AuxXxilium/linux_dsm_epyc7002
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1a34c06401
linux_dsm_epyc7002/include
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Dan Williams 1a34c06401 [SCSI] libsas: fix port->dev_list locking 
port->dev_list maintains a list of devices attached to a given sas root port.
It needs to be mutated under a lock as contexts outside of the
single-threaded-libsas-workqueue access the list via sas_find_dev_by_rphy().
Fixup locations where the list was being mutated without a lock.

This is a follow-up to commit 5911e963 "[SCSI] libsas: remove expander
from dev list on error", where Luben noted [1]:

    > 2/ We have unlocked list manipulations in sas_ex_discover_end_dev(),
    > sas_unregister_common_dev(), and sas_ex_discover_end_dev()

    Yes, I can see that and that is very unfortunate.

[1]: http://marc.info/?l=linux-scsi&m=131480962006471&w=2

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-10-16 10:54:02 -05:00
..
acpi Merge branch 'apei-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2011-08-03 21:53:27 -10:00
asm-generic mm: fix __page_to_pfn for a const struct page argument 2011-08-17 13:00:20 -07:00
crypto
drm drm: Separate EDID Header Check from EDID Block Check 2011-08-04 14:39:35 +01:00
keys
linux [SCSI] libsas,libata: fix ->change_queue_{depth|type} for sata devices 2011-10-02 12:30:30 -05:00
math-emu
media [media] V4L: initial driver for ov5642 CMOS sensor 2011-07-27 17:56:09 -03:00
mtd
net ipv4: route non-local sources for raw socket 2011-08-07 22:52:32 -07:00
pcmcia Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 2011-07-31 06:23:08 -10:00
rdma atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
rxrpc atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
scsi [SCSI] libsas: fix port->dev_list locking 2011-10-16 10:54:02 -05:00
sound ASoC: omap: Update e-mail address of Jarkko Nikula 2011-08-12 11:45:10 +09:00
target target: Bump version to v4.1.0-rc1-ml 2011-07-22 09:37:49 +00:00
trace Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2011-08-19 10:47:07 -07:00
video OMAP: DSS2: Remove unused opt_clock_available 2011-07-25 10:22:05 +03:00
xen xen/balloon: memory hotplug support for Xen balloon driver 2011-07-25 20:57:08 -07:00
Kbuild