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Link: https://lore.kernel.org/r/20220829203625.6s6x57miowu4p664@begin
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Samuel Thibault [Tue, 23 Aug 2022 22:25:03 +0000 (00:25 +0200)]
speakup: Notify synthesizers of the punctuation level change
Even if speakup does the filtering itself, it does not filter out A_PUNC
characters (because these are needed e.g. for prosody), so we have to tell
synthesizers whether they should filter them out or not.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Link: https://lore.kernel.org/r/20220823222515.412752202@ens-lyon.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>