platform/kernel/linux-rpi.git
2 years agoarm: tizen_bcm2711_defconfig: disaple framebuffer console 99/272799/3
Marek Szyprowski [Thu, 24 Mar 2022 12:27:41 +0000 (13:27 +0100)]
arm: tizen_bcm2711_defconfig: disaple framebuffer console

Framebuffer (both simplefb and drm-based) are not really needed for Tizen,
so disable them. This is a workaround for the RPi4 firmware bug, which
block HDMI0 vblank handling on full-HD displays.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: Ic576a8d25b049d366363a5d1eb7aff0a6c6b126b

2 years agoRevert "kdbus: Add magic value" 77/272277/3 accepted/tizen/unified/20220321.141048 submit/tizen/20220321.065423
Seung-Woo Kim [Mon, 14 Mar 2022 04:23:06 +0000 (13:23 +0900)]
Revert "kdbus: Add magic value"

This reverts commit 5d79c163177419f0be2b0c9d6c644df39038f4c0.

The kdbus magic value is moved to linux-tizen-modules-source tree,
so commit in kernel tree is not anymore required.

Change-Id: I2a98f750b525a659fd341f59f584f0955c5dcc82
Ref: https://git.tizen.org/cgit/platform/kernel/linux-tizen-modules-source/commit/?h=tizen&id=adf25c245d67f341520c77fda3adccd1c76a2bff
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agoscript: update build-rpi4 script to support RT kernel build 52/272352/1
Seung-Woo Kim [Tue, 15 Mar 2022 06:53:59 +0000 (15:53 +0900)]
script: update build-rpi4 script to support RT kernel build

Update build-rpi4 script to support RT kernel build.

Change-Id: I6f6e8e7579b4ae10defc4110949135f0459871ed
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agopackaging: change a file name to _localversion-rt 45/272345/1
Jaehoon Chung [Tue, 15 Mar 2022 05:11:01 +0000 (14:11 +0900)]
packaging: change a file name to _localversion-rt

Change a file name from localversion-rt to _localversion-rt.

Change-Id: I3a8663aa8f3baab6006c554aafaa13b090b72471
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
2 years agolib/iov_iter: initialize "flags" in new pipe_buffer 78/272278/2 accepted/tizen/unified/20220315.132332 submit/tizen/20220314.051607
Max Kellermann [Mon, 21 Feb 2022 10:03:13 +0000 (11:03 +0100)]
lib/iov_iter: initialize "flags" in new pipe_buffer

commit 9d2231c5d74e13b2a0546fee6737ee4446017903 upstream.

The functions copy_page_to_iter_pipe() and push_pipe() can both
allocate a new pipe_buffer, but the "flags" member initializer is
missing.

Fixes: 241699cd72a8 ("new iov_iter flavour: pipe-backed")
To: Alexander Viro <viro@zeniv.linux.org.uk>
To: linux-fsdevel@vger.kernel.org
To: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[sw0312.kim: chery-pick linux-5.10.y stable commit b19ec7afa929 to resolve CVE-2022-0847]
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Change-Id: Ie8e16157cca8dc16f9b1f222889aa8ed15c281b9

2 years agospec: Build rt packages 56/271956/3 accepted/tizen/unified/20220313.220453 submit/tizen/20220311.061629
Łukasz Stelmach [Thu, 3 Mar 2022 12:51:19 +0000 (13:51 +0100)]
spec: Build rt packages

Build a second set of packages with PREEMPT_RT enabled

Change-Id: I1c0ec964f68eda41d6c628b0476a5246045171ad
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
2 years agoAdd tizen_bcm2711_rt_defconfig for arm and arm64 60/271960/2
Łukasz Stelmach [Wed, 2 Feb 2022 20:34:57 +0000 (21:34 +0100)]
Add tizen_bcm2711_rt_defconfig for arm and arm64

Add defconfigfiles with PREEMPT_RT enabled

Change-Id: I58b17d42cfa35ba9bd24c8109cd71f33fe3cd7be
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
2 years agoprintk: suppress printing less important messages to console 67/272067/2
Łukasz Stelmach [Mon, 7 Mar 2022 23:22:54 +0000 (00:22 +0100)]
printk: suppress printing less important messages to console

Suppress printing to console messages with loglevel above the
console_loglevel via print_sync().

Change-Id: Ia8d53fd2fadb74e323d776f053c91f7832402021
Fixes: 5d6a5a2378db ("patch-5.10.100-rt62.patch")
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
2 years agopatch-5.10.100-rt62.patch 59/271959/1
Luis Claudio R. Goncalves [Fri, 18 Feb 2022 13:33:21 +0000 (14:33 +0100)]
patch-5.10.100-rt62.patch

Apply PREEMPT_RT patch 5.10.100-rt62.

Change-Id: Ifc945830d28bb3ac251e611043cc625e656eceda
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
2 years agokernel: delete repeated words in comments 58/271958/1
Randy Dunlap [Fri, 26 Feb 2021 01:21:10 +0000 (17:21 -0800)]
kernel: delete repeated words in comments

[ Upstream commit c034f48e99907d5be147ac8f0f3e630a9307c2be ]

Drop repeated words in kernel/events/.
{if, the, that, with, time}

Drop repeated words in kernel/locking/.
{it, no, the}

Drop repeated words in kernel/sched/.
{in, not}

Change-Id: I15382584b650bb8fe5732946fa27a51b4e8a9d96
Link: https://lkml.kernel.org/r/20210127023412.26292-1-rdunlap@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Will Deacon <will@kernel.org> [kernel/locking/]
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2 years agocpuset: Fix the bug that subpart_cpus updated wrongly in update_cpumask() 57/271957/1
Tianchen Ding [Tue, 18 Jan 2022 10:05:18 +0000 (18:05 +0800)]
cpuset: Fix the bug that subpart_cpus updated wrongly in update_cpumask()

commit c80d401c52a2d1baf2a5afeb06f0ffe678e56d23 upstream.

subparts_cpus should be limited as a subset of cpus_allowed, but it is
updated wrongly by using cpumask_andnot(). Use cpumask_and() instead to
fix it.

Change-Id: Ic7a654e9f101a27115a767535e5534a9f4ab4010
Fixes: ee8dde0cd2ce ("cpuset: Add new v2 cpuset.sched.partition flag")
Signed-off-by: Tianchen Ding <dtcccc@linux.alibaba.com>
Reviewed-by: Waiman Long <longman@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2 years agoARM: dts: bcm2711-rpi-4-b: Set dwc2 mode as peripheral 47/271847/1 accepted/tizen/unified/20220303.131747 submit/tizen/20220302.105130
Dongwoo Lee [Wed, 2 Mar 2022 09:13:13 +0000 (18:13 +0900)]
ARM: dts: bcm2711-rpi-4-b: Set dwc2 mode as peripheral

If dwc2 mode is set to otg, forcing dwc2 mode as peripheral is
proceeded in the early boot time, but since tizen configures the
gadget with configfs after system is prepared. It causes enumeration
problem. To prevent it, default mode will be fixed as peripheral.
Actully, since type-c usb port is only used as power-source and
peripheral port, it is more precise setting though.

Change-Id: I78bc6c683c4d095283219b1ab3066fbe7d0c6e53
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
2 years agoWORKAROUND: Revert "staging: bcm2835-codec: Format changed should trigger drain" 63/271163/1 accepted/tizen/unified/20220217.153341 submit/tizen/20220216.082647
Seung-Woo Kim [Wed, 16 Feb 2022 07:57:00 +0000 (16:57 +0900)]
WORKAROUND: Revert "staging: bcm2835-codec: Format changed should trigger drain"

This reverts commit b7e6b495eff31298ba4665f71b2414cc9a8f99c2.

When setting last buffer done on format changed event, bcm2835-codec does not
work for decoding because it recognizes there is no queued buffer even it is
not well fit for v4l2 codec spec. Maybe it is because v4l2 codec gst plugin
v4l2 usage is not up to date in tizen. Until properly fixing it, revert it
to support video h/w decoding on rpi4 in tizen.

Change-Id: Id7d77ee57e58d42eab5a080d63eb8eb1518e6f7a
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agoRevert "cgroup: Disable cgroup "memory" by default" 79/270879/1 accepted/tizen/unified/20220214.130941 submit/tizen/20220210.111655 submit/tizen/20220211.080709 submit/tizen/20220214.011104 submit/tizen/20220214.055223
Dongwoo Lee [Thu, 10 Feb 2022 10:33:23 +0000 (19:33 +0900)]
Revert "cgroup: Disable cgroup "memory" by default"

This reverts commit 2b13c54592135b6fab269517ed687fa9f80bf8e5.

The feature is used for saving memory which is consumed by memcg-related
structure (32bytes per 4K page), but now it is no longer merged on the
latest raspberry pi kernel. So instead of enabling memory cgroup by
adding command to cmdline.txt while preserving this feature, in order to
enable memory cgroup by default, this reverts commit '2b13c5459213
("cgroup: Disable cgroup "memory" by default")'

Change-Id: I1830129125fb44b36bfe64f97fddf329ea795c3c
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agokdbus: Add magic value submit/tizen/20220208.095838 submit/tizen/20220210.062658
Adrian Szyndela [Fri, 9 Sep 2016 11:35:49 +0000 (13:35 +0200)]
kdbus: Add magic value

[partially picked from commit 216823ac83c0ab89348e2ed6f66179f53626586e]

except of all the kdbus driver, add magic value of it only.

Original authors of the files are those from commit 216823ac83c0ab8934.

Cherry-picked from 4.14 commit 970070c4f68f113284f86cf7b6fbd23d6b35b511.

Change-Id: Id60af5faf794fc4ae7122976621076f1021f6c38
Signed-off-by: Adrian Szyndela <adrian.s@samsung.com>
Signed-off-by: Hyotaek Shim <hyotaek.shim@samsung.com>
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agokdbus: export needed symbols for out-of-tree support submit/tizen/20220208.090027
Mateusz Majewski [Thu, 25 Nov 2021 13:32:07 +0000 (14:32 +0100)]
kdbus: export needed symbols for out-of-tree support

We have been asked to move kdbus out-of-tree. It uses a couple
unexported symbols, so we need to (grudgingly) export them.

Change-Id: Ide04c46bbc71f8fffbdefca68959e1048af1c905
Signed-off-by: Mateusz Majewski <m.majewski2@samsung.com>
2 years agokdbus: Revert "fs: unexport poll_schedule_timeout" submit/tizen/20220208.084703
Łukasz Stelmach [Mon, 21 Dec 2020 11:40:27 +0000 (12:40 +0100)]
kdbus: Revert "fs: unexport poll_schedule_timeout"

This reverts commit 8f546ae1fc5ce8396827d4868c7eee1f1cc6947a.

Change-Id: I5429471eeb092c55a50e37c0b642d50d69daebc7
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
2 years agopackaging: Added '.gbs.conf' for partial build submit/tizen/20220208.075603
Jaechul Lee [Mon, 30 Jan 2017 23:58:22 +0000 (08:58 +0900)]
packaging: Added '.gbs.conf' for partial build

Added gbs configuration file for enhanced building.
it makes gbs build faster than before.

https://source.tizen.org/documentation/reference/git-build-system/maintenance-models-supported-gbs

Change-Id: I79d57aa5eb49d0fbfa9a3744ec2acb032a274e5e
Signed-off-by: Jaechul Lee <jcsing.lee@samsung.com>
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
2 years agomm: thp: Revert "mm, thp: preventing hugepage creation for read-write file pages" 73/270673/3 submit/tizen/20220208.074352
Marek Szyprowski [Tue, 8 Feb 2022 07:16:00 +0000 (08:16 +0100)]
mm: thp: Revert "mm, thp: preventing hugepage creation for read-write file pages"

Once the issue with modified read-only files has been fixed by the commit
"mm: thp: avoid mapping a 64kB THP when anonymous COW-ed pages exist",
this workaround is no longer needed.

This reverts commit bca41ebfc598858807071491cdb85f61773d8a77.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: I3df73b53fffe6dc49bbc844852aff68e4157582b

2 years agomm: thp: Avoid mapping a 64kB THP when anonymous COW-ed pages exist 72/270672/3
Marek Szyprowski [Tue, 30 Nov 2021 12:41:31 +0000 (13:41 +0100)]
mm: thp: Avoid mapping a 64kB THP when anonymous COW-ed pages exist

For the given read-only file there might exist copy-on-write anonymous
pages (e.g. when application has modified something in its .data
section).

Presence of such pages causes that the retract_page_tables() function in
mm/khugepaged.c skips retracting their PTE entries, even if the original
(unmodified) file pages have been replaced by the khugepaged with 64kB
THP. Those COW-ed pages remain mapped with 4kB entries.

When read-fault happens on the adjacent page, kernel checks if it can be
mapped with 64kB entry. Without a check for non-NULL vma->anon_vma the
4kB entries for the COW-ed pages will be replaced by the 64kB entries for
the unmodiffied pages of the original file.

This issue has not been observed for 2MB THPs, because PMD-fault (related
to 2MB THP size) doesn't happen if there are any pages still mapped with
4kB TLB entries.

This fixes the random crashes when CONFIG_THP_CONSERVATIVE mode is
enabled.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: Ic1d87b887f589894732e1c1066123aa88f4f582d

2 years agomm: thp: Fix condition check for THP creation 71/270671/3
Marek Szyprowski [Mon, 7 Feb 2022 07:32:16 +0000 (08:32 +0100)]
mm: thp: Fix condition check for THP creation

The 'hend' is already THP-aligned, so the proper check should be
exclusive. This fixes forcing 64kB THP pages for the last 2MB of each
process memory area.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: I0b2187f1e045bc61207122f0162fdb145214ddad

2 years agoARM: tizen_bcm2711_defconfig: Enable defconfig for touchscreen 28/270728/2
Hoegeun Kwon [Tue, 8 Feb 2022 05:52:25 +0000 (14:52 +0900)]
ARM: tizen_bcm2711_defconfig: Enable defconfig for touchscreen

Required defconfig for 7inch touchscreen operation.

Change-Id: I428d3569ec09e20a8cc44df2b41c00446710059a
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agoarm64: tizen_bcm2711_defconfig: Enable defconfig for touchscreen 38/270738/1
Hoegeun Kwon [Tue, 8 Feb 2022 05:52:19 +0000 (14:52 +0900)]
arm64: tizen_bcm2711_defconfig: Enable defconfig for touchscreen

Required defconfig for 7inch touchscreen operation.

Change-Id: I19a35976e0e7782a79275f56c14ebdba82099ec3
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agorpi4: boot: config: Add ignore_lcd flag for 7inch touchscreen 37/270737/1
Hoegeun Kwon [Tue, 8 Feb 2022 05:52:16 +0000 (14:52 +0900)]
rpi4: boot: config: Add ignore_lcd flag for 7inch touchscreen

Add flag for 7inch touchscreen operation.

Change-Id: Ie750ae0e00daf8448515ba0c4c4596168114882a
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agodrm/vc4: Fix to wait for attach call and return as bind success 36/270736/1
Hoegeun Kwon [Tue, 8 Feb 2022 05:52:13 +0000 (14:52 +0900)]
drm/vc4: Fix to wait for attach call and return as bind success

If the panel is not connected, the attach function is not called and a
bridge node is not created. In Tizen, dsi_bind operates as drm vc4
when dsi_bind is normally terminated. After waiting 5 attach calls,
dsi_bind returns to success.

Change-Id: I89b29752d63f5152415df3327cb47790d1b03979
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agoARM: dts: bcm2711-rpi-4-b: Add vc4-kms-dsi-7inch overlay 35/270735/1
Hoegeun Kwon [Tue, 8 Feb 2022 05:52:09 +0000 (14:52 +0900)]
ARM: dts: bcm2711-rpi-4-b: Add vc4-kms-dsi-7inch overlay

Add vc4-kms-dsi-7inch overlay as built-in DT.

Change-Id: I15ec96afbababd31185c287ecdf6ab52463dcec6
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agoWORKAROUND: drm/vc4: hdmi: Remove warn for pm_runtime_status 34/270734/1
Hoegeun Kwon [Tue, 8 Feb 2022 05:52:06 +0000 (14:52 +0900)]
WORKAROUND: drm/vc4: hdmi: Remove warn for pm_runtime_status

Remove check warn for pm_runtime_status_suspended. Actually resume
state, but confirmed as suspend state. Resolved from firmwares
v5.10.47.

Change-Id: I1f1505588440cccc18acdd285a356bdf8da48f96
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agorpi4: boot: Update the firmwares for kernel v5.10.46 33/270733/1
Hoegeun Kwon [Tue, 8 Feb 2022 05:52:03 +0000 (14:52 +0900)]
rpi4: boot: Update the firmwares for kernel v5.10.46

Update the firmwares with the latest version from the vendor git repo.

The commit base is "d06e0ef85c22 kernel: Bump to 5.10.46"

Since firmwares v5.10.47, there is an issue where HDMI-0 UHD does not
work. So we apply firmwaresv5.10.46.

Change-Id: Iffd23e0e866284ea68a42136ce735f5412e59f25
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agopackaging: Change the kernel version of the spec file 32/270732/1
Hoegeun Kwon [Tue, 8 Feb 2022 05:51:59 +0000 (14:51 +0900)]
packaging: Change the kernel version of the spec file

Change the kernel version to 5.10.95

Change-Id: Ia92dc3b1750e4cc693608bdc06f8bb32efcc8722
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agoARM: tizen_bcm2711_defconfig: Enable vc4_hdmi_cec 31/270731/1
Hoegeun Kwon [Tue, 8 Feb 2022 05:51:56 +0000 (14:51 +0900)]
ARM: tizen_bcm2711_defconfig: Enable vc4_hdmi_cec

CEC driver is required for hdmi operation.

Change-Id: I4f6333945affe0230c78d38e456f5daee91883f2
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agoarm64: tizen_bcm2711_defconfig: Enable vc4_hdmi_cec 30/270730/1
Hoegeun Kwon [Tue, 8 Feb 2022 05:51:53 +0000 (14:51 +0900)]
arm64: tizen_bcm2711_defconfig: Enable vc4_hdmi_cec

CEC driver is required for hdmi operation.

Change-Id: I2b63797641163a4da088b492c05c3d957fbaa208
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agoARM: dts: bcm2711-rpi-4-b: Enable aon_intr driver 29/270729/1
Hoegeun Kwon [Tue, 8 Feb 2022 05:51:46 +0000 (14:51 +0900)]
ARM: dts: bcm2711-rpi-4-b: Enable aon_intr driver

The  Set Top Box Level 2 Interrupt controller required to use drm.

Change-Id: Ibe417dbb6f1e6372ef73c70dd812d543bf7a9d83
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agomisc/trinity: Fix invalid spdx identifiers for uapi haeder
Seung-Woo Kim [Wed, 5 Jan 2022 07:10:38 +0000 (16:10 +0900)]
misc/trinity: Fix invalid spdx identifiers for uapi haeder

The user api header requires "WITH Linux-syscall-note" for
SPDX-License-Identifier when installing. Without it, the command
"make headers_install" fails. To fix it, add proper spdx license
identifier for uapi header.

Change-Id: I95272a29b6808d32eea0e5e95c399a43705f1c96
Fixes: commit 12fc392663db ("misc/trinity: Add trinity npu driver")
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agomisc/trinity: Fix invalid spdk identifiers
Dongju Chae [Wed, 5 Jan 2022 05:58:28 +0000 (14:58 +0900)]
misc/trinity: Fix invalid spdk identifiers

This patch fixes invalid spdk identifiers.
'//' does not work in non-source files.

Change-Id: I1e1a404eb1769440c2fbfb29a461a27c088b19ef
Signed-off-by: Dongju Chae <dongju.chae@samsung.com>
2 years agomisc/trinity: Add trinity npu driver
Dongju Chae [Wed, 29 Dec 2021 04:58:43 +0000 (13:58 +0900)]
misc/trinity: Add trinity npu driver

This patch uploads trinity npu driver source codes
(for now, triv2 only) including the srnpu iommu codes.

Note that the driver may not available in the rpi4 board,
but let's just sync codes as the reference tizen kernel.

Change-Id: I61353768adb948e6189aeb2c7c79082c3ddbc2ba
Signed-off-by: Dongju Chae <dongju.chae@samsung.com>
2 years agousb: gadget: f_fs: Prevent panic due to failure of huge size buffer allocation
Dongwoo Lee [Fri, 26 Oct 2018 01:41:41 +0000 (10:41 +0900)]
usb: gadget: f_fs: Prevent panic due to failure of huge size buffer allocation

The f_fs daemons usually use large size buffer for increasing transfer
performance, but it can cause memory allocation failure in case of
that buddy space is fragmented. Since this, instead of just returning
error in this case, give the chance to retry to allocate memory with
a half length in order to prevent daemon crash due to failure of
buffer allocation.

Change-Id: I4df1987a6f07e558772dcc5f6f020cc550fb1b13
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
2 years agoscripts: mkbootimg_rpi4.sh: Stop build on any kind of errors
Dongwoo Lee [Wed, 1 Dec 2021 05:28:26 +0000 (14:28 +0900)]
scripts: mkbootimg_rpi4.sh: Stop build on any kind of errors

Currently, even if an error occurs during image creation, the script
does not abort, which may result in incorrect image creation. In order
to avoid confusion due to this, if any kind of error occurs during the
build process, the build will be stopped.

Change-Id: I8094f4b97128a8c754e5a9ff22f1b3395a3756b1
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
2 years agotizen: rpi4: disable obsolete options in config.txt
Marek Szyprowski [Mon, 22 Nov 2021 11:24:04 +0000 (12:24 +0100)]
tizen: rpi4: disable obsolete options in config.txt

Overlays are not supported on Tizen and 'vc4-fkms-v3d' overlay has been
obsoleted long time ago when VC4 DRM gained full support of the RPi4
hardware, so remove it from the default config.txt. Same for
'dtparam=audio=on'.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: Iaa4ad049951e1538d818caa144928a08560911bd

2 years agomm: thp: add missing pte_unmap() calls
Marek Szyprowski [Wed, 10 Nov 2021 07:39:34 +0000 (08:39 +0100)]
mm: thp: add missing pte_unmap() calls

pte_offset_map() requires to call pte_unmap() after using the returned
pte pointer. Add missing calls.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: I1d883c10f627334feec4be4e6d6efce0a3fde38f

2 years agomm: thp: fix split_huge_pte() operation on non-THP aligned address
Marek Szyprowski [Tue, 9 Nov 2021 14:34:52 +0000 (15:34 +0100)]
mm: thp: fix split_huge_pte() operation on non-THP aligned address

When split_huge_pte() has been called on the address, which is not THP
aligned, the pte ptr should also be adjusted to the beginning of the THP
page.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: Idf1ddf95b3f5a5a790fd2b0eb85ac4c22e561a48

2 years agomm, thp: preventing hugepage creation for read-write file pages
Sung-hun Kim [Thu, 7 Oct 2021 07:57:39 +0000 (16:57 +0900)]
mm, thp: preventing hugepage creation for read-write file pages

Sometimes, an user process incurs writes on file pages
which has VM_DENYWRITE flag in its vma->vm_flags (of
course, the vma has VM_WRITE flags too). In this case,
the kernel creates a new page by a COW fault, but it is
an unexpected behaviour for 64KB file hugepages.

This patch disallows scanning of read-write file pages
to prevent unexpected buggy behaviours.

Change-Id: I28c1da7f7ad4be55be5607316b29a2978896fcb9
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
2 years agothp, khugepaged: skip retracting page table if a 64KB hugepage mapping is already...
Sung-hun Kim [Wed, 6 Oct 2021 04:33:00 +0000 (13:33 +0900)]
thp, khugepaged: skip retracting page table if a 64KB hugepage mapping is already established

When khugepaged tries to retract page table entries,
an user can try to handle a page fault. To prevent
concurrent modifications for an address space, an
mmap_lock is used.

If khugepaged failed to get lock, it delays page
table retraction to the next interation. Previously,
however, khugepaged assumes that page table entries
have normal mapping, especially for 64KB hugepages.

This patch checks that a mapping is already
established for 64KB hugepage appropriately. If it is
khugepaged just skips a retraction.

Change-Id: I961e21e65e2ae09df43488582d1469e250059909
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
2 years agomm: thp: khugepaged: flush tlb range to prevent concurrent memory accesses
Sung-hun Kim [Fri, 1 Oct 2021 05:15:51 +0000 (14:15 +0900)]
mm: thp: khugepaged: flush tlb range to prevent concurrent memory accesses

When khugepaged creates a hugepage while a user accesses memory,
khugepaged should prohibit current accesses to scanning area
because it can make a race condition.

Before creating a hugepage, khugepaged holds a lock of mm_struct
then flushes tlbs of scanning range. For 64KB hugepage, however,
it does not flush tlbs before it installs a new hugepage into the
page table. In this case, the user can lose their progress because
the user process still have memory map in its TLB entries.

By flushing TLBs right after acquiring mmap_lock, the process can
stall before reusing their memory contents.

Change-Id: I408662d69fa68e6210be8ad0b585943bfb8894e8
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
2 years agomm, thp: do not set PTE_SPECIAL for huge zero page
Sung-hun Kim [Fri, 1 Oct 2021 04:06:07 +0000 (13:06 +0900)]
mm, thp: do not set PTE_SPECIAL for huge zero page

In previous version of the kernel, a huge zero page is remapped
to normal pte mappings with PTE_SPECIAL flag when the split of
hugepage is requested. It makes a buggy situation when the
kernel tries to find a page with vm_normal_page.

This patch resolves this problem by adding a condition to if-
statement.

Change-Id: I62946d3c3e92be309ccbe987f24a33503a7e23dc
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
2 years agomm: thp: add acquisition/release of a lock to guarantee consistent locking state
Sung-hun Kim [Fri, 1 Oct 2021 04:01:01 +0000 (13:01 +0900)]
mm: thp: add acquisition/release of a lock to guarantee consistent locking state

arm64_wp_huge_pte should acquire a lock before return
to keep the lock semantics of the caller.
To guarantee this, add a new lock acquisition and a
new lock release statements in proper positions.

Change-Id: I81fb8afc37f54bce83f353ca6b6894e70ef86934
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
2 years agomm, thp: modify coverage of CONFIG_FINEGRAINED_THP macro
Sung-hun Kim [Thu, 30 Sep 2021 03:28:56 +0000 (12:28 +0900)]
mm, thp: modify coverage of CONFIG_FINEGRAINED_THP macro

Some codes should be applied only in fTHP-enabled
kernel. This patch rearranges the coverage of
CONFIG_FINEGRAINED_THP macro.

Change-Id: I0541c36369f8bd7a8fe4b8868c51dc0e6879f100
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
2 years agomeminfo, thp: modify ifdef coverage to remove unexpected variable printing
Sung-hun Kim [Thu, 30 Sep 2021 00:37:45 +0000 (09:37 +0900)]
meminfo, thp: modify ifdef coverage to remove unexpected variable printing

If the system uses fTHP, the user can show statistics of
hugepage-mapped CMA pages via /proc/meminfo.
Otherwise, the user does not need to aware of such variables.
This patch removes such exported variables when fTHP-disabled
kernel is used.

Change-Id: Iaff9dd8d81da1a3caa60959b9c5c1f44544f30d4
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
2 years agomm: thp: count 64k shmem pages separately
Marek Szyprowski [Wed, 22 Sep 2021 13:29:33 +0000 (15:29 +0200)]
mm: thp: count 64k shmem pages separately

64k THP for shmem needs separate counters, otherwise ShmemHugePages entry
in /proc/meminfo incorrectly shows both 2M and 64k THPs as 2M ones.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: I460ea9f4e9c2f84bb066f68bfb6a291183416bb1

2 years agomm, thp, migrate: handling migration of 64KB hugepages
Sung-hun Kim [Thu, 16 Sep 2021 04:44:25 +0000 (13:44 +0900)]
mm, thp, migrate: handling migration of 64KB hugepages

When a 64KB hugepage is migrated, it should be properly
handled since it is different from other normal page
mappings. The kernel should handle a set of sequential
16 page mappings at once. If not, the kernel can mishandle
map counts of a compound page (that is, a set of pages).
It can be a source of kernel bugs and the bug is easily
reproduced on low-memory devices.

This patch deals with the migration of 64KB hugepages.

Fixes: 90eb23660fef ('mm: THP: introducing a fine-grained transparent hugepage technique for ARM64 architecture')
Change-Id: I50a5d4e9a263e7dcbded15c982f57c15a3a48f39
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
2 years agomm, thp: hide remap_try_huge_pmd for the THP-disabled kernel
Sung-hun Kim [Wed, 15 Sep 2021 07:39:13 +0000 (16:39 +0900)]
mm, thp: hide remap_try_huge_pmd for the THP-disabled kernel

Since remap_try_huge_pmd is dependent on the kernel
configuration CONFIG_TRANSPARENT_HUGEPAGE, it should be
hidden when the kernel configuration is disabled.

Fixes: 90eb23660fef ('mm: THP: introducing a fine-grained transparent hugepage technique for ARM64 architecture')
Change-Id: Iae9efb2edf6cd563c794af68bea7987110a5b2da
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
2 years agoPartially Revert "brcmfmac: p2p: Deal with set but unused variables"
Seung-Woo Kim [Wed, 15 Sep 2021 06:07:00 +0000 (15:07 +0900)]
Partially Revert "brcmfmac: p2p: Deal with set but unused variables"

This partially reverts commit 2de64ca7c9fadd32b261530592db4a6adbfcb53f.

The commit 61325dc073e2 ("Revert "brcmfmac: move configuration of
probe request IEs"") requires vif set with p2p interface, but commit
2de64ca7c9fa removes setting. Partially revert the commit to support
p2p usage with p2p interface.

Change-Id: Ia90e256c3d10396b1018e3aec8145139accfb39e
Reported-by: Jiung Yu <jiung.yu@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agoarm64: defconfig: enable finegrained-THP configuration
Sung-hun Kim [Mon, 30 Aug 2021 06:16:52 +0000 (15:16 +0900)]
arm64: defconfig: enable finegrained-THP configuration

Enable finegrained-THP to allow creation of 64KB hugepages.

Change-Id: If23d2489571ac0a5c367db54126b7b6abf42eebc
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
2 years agoarm64: defconfig: enable default THP configurations
Sung-hun Kim [Mon, 30 Aug 2021 06:15:54 +0000 (15:15 +0900)]
arm64: defconfig: enable default THP configurations

Enable default THP in Linux.
With this configuration, the Linux kernel can make 2MB hugepages
without user intervention.

Change-Id: Ifdfc472a78edf76be32c359b2b15c0ca28a2bc8b
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
2 years agomm: THP: introducing a fine-grained transparent hugepage technique for ARM64 architecture
Sung-hun Kim [Fri, 2 Jul 2021 09:43:36 +0000 (18:43 +0900)]
mm: THP: introducing a fine-grained transparent hugepage technique for ARM64 architecture

Transparent hugepage (THP) is one of promise solutions to deal with
increased memory footprints, but it mostly focused on server-side
environments.

This patch claims that embedded systems also get benefits by using
THP to deal with increased but still small-sized memory footprints
in applications on the embedded system.

An ARM64 architecture featured a fine-grained hugepage which support
64KB sized hugepages while the size of commonly used hugepage is 2MB.
We used these two kinds of hugepages corresponding to required size
of virtual memory.

In this patch, we developed an eager-and-conservative policy. With
this policy, the kernel do not allow to allocate 2MB hugepages on
page faults to decrease enlarged page fault latencies. Instead, the
kernel allocates 64KB hugepages to deal with hugepage allocation.
Since 64KB hugepages require the smaller order pages than 2MB
hugepages, it does not severely affect to user-noticed memory latency
due to the memory management tasks such as memory compaction.

On the other hand, khugepaged makes both 64KB hugepages and 2MB
hugepages for both anonymous pages and file pages corresponding to
virtual memory sizes.

Moreover, our proposed finegrained THP (fTHP) supports hugepage
mappings on pages in CMA. Since pages in CMA already contiguous, fTHP
just allows hugepage mappings for 64KB or 2MB aligned memory areas.

The proposed method achieves upto 32% of throughput improvement
against Linux kernel with default THP that the system runs a read
workload in lmbench [1] when the buffer is fitted in the CPU
last-level-cache. For the large-sized buffer (bigger than 2MB),
the proposed method shows similar throughput to default THP in Linux
kernel.

[1] LMbench - Tools for peformance analysis:
http://lmbench.sourceforge.net

Change-Id: I750528db8f04b37fda39052bea775d18ca5d53fb
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2 years agomm: use proper type for cma_[alloc|release]
Minchan Kim [Wed, 21 Apr 2021 04:44:12 +0000 (14:44 +1000)]
mm: use proper type for cma_[alloc|release]

size_t in cma_alloc is confusing since it makes people think it's byte
count, not pages.  Change it to unsigned long[1].

The unsigned int in cma_release is also not right so change it.  Since we
have unsigned long in cma_release, free_contig_range should also respect
it.

[1] 67a2e213e7e9, mm: cma: fix incorrect type conversion for size during dma allocation

Link: https://lore.kernel.org/linux-mm/20210324043434.GP1719932@casper.infradead.org/
Link: https://lkml.kernel.org/r/20210331164018.710560-1-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=78fa51503fdbe463c96eef4c3cf69ca54032647a
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Change-Id: Ie6de7e88bdae134120d2d88178e5a71cd00bd460

2 years agomm: cma: support sysfs
Minchan Kim [Wed, 21 Apr 2021 04:44:12 +0000 (14:44 +1000)]
mm: cma: support sysfs

Since CMA is getting used more widely, it's more important to keep
monitoring CMA statistics for system health since it's directly related to
user experience.

This patch introduces sysfs statistics for CMA, in order to provide some
basic monitoring of the CMA allocator.

 * the number of CMA page successful allocations
 * the number of CMA page allocation failures

These two values allow the user to calcuate the allocation
failure rate for each CMA area.

e.g.)
  /sys/kernel/mm/cma/WIFI/alloc_pages_[success|fail]
  /sys/kernel/mm/cma/SENSOR/alloc_pages_[success|fail]
  /sys/kernel/mm/cma/BLUETOOTH/alloc_pages_[success|fail]

The cma_stat was intentionally allocated by dynamic allocation
to harmonize with kobject lifetime management.
https://lore.kernel.org/linux-mm/YCOAmXqt6dZkCQYs@kroah.com/

Link: https://lkml.kernel.org/r/20210324230759.2213957-1-minchan@kernel.org
Link: https://lore.kernel.org/linux-mm/20210316100433.17665-1-colin.king@canonical.com/
Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: John Dias <joaodias@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=43ca106fa8ec7d684776fbe561214d3b2b7cb9cb
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Change-Id: I80c0f2c8d60d250418002260b0a20e5a796a9823

2 years agomm: cma: add the CMA instance name to cma trace events
Minchan Kim [Wed, 5 May 2021 01:37:31 +0000 (18:37 -0700)]
mm: cma: add the CMA instance name to cma trace events

There were missing places to add cma instance name.  To identify each CMA
instance, let's add the name for every cma trace.  This patch also changes
the existing cma_trace_alloc to cma_trace_finish since we have
cma_alloc_start[1].

[1] https://lore.kernel.org/linux-mm/20210324160740.15901-1-georgi.djakov@linaro.org

Link: https://lkml.kernel.org/r/20210330220237.748899-1-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Liam Mark <lmark@codeaurora.org>
Cc: Georgi Djakov <georgi.djakov@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=3aab8ae7aace3388da319a233edf48f0f5d26a44
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Change-Id: I94fb2a7925f56e467c954f4d07d492cbd1b1c4e4

2 years agomm: cma: add trace events for CMA alloc perf testing
Liam Mark [Wed, 5 May 2021 01:37:25 +0000 (18:37 -0700)]
mm: cma: add trace events for CMA alloc perf testing

Add cma and migrate trace events to enable CMA allocation performance to
be measured via ftrace.

[georgi.djakov@linaro.org: add the CMA instance name to the cma_alloc_start trace event]
Link: https://lkml.kernel.org/r/20210326155414.25006-1-georgi.djakov@linaro.org
Link: https://lkml.kernel.org/r/20210324160740.15901-1-georgi.djakov@linaro.org
Signed-off-by: Liam Mark <lmark@codeaurora.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=7bc1aec5e28765ad18742824b3b972471807a632
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Change-Id: I61b2cdb2a7416c69fc577080c08be50255921305

2 years agomm: cma: use pr_err_ratelimited for CMA warning
Baolin Wang [Wed, 21 Apr 2021 04:44:11 +0000 (14:44 +1000)]
mm: cma: use pr_err_ratelimited for CMA warning

If we did not reserve extra CMA memory, the log buffer can be easily
filled up by CMA failure warning when the devices calling
dmam_alloc_coherent() to alloc DMA memory.  Thus we can use
pr_err_ratelimited() instead to reduce the duplicate CMA warning.

Link: https://lkml.kernel.org/r/ce2251ef49e1727a9a40531d1996660b05462bd2.1615279825.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=63f83b31f4f36d933e13bd8b9a25d6d9a0cf89dd
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Change-Id: I24e03acb8288fc60e22dddfd409d56b50f3ac12f

2 years agomm: vmstat: add cma statistics
Minchan Kim [Wed, 21 Apr 2021 04:44:11 +0000 (14:44 +1000)]
mm: vmstat: add cma statistics

Since CMA is used more widely, it's worth to have CMA allocation
statistics into vmstat.  With it, we could know how agressively system
uses cma allocation and how often it fails.

Link: https://lkml.kernel.org/r/20210302183346.3707237-1-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Cc: John Dias <joaodias@google.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=bbb269206f3c914d4f23e023de4ec020abea6d1b
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Change-Id: Iadf5fef76fe6dfa41177cfccf022ea39ae1cb19e

2 years agomm: cma: print region name on failure
Patrick Daly [Fri, 26 Feb 2021 01:16:44 +0000 (17:16 -0800)]
mm: cma: print region name on failure

Print the name of the CMA region for convenience.  This is useful
information to have when cma_alloc() fails.

[pdaly@codeaurora.org: print the "count" variable]
Link: https://lkml.kernel.org/r/20210209142414.12768-1-georgi.djakov@linaro.org
Link: https://lkml.kernel.org/r/20210208115200.20286-1-georgi.djakov@linaro.org
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=a052d4d13d88c2073d1339d9dce02cba7b4dc609
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Change-Id: Id498bfa25916823d7e3d804db01691916fc8fac4

2 years agomm: cma: improve pr_debug log in cma_release()
Charan Teja Reddy [Tue, 15 Dec 2020 03:13:26 +0000 (19:13 -0800)]
mm: cma: improve pr_debug log in cma_release()

It is required to print 'count' of pages, along with the pages, passed to
cma_release to debug the cases of mismatched count value passed between
cma_alloc() and cma_release() from a code path.

As an example, consider the below scenario:

1) CMA pool size is 4MB and

2) User doing the erroneous step of allocating 2 pages but freeing 1
   page in a loop from this CMA pool.  The step 2 causes cma_alloc() to
   return NULL at one point of time because of -ENOMEM condition.

And the current pr_debug logs is not giving the info about these types of
allocation patterns because of count value not being printed in
cma_release().

We are printing the count value in the trace logs, just extend the same to
pr_debug logs too.

[akpm@linux-foundation.org: fix printk warning]

Link: https://lkml.kernel.org/r/1606318341-29521-1-git-send-email-charante@codeaurora.org
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>
Reviewed-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Vinayak Menon <vinmenon@codeaurora.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=b8ca396f984295ba09f25f6982f9abd0bb7f5a29
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Change-Id: Ic44cb49df247f690145a2d9dc8279aa94de4205f

2 years agotizen_bcm2711_defconfig: Enable configs for docker
Kiwoong Ha [Mon, 8 Mar 2021 21:41:17 +0000 (06:41 +0900)]
tizen_bcm2711_defconfig: Enable configs for docker

Enable below configs for docker-engine
CONFIG_IP_VS=y
CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=y
CONFIG_NETFILTER_XT_MATCH_IPVS=y
CONFIG_VETH=y

Change-Id: I49c809b50d40eb653cb3cb6da12c5655788cd0f9
Signed-off-by: Kiwoong Ha <kw1981.ha@samsung.com>
2 years agoovl: do not fail because of O_NOATIME
Miklos Szeredi [Mon, 14 Dec 2020 14:26:14 +0000 (15:26 +0100)]
ovl: do not fail because of O_NOATIME

In case the file cannot be opened with O_NOATIME because of lack of
capabilities, then clear O_NOATIME instead of failing.

Remove WARN_ON(), since it would now trigger if O_NOATIME was cleared.
Noticed by Amir Goldstein.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
[sw0312.kim: backport v5.11 mainline commit b6650dab404c to resolve overlayfs file open EPERM fail issue in v5.10]
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Change-Id: I9c0c74747bb4a208fc68ca561f740281b2b553fe

2 years agotizen_bcm2711_defconfig: Enable dm-bow
Mateusz Moscicki [Thu, 8 Jul 2021 13:40:21 +0000 (15:40 +0200)]
tizen_bcm2711_defconfig: Enable dm-bow

This enables device mapper driver to allow checkpoint & restore on ext4
partitions.

Change-Id: Ic88811b4e9b66bc42e12e220e420c75464cf6ea8
Signed-off-by: Mateusz Moscicki <m.moscicki2@samsung.com>
[sw0312.kim: sync with savedefconfig]
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agodevice-mapper: Add dm-bow
Mateusz Moscicki [Thu, 8 Jul 2021 13:36:25 +0000 (15:36 +0200)]
device-mapper: Add dm-bow

dm-bow is a device mapper driver that allows to create a checkpoint on
the volume so that it is possible to restore the state if necessary.
This is needed to protect the ext4 partition during a system upgrade in
case of a power failure.

Change-Id: Ifb0b9e3cadd84b0e01bc5c7e80dd296be48516c2
Originally-by: Paul Lawrence <paullawrence@google.com>
Origin: https://android.googlesource.com/kernel/common/+/refs/heads/android-mainline/drivers/md/dm-bow.c
Signed-off-by: Mateusz Moscicki <m.moscicki2@samsung.com>
2 years agoARM64: tizen_bcm2711_defconfig: Sync with savedefconfig
Dongwoo Lee [Wed, 7 Jul 2021 03:33:21 +0000 (12:33 +0900)]
ARM64: tizen_bcm2711_defconfig: Sync with savedefconfig

This fixes to synchronize current defconfig with savedefconfig

Change-Id: I195f05429a15e424834a590df72b73547126d529
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
2 years agoARM: tizen_bcm2711_defconfig: Sync with savedefconfig
Dongwoo Lee [Wed, 7 Jul 2021 03:31:01 +0000 (12:31 +0900)]
ARM: tizen_bcm2711_defconfig: Sync with savedefconfig

This fixes to synchronize current defconfig with savedefconfig

Change-Id: Ia99f98f2d675ae424e796ddbbd087175d9ad3cae
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
2 years agoARM/ARM64: tizen_bcm2711_defconfig: disable ANDROID_LOGGER config
INSUN PYO [Wed, 30 Jun 2021 02:35:05 +0000 (11:35 +0900)]
ARM/ARM64: tizen_bcm2711_defconfig: disable ANDROID_LOGGER config

Disable android logger.
The android logger has been moved to the kernel module of the linux-tizen-modules package.

Change-Id: I64c5207ce00a818795e307b79d4bf540a88fe120
Signed-off-by: INSUN PYO <insun.pyo@samsung.com>
2 years agomm: LKSM: bug fix for kernel memory leak
Sung-hun Kim [Tue, 27 Oct 2020 11:48:36 +0000 (20:48 +0900)]
mm: LKSM: bug fix for kernel memory leak

For efficiency, LKSM cleans exited processes in a batched manner when it
finishes a scanning iteration. When it finds exited process while it is in
the scanning iteration, it just pends the mm_slot of the exited process to
the internal list.

On the other hend, when KSM daemon cleans mm_slots of exited processes, it
should care regions of exited processes to remove unreferenced lksm_region
objects.

Previously, most regions are maintained properly but only regions in "head"
of the exited process list does not be cleaned due to the buggy implementation.
At last, uncleaned objects are remained as unreferenced garbages.

Follow message is detected by kmemleak (reported by sw0312.kim@samsung.com):
=========================================================================
unreferenced object 0xffffff80c7083600 (size 128):
  comm "ksm_crawld", pid 41, jiffies 4294918362 (age 95.632s)
  hex dump (first 32 bytes):
    00 37 08 c7 80 ff ff ff 60 82 19 bd 80 ff ff ff  .7......`.......
    00 35 08 c7 80 ff ff ff 00 00 00 00 00 00 00 00  .5..............
  backtrace:
    [<0000000048313958>] kmem_cache_alloc_trace+0x1e0/0x348
    [<00000000fd246822>] lksm_region_ref_append+0x48/0xf8
    [<00000000c5a818a0>] ksm_join+0x3a0/0x498
    [<00000000b2c3f36a>] lksm_prepare_full_scan+0xe8/0x390
    [<00000000013943b5>] lksm_crawl_thread+0x214/0xbf8
    [<00000000b4ce0593>] kthread+0x1b0/0x1b8
    [<000000002a3f7216>] ret_from_fork+0x10/0x18
unreferenced object 0xffffff80c7083700 (size 128):
  comm "ksm_crawld", pid 41, jiffies 4294918362 (age 95.632s)
  hex dump (first 32 bytes):
    00 39 08 c7 80 ff ff ff 00 36 08 c7 80 ff ff ff  .9.......6......
    00 35 08 c7 80 ff ff ff 00 00 00 00 00 00 00 00  .5..............
  backtrace:
    [<0000000048313958>] kmem_cache_alloc_trace+0x1e0/0x348
    [<00000000fd246822>] lksm_region_ref_append+0x48/0xf8
    [<00000000c5a818a0>] ksm_join+0x3a0/0x498
    [<00000000b2c3f36a>] lksm_prepare_full_scan+0xe8/0x390
    [<00000000013943b5>] lksm_crawl_thread+0x214/0xbf8
    [<00000000b4ce0593>] kthread+0x1b0/0x1b8
    [<000000002a3f7216>] ret_from_fork+0x10/0x18
...
=========================================================================

This patch takes care of such possible kernel memory leak problem.

Change-Id: I3e4b299e02018ece1c19ba53e4f10a68520a807b
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
2 years agoARM64: tizen_bcm2711_defconfig: Enable WireGuard
Dongwoo Lee [Wed, 2 Jun 2021 02:48:28 +0000 (11:48 +0900)]
ARM64: tizen_bcm2711_defconfig: Enable WireGuard

This enables WireGuard VPN feature.

Change-Id: I2e63427ed5f667858bd3abddb73e5018dc16ac7e
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
2 years agoARM: tizen_bcm2711_defconfig: Enable WireGuard
Dongwoo Lee [Wed, 2 Jun 2021 02:36:45 +0000 (11:36 +0900)]
ARM: tizen_bcm2711_defconfig: Enable WireGuard

This enables WireGuard VPN feature.

Change-Id: Ia88f99d110c65120f1e55a1bca2e59b9fe35324f
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
2 years agoRevert "sched: Remove sched_setscheduler*() EXPORTs"
Seung-Woo Kim [Fri, 14 May 2021 01:56:44 +0000 (10:56 +0900)]
Revert "sched: Remove sched_setscheduler*() EXPORTs"

This reverts commit 616d91b68cd56bcb1954b6a5af7d542401fde772.

Some out-of-tree module still uses sched_setscheduler(), so for
build, revert removing export symbol for it.

Change-Id: Ic2dbfc04e03e91c5d8daf52039f06149ae0d5fb1
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agomisc: tizen-inform-reboot: fix a potential NULL pointer dereference
Jaehoon Chung [Fri, 16 Apr 2021 02:18:41 +0000 (11:18 +0900)]
misc: tizen-inform-reboot: fix a potential NULL pointer dereference

Fix a potential NULL pointer dereference.
If there is no file or directory, it has to check whether it's error or
not.

Change-Id: Ia6e7280c1901ae772a5f890c312b7a741fbac0a1
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
2 years agof2fs: Change default mount options
Dongwoo Lee [Wed, 14 Apr 2021 02:52:25 +0000 (11:52 +0900)]
f2fs: Change default mount options

As adjusting mount options for increasing performance and reducing data
move due to bggc, this changes default mount options about fsync mode
and bggc algorithm as below:
fsync_mode: from 'posix' to 'nobarrier'
bggc_algorithm: from 'default' to 'atgc'

Change-Id: I124ced2ef824832df280de74120612dc72167b36
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
2 years agoARM: tizen_bcm2711_defconfig: Enable security labels for f2fs
Dongwoo Lee [Mon, 12 Apr 2021 03:56:59 +0000 (12:56 +0900)]
ARM: tizen_bcm2711_defconfig: Enable security labels for f2fs

To support smack on f2fs, this enables security label for f2fs
filesystem.

Change-Id: I834d81cec7d861ab2fbfcaf58ad51688216f4b2d
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
2 years agoARM64: tizen_bcm2711_defconfig: Enable security labels for f2fs
Dongwoo Lee [Mon, 12 Apr 2021 03:47:07 +0000 (12:47 +0900)]
ARM64: tizen_bcm2711_defconfig: Enable security labels for f2fs

To support smack on f2fs, this enables security label for f2fs
filesystem.

Change-Id: Idb151191387c762fb238d5ad0f78d2710cbc7674
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
2 years agoARM: tizen_bcm2711_defconfig: Enable ARM_MODULE_PLTS config
Hoegeun Kwon [Thu, 1 Apr 2021 05:25:00 +0000 (14:25 +0900)]
ARM: tizen_bcm2711_defconfig: Enable ARM_MODULE_PLTS config

Fixes the problem of not loading kernel modules

Change-Id: I3eeed53c510610b69e2ab8b6ddc09a5680fb54c9
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agopackaging: Change the kernel version of the spec file
Hoegeun Kwon [Tue, 30 Mar 2021 02:04:39 +0000 (11:04 +0900)]
packaging: Change the kernel version of the spec file

Change the kernel version to 5.10.25

Change-Id: Ibe698990fefa9e336212788089d7e2503726da88
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agoARM64: tizen_bcm2711_defconfig: Enable USB_PRINTER config
Chanwoo Choi [Wed, 24 Mar 2021 03:45:52 +0000 (12:45 +0900)]
ARM64: tizen_bcm2711_defconfig: Enable USB_PRINTER config

Enable USB_PRINTER config to suppot USB printer device.

Change-Id: I2068a283928c8f3c85d5f31b25a13300cdc52783
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
2 years agoARM: tizen_bcm2711_defconfig: Enable USB_PRINTER config
Chanwoo Choi [Wed, 24 Mar 2021 03:44:24 +0000 (12:44 +0900)]
ARM: tizen_bcm2711_defconfig: Enable USB_PRINTER config

Enable USB_PRINTER config to suppot USB printer device.

Change-Id: Ic63797d93520e4bc50175c53c7e7328b55a0f724
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
2 years agoARM64: tizen_bcm2711_defconfig: Enable CONFIG_CFG80211_CRDA_SUPPORT
Jaehoon Chung [Mon, 22 Mar 2021 08:06:33 +0000 (17:06 +0900)]
ARM64: tizen_bcm2711_defconfig: Enable CONFIG_CFG80211_CRDA_SUPPORT

Enable CONFIG_CFG80211_CRDA_SUPPORT.

Change-Id: If60cab97a05ca8bc01633255ede56279fcc599a8
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
2 years agoRevert "ARM: configs: tizen_bcm2711_defconfig: Disable CONFIG_CFG80211_CRDA_SUPPORT"
Jaehoon Chung [Mon, 22 Mar 2021 07:56:08 +0000 (16:56 +0900)]
Revert "ARM: configs: tizen_bcm2711_defconfig: Disable CONFIG_CFG80211_CRDA_SUPPORT"

This reverts commit 6485924bd76b70c8ed6ba334ef9b5045f4a3686d.
- Enable CONFIG_CFG80211_CRDA_SUPPORT to use country code.

Change-Id: I951b32c86611b6240991e9bb8b362c98bb56b72c
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
2 years agomedia: uvcvideo: Add a probe quirk to Jieli Technology USB PHY 2.0 (1224:2a25)
Seung-Woo Kim [Thu, 25 Feb 2021 08:17:12 +0000 (17:17 +0900)]
media: uvcvideo: Add a probe quirk to Jieli Technology USB PHY 2.0 (1224:2a25)

Repeated video request on Jieli Technology USB PHY 2.0 (1224:2a25)
device causes data stall with below error until reconnection:
  uvcvideo: Failed to set UVC probe control : -32 (exp. 26).

To resolve the wrong state, add PROBE quirk bits.

Change-Id: I5efba6ac26d5eea70e2227f9ff9801dd5d8d4790
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agoARM/ARM64: defconfig: disable SECURITY_SMACK_NETFILTER config
Jaehoon Chung [Wed, 17 Feb 2021 01:02:48 +0000 (10:02 +0900)]
ARM/ARM64: defconfig: disable SECURITY_SMACK_NETFILTER config

Disable SECURITY_SMACK_NETFILTER configuration.

Change-Id: Id95847392ac2bf53b92dae5ee2c0d4b5c1e41ece
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
2 years agoARM: tizen_bcm2711_defconfig: Enable OVERLAY_FS
Seung-Woo Kim [Mon, 25 Jan 2021 07:24:54 +0000 (16:24 +0900)]
ARM: tizen_bcm2711_defconfig: Enable OVERLAY_FS

Enable CONFIG_OVERLAY_FS for tizen application space.

Change-Id: I46b011effa26e1f7ef9acf5f18d52bc7b54452c5
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agoARM64: tizen_bcm2711_defconfig: Enable OVERLAY_FS
Seung-Woo Kim [Mon, 25 Jan 2021 07:24:03 +0000 (16:24 +0900)]
ARM64: tizen_bcm2711_defconfig: Enable OVERLAY_FS

Enable CONFIG_OVERLAY_FS for tizen application space.

Change-Id: I1b2aafaeea24b6ef6b07d3c57d542dce13c53b8f
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
2 years agousb: gadget: f_fs: Fix use-after-free for unbind with remaining io
Dongwoo Lee [Fri, 22 Jan 2021 03:40:18 +0000 (12:40 +0900)]
usb: gadget: f_fs: Fix use-after-free for unbind with remaining io

If usb has stall, then there can be remaining submitted io and
unbinding f_fs with the remaining io, there is use-after-free.
Fix the use-after-free by checking endpoint after wait.

This fixes following kasan warning:
   BUG: KASAN: use-after-free in ffs_epfile_io+0x654/0xb58
   Read of size 4 at addr ffffffc0a44e65dc by task mtp-responder/5117
   ...
   [<ffffff900a037794>] ffs_epfile_io+0x654/0xb58
   [<ffffff900a03818c>] ffs_epfile_read_iter+0x1ac/0x3e0
   ...

   Allocated by task 3869:
   ...
    __kmalloc+0x234/0x760
    _ffs_func_bind+0x264/0x7c8
    ffs_func_bind+0xe8/0x650
    usb_add_function+0x13c/0x378
   ...
   Freed by task 3869:
   ...
    kfree+0xa4/0x750
    ffs_func_unbind+0x150/0x248
    purge_configs_funcs+0x1a0/0x310
   ...

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
[dwoo08.lee: cherry-picked from linux-amlogic commit 5dd3ffecd46f to prevent use-after-free when f_fs is unbound before all requests are over]
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
Change-Id: Idf2391c53ca0f90fc9484d725304b88fc57fa8a6

2 years agopid: mark struct pid* argument as const
Łukasz Stelmach [Tue, 2 Feb 2021 18:52:58 +0000 (19:52 +0100)]
pid: mark struct pid* argument as const

Change-Id: I17a358ccbae656561e9e1df4ff3fe0055e4eaf20
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
2 years agoARM: tizen_bcm2711_defconfig: Sync with .config with v5.10.y
Hoegeun Kwon [Thu, 21 Jan 2021 10:10:27 +0000 (19:10 +0900)]
ARM: tizen_bcm2711_defconfig: Sync with .config with v5.10.y

Sync with .config with v5.10.y

Change-Id: I4259a2c39383c96db46a6e0e3b743227678a6d8f
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agoarm64: tizen_bcm2711_defconfig: Sync with .config with v5.10.y
Hoegeun Kwon [Thu, 21 Jan 2021 07:33:01 +0000 (16:33 +0900)]
arm64: tizen_bcm2711_defconfig: Sync with .config with v5.10.y

Sync with .config with v5.10.y

Change-Id: I1291e11f4fb9dd1d855d70f18d5046a0a6492b52
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agoARM: dts: bcm2711-rpi-4-b: Support for drm vc4 and v3d
Hoegeun Kwon [Wed, 20 Jan 2021 12:02:08 +0000 (21:02 +0900)]
ARM: dts: bcm2711-rpi-4-b: Support for drm vc4 and v3d

Support for drm vc4 and v3d driver, apply vc4-kms-v3d-pi4-overlay dt
overlay.

Change-Id: I071af70b97abd9e8bb17d0ec6764a005a16284e2
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agoRevert "block: make function 'kill_bdev' static"
Hoegeun Kwon [Wed, 20 Jan 2021 04:52:50 +0000 (13:52 +0900)]
Revert "block: make function 'kill_bdev' static"

This reverts commit 3373a3461aa15b7f9a871fa4cb2c9ef21ac20b47.

To free ramdisk memory, BLKFLSBUF support is required.

Change-Id: I921098c20cc6cad96d2c418a8bd525428e504c70
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agomm: LKSM: Fix to use mmap_lock instead of mmap_sem.
Hoegeun Kwon [Wed, 20 Jan 2021 06:15:09 +0000 (15:15 +0900)]
mm: LKSM: Fix to use mmap_lock instead of mmap_sem.

Fix changed interface and incorrectly used structure member names.

Change-Id: I40c50fd7f20799e30dddb752aba464ac9aace28c
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agoASoC: ac108: Fix changed interface
Hoegeun Kwon [Wed, 20 Jan 2021 07:33:20 +0000 (16:33 +0900)]
ASoC: ac108: Fix changed interface

Fix changed interface and incorrectly used structure member names.

Change-Id: Ie6fd41392069fc264499b449fe1fbe45f3458a83
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agomisc: tizen-inform-reboot: Fix to use filp_open.
Hoegeun Kwon [Tue, 19 Jan 2021 07:28:41 +0000 (16:28 +0900)]
misc: tizen-inform-reboot: Fix to use filp_open.

Modify to use filp_open instead of ksys_open.

Change-Id: I49c8e883d8fd0d76b9ca6c7449303f2859f756b5
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
2 years agospec: set CONFIG_LOCALVERSION
Łukasz Stelmach [Mon, 4 Jan 2021 19:23:41 +0000 (20:23 +0100)]
spec: set CONFIG_LOCALVERSION

Set CONFIG_LOCALVERSION insetad of EXTRAVERSION in Makefile to carry
information about the platform variant.

Change-Id: If1650692162832ea86988e4adb610ce0148edde3
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
2 years agospec: support gbs(1) incremental builds
Łukasz Stelmach [Mon, 4 Jan 2021 13:41:58 +0000 (14:41 +0100)]
spec: support gbs(1) incremental builds

gbs(1) enable incremental builds that are significantly faster, hoewever,
spec files need some adjustments.

+ You can't use -n <name> with %setup
+ There is no point in making mrproper
+ use rsync(1) instead of cp(1)+find(1) to copy devel files

Other changes are:
+ use make headers_install to install headers in the buildroot
+ add _smp_mflags to make(1) things faster

Change-Id: Ia14fbe7acab8b83683f9e07757b4f62a7657b2a5
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
2 years agoscript: adjust ccache support
Łukasz Stelmach [Mon, 21 Dec 2020 12:46:37 +0000 (13:46 +0100)]
script: adjust ccache support

Change-Id: I735295fc21cf7caa29b84548a8f21449ed97800e
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
2 years agoscript: increase the number of concurrent compilers
Łukasz Stelmach [Wed, 13 Jan 2021 10:24:40 +0000 (11:24 +0100)]
script: increase the number of concurrent compilers

It is safe to run as many compilation processes as twice the number of
CPUs. This is the default settings of RPM building process in Tizen.

Change-Id: Id68d9d31bc54da11c8732689645408241a517887
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>