Giridhar Malavali [Fri, 28 May 2010 22:08:15 +0000 (15:08 -0700)]
[SCSI] qla2xxx: Clear drive active CRB register when not in use.
The CRB drive active register is cleared when driver is unloaded
or when driver enters failed state.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:14:44 +0000 (15:14 -0500)]
[SCSI] hpsa: add entry to MAINTAINERS
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:14:39 +0000 (15:14 -0500)]
[SCSI] hpsa: fix block fetch table problem.
We have 32 (MAXSGENTRIES) scatter gather elements embedded
in the command. With all these, the total command size is
about 576 bytes. However, the last entry in the block fetch table
is 35. (the block fetch table contains the number of 16-byte chunks
the firmware needs to fetch for a given number of scatter gather
elements.) 35 * 16 = 560 bytes, which isn't enough. It needs to be
36. (36 * 16 == 576) or, MAXSGENTRIES + 4. (plus 4 because there's a
bunch of stuff at the front of the command before the first scatter
gather element that takes up 4 * 16 bytes.) Without this fix, the
controller may have to perform two DMA operations to fetch the
command since the first one may not get the whole thing.
Signed-off-by: Don Brace <brace@beardog.cce.hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:14:34 +0000 (15:14 -0500)]
[SCSI] hpsa: expose controller firmware revision via /sys.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:14:29 +0000 (15:14 -0500)]
[SCSI] hpsa: Add hpsa.txt to Documentation/scsi
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:14:24 +0000 (15:14 -0500)]
[SCSI] hpsa: remove unused firm_ver member of the per-hba structure
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:14:19 +0000 (15:14 -0500)]
[SCSI] hpsa: factor out hpsa_enter_performant_mode
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:14:13 +0000 (15:14 -0500)]
[SCSI] hpsa: remove unused variable trans_offset
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:14:08 +0000 (15:14 -0500)]
[SCSI] hpsa: factor out hpsa_wait_for_mode_change_ack
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:14:03 +0000 (15:14 -0500)]
[SCSI] hpsa: mark hpsa_mark_hpsa_put_ctlr_into_performant_mode as __devinit
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:13:58 +0000 (15:13 -0500)]
[SCSI] hpsa: clean up debug ifdefs
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:13:53 +0000 (15:13 -0500)]
[SCSI] hpsa: check that simple mode is supported
before trying to enter simple mode transport method.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:13:48 +0000 (15:13 -0500)]
[SCSI] hpsa: factor out hpsa_enter_simple_mode
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:13:43 +0000 (15:13 -0500)]
[SCSI] hpsa: factor out hpsa_p600_dma_prefetch_quirk
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:13:38 +0000 (15:13 -0500)]
[SCSI] hpsa: factor out hpsa_enable_scsi_prefetch
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:13:32 +0000 (15:13 -0500)]
[SCSI] hpsa: factor out hpsa-CISS-signature-present
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:13:27 +0000 (15:13 -0500)]
[SCSI] hpsa: hpsa factor out hpsa_find_board_params
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:13:22 +0000 (15:13 -0500)]
[SCSI] hpsa: fix leak of ioremapped memory in hpsa_pci_init error path.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:13:17 +0000 (15:13 -0500)]
[SCSI] hpsa: factor out hpsa_find_cfgtables
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:13:12 +0000 (15:13 -0500)]
[SCSI] hpsa: factor out hpsa_wait_for_board_ready
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:13:07 +0000 (15:13 -0500)]
[SCSI] hpsa: factor out hpsa_find_memory_BAR
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:13:02 +0000 (15:13 -0500)]
[SCSI] hpsa: remove redundant board_id parameter from hpsa_interrupt_mode
and delete duplicated comment
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:12:57 +0000 (15:12 -0500)]
[SCSI] hpsa: factor out hpsa_board_disabled
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:12:52 +0000 (15:12 -0500)]
[SCSI] hpsa: factor out hpsa_lookup_board_id
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Stephen M. Cameron [Thu, 27 May 2010 20:12:46 +0000 (15:12 -0500)]
[SCSI] hpsa: save pdev pointer in per hba structure early to avoid passing it around so much.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Julia Lawall [Thu, 27 May 2010 12:33:47 +0000 (14:33 +0200)]
[SCSI] hptiop: Eliminate a NULL pointer dereference
The end of the function is reachable both when host is and is not NULL.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@r exists@
expression E,E1;
identifier f;
statement S1,S2,S3;
@@
if ((E == NULL && ...) || ...)
{
... when != if (...) S1 else S2
when != E = E1
* E->f
... when any
return ...;
}
else S3
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Ryan Kuester [Mon, 26 Apr 2010 23:11:54 +0000 (18:11 -0500)]
[SCSI] mptsas: fix hangs caused by ATA pass-through
I may have an explanation for the LSI 1068 HBA hangs provoked by ATA
pass-through commands, in particular by smartctl.
First, my version of the symptoms. On an LSI SAS1068E B3 HBA running
01.29.00.00 firmware, with SATA disks, and with smartd running, I'm seeing
occasional task, bus, and host resets, some of which lead to hard faults of
the HBA requiring a reboot. Abusively looping the smartctl command,
# while true; do smartctl -a /dev/sdb > /dev/null; done
dramatically increases the frequency of these failures to nearly one per
minute. A high IO load through the HBA while looping smartctl seems to
improve the chance of a full scsi host reset or a non-recoverable hang.
I reduced what smartctl was doing down to a simple test case which
causes the hang with a single IO when pointed at the sd interface. See
the code at the bottom of this e-mail. It uses an SG_IO ioctl to issue
a single pass-through ATA identify device command. If the buffer
userspace gives for the read data has certain alignments, the task is
issued to the HBA but the HBA fails to respond. If run against the sg
interface, neither the test code nor smartctl causes a hang.
sd and sg handle the SG_IO ioctl slightly differently. Unless you
specifically set a flag to do direct IO, sg passes a buffer of its own,
which is page-aligned, to the block layer and later copies the result
into the userspace buffer regardless of its alignment. sd, on the other
hand, always does direct IO unless the userspace buffer fails an
alignment test at block/blk-map.c line 57, in which case a page-aligned
buffer is created and used for the transfer.
The alignment test currently checks for word-alignment, the default
setup by scsi_lib.c; therefore, userspace buffers of almost any
alignment are given directly to the HBA as DMA targets. The LSI 1068
hardware doesn't seem to like at least a couple of the alignments which
cross a page boundary (see the test code below). Curiously, many
page-boundary-crossing alignments do work just fine.
So, either the hardware has an bug handling certain alignments or the
hardware has a stricter alignment requirement than the driver is
advertising. If stricter alignment is required, then in no case should
misaligned buffers from userspace be allowed through without being
bounced or at least causing an error to be returned.
It seems the mptsas driver could use blk_queue_dma_alignment() to advertise
a stricter alignment requirement. If it does, sd does the right thing and
bounces misaligned buffers (see block/blk-map.c line 57). The following
patch to 2.6.34-rc5 makes my symptoms go away. I'm sure this is the wrong
place for this code, but it gets my idea across.
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Eric Moore [Thu, 22 Apr 2010 16:47:40 +0000 (10:47 -0600)]
[SCSI] mpt2sas: DIF Type 2 Protection Support
Adding DIF Type 2 protection support, as well as turning on 32 byte cdb's,
and setting the cdb length for > 16 byte in the SCSI_IO->control parameter.
Signed-off-by: Martin Petersen <martin.petersen@oracle.com>
Signed-off-by: Eric Moore <eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Anton Blanchard [Tue, 13 Jul 2010 04:59:29 +0000 (14:59 +1000)]
[SCSI] ibmvscsi: Fix oops when an interrupt is pending during probe
A driver needs to be ready to take an interrupt as soon as it registers
an interrupt handler. I noticed the following oops when testing kdump:
ipr: IBM Power RAID SCSI Device Driver version: 2.5.0 (February 11, 2010)
ibmvscsi
30000002: SRP_VERSION: 16.a
ibmvscsi
30000002: SRP_VERSION: 16.a
Unable to handle kernel paging request for data at address 0x00000000
...
pc:
c000000004085e34: .tasklet_action+0xf4/0x1dc
...
c000000004086fe4 .__do_softirq+0x16c/0x2c0
c00000000403138c .call_do_softirq+0x14/0x24
c00000000400ee14 .do_softirq+0xa0/0x104
c00000000408690c .irq_exit+0x70/0xd0
c00000000400f190 .do_IRQ+0x214/0x2a8
c000000004004804 hardware_interrupt_entry+0x1c/0x98
--- Exception: 501 (Hardware Interrupt) at
c00000000400c544 .raw_local_irq_restore+0x48/0x54
c00000000465d2a8 ._raw_spin_unlock_irqrestore+0x74/0xa0
c0000000040e7f00 .__setup_irq+0x2ec/0x3f0
c0000000040e8198 .request_threaded_irq+0x194/0x22c
c00000000446d854 .rpavscsi_init_crq_queue+0x284/0x3f0
c00000000446c764 .ibmvscsi_probe+0x688/0x710
c00000000402903c .vio_bus_probe+0x37c/0x3e4
c000000004403f10 .driver_probe_device+0xec/0x1b8
c000000004404088 .__driver_attach+0xac/0xf4
c000000004403184 .bus_for_each_dev+0x98/0x104
c000000004403c98 .driver_attach+0x40/0x60
c0000000044026f0 .bus_add_driver+0x154/0x324
c0000000044045d0 .driver_register+0xe8/0x1ac
c00000000402b2a8 .vio_register_driver+0x54/0x74
c000000004933ea4 .ibmvscsi_module_init+0x80/0xc0
c000000004009834 .do_one_initcall+0x98/0x1d8
c0000000049005b4 .kernel_init+0x27c/0x33c
c000000004031550 .kernel_thread+0x54/0x70
srp_task needs to be setup before request_irq. The patch below fixes the oops.
Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Christof Schmitt [Mon, 21 Jun 2010 08:11:33 +0000 (10:11 +0200)]
[SCSI] zfcp: Update status read mempool
Commit
64deb6efdc5504ce97b5c1c6f281fffbc150bd93 changed the way status
read buffers are handled but forgot to adjust the mempool to the new
size. Add the call to resize the mempool after the exchange config
data. Also use the define instead of the hard coded number in the fsf
callback for consistency.
Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Christof Schmitt [Mon, 21 Jun 2010 08:11:32 +0000 (10:11 +0200)]
[SCSI] zfcp: Do not wait for SBALs on stopped queue
Trying to read the FC host statistics on an offline adapter results in
a 5 seconds wait. Reading the statistics tries to issue an exchange
port data request which first waits up to 5 seconds for an entry in
the request queue.
Change the strategy for getting a free SBAL to exit when the queue is
stopped. Reading the statistics will then fail without the wait.
Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Swen Schillig [Mon, 21 Jun 2010 08:11:31 +0000 (10:11 +0200)]
[SCSI] zfcp: Fix check whether unchained ct_els is possible
A false check was performed whether an unchained ct_els
is possible or not.
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Wayne Boyer [Thu, 3 Jun 2010 23:02:21 +0000 (16:02 -0700)]
[SCSI] ipr: fix resource path display and formatting
It was possible to overflow the buffer used to print out the formatted
version of the resource path. The fix is to limit the number of
bytes that get formatted.
This patch also updates the ipr_show_resource_path function to display the
resource address for devices that are attached to adapters that don't
support resource paths.
Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Linus Torvalds [Sat, 12 Jun 2010 02:14:04 +0000 (19:14 -0700)]
Linux 2.6.35-rc3
Linus Torvalds [Fri, 11 Jun 2010 21:20:03 +0000 (14:20 -0700)]
Merge git://git./linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
wimax/i2400m: fix missing endian correction read in fw loader
net8139: fix a race at the end of NAPI
pktgen: Fix accuracy of inter-packet delay.
pkt_sched: gen_estimator: add a new lock
net: deliver skbs on inactive slaves to exact matches
ipv6: fix ICMP6_MIB_OUTERRORS
r8169: fix mdio_read and update mdio_write according to hw specs
gianfar: Revive the driver for eTSEC devices (disable timestamping)
caif: fix a couple range checks
phylib: Add support for the LXT973 phy.
net: Print num_rx_queues imbalance warning only when there are allocated queues
Linus Torvalds [Fri, 11 Jun 2010 21:19:45 +0000 (14:19 -0700)]
Merge branch 'pm-fixes' of git://git./linux/kernel/git/rafael/suspend-2.6
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
PM / x86: Save/restore MISC_ENABLE register
Linus Torvalds [Fri, 11 Jun 2010 21:18:47 +0000 (14:18 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/mason/btrfs-unstable
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
Btrfs: The file argument for fsync() is never null
Btrfs: handle ERR_PTR from posix_acl_from_xattr()
Btrfs: avoid BUG when dropping root and reference in same transaction
Btrfs: prohibit a operation of changing acl's mask when noacl mount option used
Btrfs: should add a permission check for setfacl
Btrfs: btrfs_lookup_dir_item() can return ERR_PTR
Btrfs: btrfs_read_fs_root_no_name() returns ERR_PTRs
Btrfs: unwind after btrfs_start_transaction() errors
Btrfs: btrfs_iget() returns ERR_PTR
Btrfs: handle kzalloc() failure in open_ctree()
Btrfs: handle error returns from btrfs_lookup_dir_item()
Btrfs: Fix BUG_ON for fs converted from extN
Btrfs: Fix null dereference in relocation.c
Btrfs: fix remap_file_pages error
Btrfs: uninitialized data is check_path_shared()
Btrfs: fix fallocate regression
Btrfs: fix loop device on top of btrfs
Linus Torvalds [Fri, 11 Jun 2010 21:15:44 +0000 (14:15 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCI: clear bridge resource range if BIOS assigned bad one
PCI: hotplug/cpqphp, fix NULL dereference
Revert "PCI: create function symlinks in /sys/bus/pci/slots/N/"
PCI: change resource collision messages from KERN_ERR to KERN_INFO
Yinghai Lu [Thu, 3 Jun 2010 20:43:03 +0000 (13:43 -0700)]
PCI: clear bridge resource range if BIOS assigned bad one
Yannick found that video does not work with 2.6.34. The cause of this
bug was that the BIOS had assigned the wrong range to the PCI bridge
above the video device. Before 2.6.34 the kernel would have shrunk
the size of the bridge window, but since
d65245c PCI: don't shrink bridge resources
the kernel will avoid shrinking BIOS ranges.
So zero out the old range if we fail to claim it at boot time; this will
cause us to allocate a new range at startup, restoring the 2.6.34
behavior.
Fixes regression https://bugzilla.kernel.org/show_bug.cgi?id=16009.
Reported-by: Yannick <yannick.roehlly@free.fr>
Acked-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Jiri Slaby [Wed, 9 Jun 2010 20:31:13 +0000 (22:31 +0200)]
PCI: hotplug/cpqphp, fix NULL dereference
There are devices out there which are PCI Hot-plug controllers with
compaq PCI IDs, but are not bridges, hence have pdev->subordinate
NULL. But cpqphp expects the pointer to be non-NULL.
Add a check to the probe function to avoid oopses like:
BUG: unable to handle kernel NULL pointer dereference at
00000050
IP: [<
f82e3c41>] cpqhpc_probe+0x951/0x1120 [cpqphp]
*pdpt =
0000000033779001 *pde =
0000000000000000
...
The device here was:
00:0b.0 PCI Hot-plug controller [0804]: Compaq Computer Corporation PCI Hotplug Controller [0e11:a0f7] (rev 11)
Subsystem: Compaq Computer Corporation Device [0e11:a2f8]
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Jesse Barnes [Fri, 11 Jun 2010 20:08:37 +0000 (13:08 -0700)]
Revert "PCI: create function symlinks in /sys/bus/pci/slots/N/"
This reverts commit
75568f8094eb0333e9c2109b23cbc8b82d318a3c.
Since they're just a convenience anyway, remove these symlinks since
they're causing duplicate filename errors in the wild.
Acked-by: Alex Chiang <achiang@canonical.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Bjorn Helgaas [Thu, 3 Jun 2010 19:47:18 +0000 (13:47 -0600)]
PCI: change resource collision messages from KERN_ERR to KERN_INFO
We can often deal with PCI resource issues by moving devices around. In
that case, there's no point in alarming the user with messages like these.
There are many bug reports where the message itself is the only problem,
e.g., https://bugs.launchpad.net/ubuntu/+source/linux/+bug/413419 .
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Dan Carpenter [Sat, 29 May 2010 09:49:07 +0000 (09:49 +0000)]
Btrfs: The file argument for fsync() is never null
The "file" argument for fsync is never null so we can remove this check.
What drew my attention here is that
7ea8085910e: "drop unused dentry
argument to ->fsync" introduced an unconditional dereference at the
start of the function and that generated a smatch warning.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Dan Carpenter [Sat, 29 May 2010 09:48:35 +0000 (09:48 +0000)]
Btrfs: handle ERR_PTR from posix_acl_from_xattr()
posix_acl_from_xattr() returns both ERR_PTRs and null, but it's OK to
pass null values to set_cached_acl()
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Sage Weil [Mon, 17 May 2010 17:15:27 +0000 (17:15 +0000)]
Btrfs: avoid BUG when dropping root and reference in same transaction
If btrfs_ioctl_snap_destroy() deletes a snapshot but finishes
with end_transaction(), the cleaner kthread may come in and
drop the root in the same transaction. If that's the case, the
root's refs still == 1 in the tree when btrfs_del_root() deletes
the item, because commit_fs_roots() hasn't updated it yet (that
happens during the commit).
This wasn't a problem before only because
btrfs_ioctl_snap_destroy() would commit the transaction before dropping
the dentry reference, so the dead root wouldn't get queued up until
after the fs root item was updated in the btree.
Since it is not an error to drop the root reference and the root in the
same transaction, just drop the BUG_ON() in btrfs_del_root().
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Shi Weihua [Tue, 18 May 2010 00:51:54 +0000 (00:51 +0000)]
Btrfs: prohibit a operation of changing acl's mask when noacl mount option used
when used Posix File System Test Suite(pjd-fstest) to test btrfs,
some cases about setfacl failed when noacl mount option used.
I simplified used commands in pjd-fstest, and the following steps
can reproduce it.
------------------------
# cd btrfs-part/
# mkdir aaa
# setfacl -m m::rw aaa <- successed, but not expected by pjd-fstest.
------------------------
I checked ext3, a warning message occured, like as:
setfacl: aaa/: Operation not supported
Certainly, it's expected by pjd-fstest.
So, i compared acl.c of btrfs and ext3. Based on that, a patch created.
Fortunately, it works.
Signed-off-by: Shi Weihua <shiwh@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Shi Weihua [Tue, 18 May 2010 00:50:32 +0000 (00:50 +0000)]
Btrfs: should add a permission check for setfacl
On btrfs, do the following
------------------
# su user1
# cd btrfs-part/
# touch aaa
# getfacl aaa
# file: aaa
# owner: user1
# group: user1
user::rw-
group::rw-
other::r--
# su user2
# cd btrfs-part/
# setfacl -m u::rwx aaa
# getfacl aaa
# file: aaa
# owner: user1
# group: user1
user::rwx <- successed to setfacl
group::rw-
other::r--
------------------
but we should prohibit it that user2 changing user1's acl.
In fact, on ext3 and other fs, a message occurs:
setfacl: aaa: Operation not permitted
This patch fixed it.
Signed-off-by: Shi Weihua <shiwh@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Dan Carpenter [Sat, 29 May 2010 09:47:24 +0000 (09:47 +0000)]
Btrfs: btrfs_lookup_dir_item() can return ERR_PTR
btrfs_lookup_dir_item() can return either ERR_PTRs or null.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Dan Carpenter [Sat, 29 May 2010 09:44:10 +0000 (09:44 +0000)]
Btrfs: btrfs_read_fs_root_no_name() returns ERR_PTRs
btrfs_read_fs_root_no_name() returns ERR_PTRs on error so I added a
check for that. It's not clear to me if it can also return NULL
pointers or not so I left the original NULL pointer check as is.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Dan Carpenter [Sat, 29 May 2010 09:46:47 +0000 (09:46 +0000)]
Btrfs: unwind after btrfs_start_transaction() errors
This was added by
a22285a6a3: "Btrfs: Integrate metadata reservation
with start_transaction". If we goto out here then we skip all the
unwinding and there are locks still held etc.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Dan Carpenter [Sat, 29 May 2010 09:42:19 +0000 (09:42 +0000)]
Btrfs: btrfs_iget() returns ERR_PTR
btrfs_iget() returns an ERR_PTR() on failure and not null.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Dan Carpenter [Sat, 29 May 2010 09:43:07 +0000 (09:43 +0000)]
Btrfs: handle kzalloc() failure in open_ctree()
Unwind and return -ENOMEM if the allocation fails here.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Dan Carpenter [Sat, 29 May 2010 09:40:57 +0000 (09:40 +0000)]
Btrfs: handle error returns from btrfs_lookup_dir_item()
If btrfs_lookup_dir_item() fails, we should can just let the mount fail
with an error.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Yan, Zheng [Mon, 31 May 2010 09:04:46 +0000 (09:04 +0000)]
Btrfs: Fix BUG_ON for fs converted from extN
Tree blocks can live in data block groups in FS converted from extN.
So it's easy to trigger the BUG_ON.
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Yan, Zheng [Mon, 31 May 2010 08:58:47 +0000 (08:58 +0000)]
Btrfs: Fix null dereference in relocation.c
Fix a potential null dereference in relocation.c
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Acked-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
David S. Miller [Fri, 11 Jun 2010 19:38:23 +0000 (12:38 -0700)]
Merge branch 'wimax-2.6.35.y' of git://git./linux/kernel/git/inaky/wimax
Inaky Perez-Gonzalez [Fri, 11 Jun 2010 18:51:20 +0000 (11:51 -0700)]
wimax/i2400m: fix missing endian correction read in fw loader
i2400m_fw_hdr_check() was accessing hardware field
bcf_hdr->module_type (little endian 32) without converting to host
byte sex.
Reported-by: Данилин Михаил <mdanilin@nsg.net.ru>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Linus Torvalds [Fri, 11 Jun 2010 16:55:50 +0000 (09:55 -0700)]
Merge branch 'rc-fixes' of git://git./linux/kernel/git/mmarek/kbuild-2.6
* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
kbuild: Create output directory in Makefile.modbuiltin
kbuild: Generate modules.builtin in make modules
Linus Torvalds [Fri, 11 Jun 2010 16:55:21 +0000 (09:55 -0700)]
Merge branch 'urgent' of git://git./linux/kernel/git/brodo/pcmcia-2.6
* 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6:
pcmcia: avoid validate_cis failure on CIS override
pcmcia: dev_node removal bugfix
pcmcia: yenta_socket.c Remove extra #ifdef CONFIG_YENTA_TI
pcmcia: only keep saved I365_CSCINT flag if there is no PCI irq
Linus Torvalds [Fri, 11 Jun 2010 16:52:23 +0000 (09:52 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/sage/ceph-client
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
ceph: try to send partial cap release on cap message on missing inode
ceph: release cap on import if we don't have the inode
ceph: fix misleading/incorrect debug message
ceph: fix atomic64_t initialization on ia64
ceph: fix lease revocation when seq doesn't match
ceph: fix f_namelen reported by statfs
ceph: fix memory leak in statfs
ceph: fix d_subdirs ordering problem
Miao Xie [Thu, 20 May 2010 07:21:50 +0000 (07:21 +0000)]
Btrfs: fix remap_file_pages error
when we use remap_file_pages() to remap a file, remap_file_pages always return
error. It is because btrfs didn't set VM_CAN_NONLINEAR for vma.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Dan Carpenter [Tue, 1 Jun 2010 08:23:11 +0000 (08:23 +0000)]
Btrfs: uninitialized data is check_path_shared()
refs can be used with uninitialized data if btrfs_lookup_extent_info()
fails on the first pass through the loop. In the original code if that
happens then check_path_shared() probably returns 1, this patch
changes it to return 1 for safety.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Josef Bacik [Mon, 7 Jun 2010 18:26:37 +0000 (18:26 +0000)]
Btrfs: fix fallocate regression
Seems that when btrfs_fallocate was converted to use the new ENOSPC stuff we
dropped passing the mode to the function that actually does the preallocation.
This breaks anybody who wants to use FALLOC_FL_KEEP_SIZE. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Miao Xie [Mon, 7 Jun 2010 03:38:51 +0000 (03:38 +0000)]
Btrfs: fix loop device on top of btrfs
We cannot use the loop device which has been connected to a file in the btrf
The reproduce steps is following:
# dd if=/dev/zero of=vdev0 bs=1M count=1024
# losetup /dev/loop0 vdev0
# mkfs.btrfs /dev/loop0
...
failed to zero device start -5
The reason is that the btrfs don't implement either ->write_begin or ->write
the VFS API, so we fix it by setting ->write to do_sync_write().
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Figo.zhang [Mon, 7 Jun 2010 21:13:22 +0000 (21:13 +0000)]
net8139: fix a race at the end of NAPI
fix a race at the end of NAPI complete processing, it had
better do __napi_complete() first before re-enable interrupt.
Signed-off-by:Figo.zhang <figo1802@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Turull [Fri, 11 Jun 2010 06:08:11 +0000 (23:08 -0700)]
pktgen: Fix accuracy of inter-packet delay.
This patch correct a bug in the delay of pktgen.
It makes sure the inter-packet interval is accurate.
Signed-off-by: Daniel Turull <daniel.turull@gmail.com>
Signed-off-by: Robert Olsson <robert.olsson@its.uu.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Tue, 8 Jun 2010 23:39:10 +0000 (23:39 +0000)]
pkt_sched: gen_estimator: add a new lock
gen_kill_estimator() / gen_new_estimator() is not always called with
RTNL held.
net/netfilter/xt_RATEEST.c is one user of these API that do not hold
RTNL, so random corruptions can occur between "tc" and "iptables".
Add a new fine grained lock instead of trying to use RTNL in netfilter.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
John Fastabend [Thu, 3 Jun 2010 09:30:11 +0000 (09:30 +0000)]
net: deliver skbs on inactive slaves to exact matches
Currently, the accelerated receive path for VLAN's will
drop packets if the real device is an inactive slave and
is not one of the special pkts tested for in
skb_bond_should_drop(). This behavior is different then
the non-accelerated path and for pkts over a bonded vlan.
For example,
vlanx -> bond0 -> ethx
will be dropped in the vlan path and not delivered to any
packet handlers at all. However,
bond0 -> vlanx -> ethx
and
bond0 -> ethx
will be delivered to handlers that match the exact dev,
because the VLAN path checks the real_dev which is not a
slave and netif_recv_skb() doesn't drop frames but only
delivers them to exact matches.
This patch adds a sk_buff flag which is used for tagging
skbs that would previously been dropped and allows the
skb to continue to skb_netif_recv(). Here we add
logic to check for the deliver_no_wcard flag and if it
is set only deliver to handlers that match exactly. This
makes both paths above consistent and gives pkt handlers
a way to identify skbs that come from inactive slaves.
Without this patch in some configurations skbs will be
delivered to handlers with exact matches and in others
be dropped out right in the vlan path.
I have tested the following 4 configurations in failover modes
and load balancing modes.
# bond0 -> ethx
# vlanx -> bond0 -> ethx
# bond0 -> vlanx -> ethx
# bond0 -> ethx
|
vlanx -> --
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sage Weil [Wed, 9 Jun 2010 23:52:04 +0000 (16:52 -0700)]
ceph: try to send partial cap release on cap message on missing inode
If we have enough memory to allocate a new cap release message, do so, so
that we can send a partial release message immediately. This keeps us from
making the MDS wait when the cap release it needs is in a partially full
release message.
If we fail because of ENOMEM, oh well, they'll just have to wait a bit
longer.
Signed-off-by: Sage Weil <sage@newdream.net>
Sage Weil [Wed, 9 Jun 2010 23:47:10 +0000 (16:47 -0700)]
ceph: release cap on import if we don't have the inode
If we get an IMPORT that give us a cap, but we don't have the inode, queue
a release (and try to send it immediately) so that the MDS doesn't get
stuck waiting for us.
Signed-off-by: Sage Weil <sage@newdream.net>
Sage Weil [Thu, 10 Jun 2010 20:21:20 +0000 (13:21 -0700)]
ceph: fix misleading/incorrect debug message
Nothing is released here: the caps message is simply ignored in this case.
Signed-off-by: Sage Weil <sage@newdream.net>
Jeff Mahoney [Thu, 10 Jun 2010 15:13:58 +0000 (11:13 -0400)]
ceph: fix atomic64_t initialization on ia64
bdi_seq is an atomic_long_t but we're using ATOMIC_INIT, which causes
build failures on ia64. This patch fixes it to use ATOMIC_LONG_INIT.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Sage Weil <sage@newdream.net>
Catalin Marinas [Thu, 10 Jun 2010 16:02:12 +0000 (17:02 +0100)]
sata_sil24: Use memory barriers before issuing commands
The data in the cmd_block buffers may reach the main memory after the
writel() to the device ports. This patch introduces two calls to wmb()
to ensure the relative ordering.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Colin Tuckley <colin.tuckley@arm.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Dan Carpenter [Wed, 9 Jun 2010 12:01:54 +0000 (14:01 +0200)]
sata_sil24: memset() overflow
cb->atapi.cdb is an array of 16 u8 elements. The call too memset()
would set the first part of the sge array to zero as well. It's not
a packed struct.
This one has been around for five years. I found it with Smatch. I
think the reason no one has seen it before is because we normally call
sil24_fill_sg() and that overwrites sge with proper information?
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Linus Torvalds [Thu, 10 Jun 2010 17:53:14 +0000 (10:53 -0700)]
Merge branch 'kvm-updates/2.6.35' of git://git./virt/kvm/kvm
* 'kvm-updates/2.6.35' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: read apic->irr with ioapic lock held
KVM: ia64: Add missing spin_unlock in kvm_arch_hardware_enable()
KVM: Fix order passed to iommu_unmap
KVM: MMU: Remove user access when allowing kernel access to gpte.w=0 page
KVM: MMU: invalidate and flush on spte small->large page size change
KVM: SVM: Implement workaround for Erratum 383
KVM: SVM: Handle MCEs early in the vmexit process
KVM: powerpc: fix init/exit annotation
Marcelo Tosatti [Wed, 2 Jun 2010 14:26:26 +0000 (11:26 -0300)]
KVM: read apic->irr with ioapic lock held
Read ioapic->irr inside ioapic->lock protected section.
KVM-Stable-Tag
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Linus Torvalds [Thu, 10 Jun 2010 17:26:42 +0000 (10:26 -0700)]
Merge branch 'for-linus2' of git://git.kernel.dk/linux-2.6-block
* 'for-linus2' of git://git.kernel.dk/linux-2.6-block:
pipe: fix check in "set size" fcntl
pipe: fix pipe buffer resizing
block: remove duplicate BUG_ON() in bd_finish_claiming()
block: bd_start_claiming cleanup
block: bd_start_claiming fix module refcount
Miklos Szeredi [Wed, 9 Jun 2010 07:27:57 +0000 (09:27 +0200)]
pipe: fix check in "set size" fcntl
As it stands this check compares the number of pages to the page size.
This makes no sense and makes the fcntl fail in almost any sane case.
Fix it by checking if nr_pages is not zero (it can become zero only if
arg is too big and round_pipe_size() overflows).
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Miklos Szeredi [Tue, 8 Jun 2010 14:28:45 +0000 (16:28 +0200)]
pipe: fix pipe buffer resizing
pipe_set_size() needs to copy pipe bufs from the old circular buffer
to the new.
The current code gets this wrong in multiple ways, resulting in oops.
Test program is available here:
http://www.kernel.org/pub/linux/kernel/people/mszeredi/piperesize/
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Jens Axboe [Mon, 7 Jun 2010 18:17:38 +0000 (20:17 +0200)]
block: remove duplicate BUG_ON() in bd_finish_claiming()
We do the same BUG_ON() just a line later when calling into
__bd_abort_claiming().
Reported-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Nick Piggin [Tue, 25 May 2010 15:51:19 +0000 (01:51 +1000)]
block: bd_start_claiming cleanup
I don't like the subtle multi-context code in bd_claim (ie. detects where it
has been called based on bd_claiming). It seems clearer to just require a new
function to finish a 2-part claim.
Also improve commentary in bd_start_claiming as to how it should
be used.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Nick Piggin [Tue, 25 May 2010 15:50:21 +0000 (01:50 +1000)]
block: bd_start_claiming fix module refcount
bd_start_claiming has an unbalanced module_put introduced in
6b4517a79.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Linus Torvalds [Thu, 10 Jun 2010 16:34:15 +0000 (09:34 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: sound/spi: patch for the unuseful variable removal
ALSA: hda - Add SSID table for iMac7,1.
ALSA: hda - Add SSID table for MacBookAir1,1
ALSA: hda - Add SSID table for MacBookAir2,1
ALSA: atmel: set "channel A event" output to debug
Linus Torvalds [Thu, 10 Jun 2010 16:30:09 +0000 (09:30 -0700)]
Merge branch 'perf-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
tracing: Fix null pointer deref with SEND_SIG_FORCED
perf: Fix signed comparison in perf_adjust_period()
powerpc/oprofile: fix potential buffer overrun in op_model_cell.c
perf symbols: Set the DSO long name when using symbol_conf.vmlinux_name
Linus Torvalds [Thu, 10 Jun 2010 14:35:41 +0000 (07:35 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: 6164/1: Add kto and kfrom to input operands list.
ARM: 6166/1: Proper prefetch abort handling on pre-ARMv6
ARM: 6165/1: trap overflows on highmem pages from kmap_atomic when debugging
ARM: 6152/1: ux500 make it possible to disable localtimers
[ARM] pxa/spitz: Correctly register WM8750
[ARM] pxa/palmtc: storage class should be before const qualifier
ARM: 6146/1: sa1111: Prevent deadlock in resume path
ARM: 6145/1: ux500 MTU clockrate correction
ARM: 6144/1: TCM memory bug freeing bug
ARM: VFP: Fix vfp_put_double() for d16-d31
Michal Marek [Thu, 10 Jun 2010 10:23:08 +0000 (12:23 +0200)]
kbuild: Create output directory in Makefile.modbuiltin
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Takashi Iwai [Thu, 10 Jun 2010 09:08:53 +0000 (11:08 +0200)]
Merge branch 'fix/misc' into for-linus
Eric Dumazet [Mon, 7 Jun 2010 22:24:44 +0000 (22:24 +0000)]
ipv6: fix ICMP6_MIB_OUTERRORS
In commit
1f8438a85366 (icmp: Account for ICMP out errors), I did a typo
on IPV6 side, using ICMP6_MIB_OUTMSGS instead of ICMP6_MIB_OUTERRORS
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Timo Teräs [Thu, 10 Jun 2010 00:31:48 +0000 (17:31 -0700)]
r8169: fix mdio_read and update mdio_write according to hw specs
Realtek confirmed that a 20us delay is needed after mdio_read and
mdio_write operations. Reduce the delay in mdio_write, and add it
to mdio_read too. Also add a comment that the 20us is from hw specs.
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Wed, 9 Jun 2010 23:28:25 +0000 (16:28 -0700)]
Merge branch 'num_rx_queues' of git://kernel.ubuntu.com/rtg/net-2.6
Anton Vorontsov [Wed, 9 Jun 2010 23:27:08 +0000 (16:27 -0700)]
gianfar: Revive the driver for eTSEC devices (disable timestamping)
Since commit
cc772ab7cdcaa24d1fae332d92a1602788644f7a ("gianfar: Add
hardware RX timestamping support"), the driver no longer works on
at least MPC8313ERDB and MPC8568EMDS boards (and possibly much more
boards as well).
That's how MPC8313 Reference Manual describes RCTRL_TS_ENABLE bit:
Timestamp incoming packets as padding bytes. PAL field is set
to 8 if the PAL field is programmed to less than 8. Must be set
to zero if TMR_CTRL[TE]=0.
I see that the commit above sets this bit, but it doesn't handle
TMR_CTRL. Manfred probably had this bit set by the firmware for
his boards. But obviously this isn't true for all boards in the
wild.
Also, I recall that Freescale BSPs were explicitly disabling the
timestamping because of a performance drop.
For now, the best way to deal with this is just disable the
timestamping, and later we can discuss proper device tree bindings
and implement enabling this feature via some property.
Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dan Carpenter [Mon, 7 Jun 2010 04:51:58 +0000 (04:51 +0000)]
caif: fix a couple range checks
The extra ! character means that these conditions are always false.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Richard Cochran [Mon, 7 Jun 2010 05:39:32 +0000 (05:39 +0000)]
phylib: Add support for the LXT973 phy.
This patch implements a work around for Erratum 5, "3.3 V Fiber Speed
Selection." If the hardware wiring does not respect this erratum, then
fiber optic mode will not work properly.
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michal Marek [Mon, 7 Jun 2010 20:22:12 +0000 (22:22 +0200)]
kbuild: Generate modules.builtin in make modules
Generating the file in make modules_install was broken as well, because
it didn't work in a readonly filesystem and otherwise it generated a
root-owned file which is not wanted.
Reported-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Tim Gardner [Tue, 8 Jun 2010 23:51:27 +0000 (17:51 -0600)]
net: Print num_rx_queues imbalance warning only when there are allocated queues
BugLink: http://bugs.launchpad.net/bugs/591416
There are a number of network drivers (bridge, bonding, etc) that are not yet
receive multi-queue enabled and use alloc_netdev(), so don't print a
num_rx_queues imbalance warning in that case.
Also, only print the warning once for those drivers that _are_ multi-queue
enabled.
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Linus Torvalds [Wed, 9 Jun 2010 19:44:19 +0000 (12:44 -0700)]
Merge git://git./linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits)
mac80211: fix deauth before assoc
iwlwifi: add missing rcu_read_lock
mac80211: fix function pointer check
wireless: remove my name from the maintainer list
ath5k: fix NULL pointer in antenna configuration
p54usb: Add device ID for Dell WLA3310 USB
wl1251: fix a memory leak in probe
ipmr: dont corrupt lists
8139too: fix buffer overrun in rtl8139_init_board
asix: check packet size against mtu+ETH_HLEN instead of ETH_FRAME_LEN
r8169: fix random mdio_write failures
ip6mr: fix a typo in ip6mr_for_each_table()
iwlwifi: move sysfs_create_group to post request firmware
iwlwifi: add name to Maintainers list
iwl3945: fix internal scan
iwl3945: enable stuck queue detection on 3945
ipv6: avoid high order allocations
ath5k: retain promiscuous setting
ath5k: depend on CONFIG_PM_SLEEP for suspend/resume functions
mac80211: process station blockack action frames from work
...
Linus Torvalds [Wed, 9 Jun 2010 19:43:04 +0000 (12:43 -0700)]
Merge branch 'for-2.6.35' of git://linux-nfs.org/~bfields/linux
* 'for-2.6.35' of git://linux-nfs.org/~bfields/linux:
nfsd4: shut down callback queue outside state lock
nfsd: nfsd_setattr needs to call commit_metadata
David Howells [Wed, 9 Jun 2010 18:52:22 +0000 (19:52 +0100)]
FRV: Reinstate null behaviour for the GDB remote protocol 'p' command
Reinstate the null behaviour that the in-kernel gdbstub had for the GDB
remote protocol 'p' command (retrieve a single register value) prior to
commit
7ca8b9c0dafd ("frv: extend gdbstub to support more features of
gdb").
Before that, the 'p' command just returned an empty reply, which causes
gdb to then go and use the 'g' command. However, since that commit, the
'p' command returns an error string, which causes gdb to abort its
connection to the target.
Not all gdb versions are affected, some use try 'g' first, and if that
works, don't bother with 'p', and so don't see the error.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
David S. Miller [Wed, 9 Jun 2010 18:13:23 +0000 (11:13 -0700)]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-2.6
Linus Torvalds [Wed, 9 Jun 2010 16:45:46 +0000 (09:45 -0700)]
Merge branch 'msm-urgent' of git://codeaurora.org/quic/kernel/dwalker/linux-msm
* 'msm-urgent' of git://codeaurora.org/quic/kernel/dwalker/linux-msm:
mmc: msm: fix compile error on MSM7x30
msm: dma: add completion.h header
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