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bdc5c1812c
linux/drivers/xen
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Konrad Rzeszutek Wilk bdc5c1812c xen/pciback: Don't disable a PCI device that is already disabled. 
While shuting down a HVM guest with pci devices passed through we
get this:

pciback 0000:04:00.0: restoring config space at offset 0x4 (was 0x100000, writing 0x100002)
------------[ cut here ]------------
WARNING: at drivers/pci/pci.c:1397 pci_disable_device+0x88/0xa0()
Hardware name: MS-7640
Device pciback
disabling already-disabled device
Modules linked in:
Pid: 53, comm: xenwatch Not tainted 3.9.0-rc1-20130304a+ #1
Call Trace:
 [<ffffffff8106994a>] warn_slowpath_common+0x7a/0xc0
 [<ffffffff81069a31>] warn_slowpath_fmt+0x41/0x50
 [<ffffffff813cf288>] pci_disable_device+0x88/0xa0
 [<ffffffff814554a7>] xen_pcibk_reset_device+0x37/0xd0
 [<ffffffff81454b6f>] ? pcistub_put_pci_dev+0x6f/0x120
 [<ffffffff81454b8d>] pcistub_put_pci_dev+0x8d/0x120
 [<ffffffff814582a9>] __xen_pcibk_release_devices+0x59/0xa0

This fixes the bug.

CC: stable@vger.kernel.org
Reported-and-Tested-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2013-03-06 10:00:25 -05:00
..
xen-pciback xen/pciback: Don't disable a PCI device that is already disabled. 2013-03-06 10:00:25 -05:00
xenbus xenbus: fix compile failure on ARM with Xen enabled 2013-03-01 10:55:00 -05:00
xenfs userns: Convert xenfs to use kuid and kgid where appropriate 2012-09-21 03:13:06 -07:00
acpi.c
balloon.c xen: balloon: allow PVMMU interfaces to be compiled out 2012-11-29 12:59:13 +00:00
biomerge.c
cpu_hotplug.c Xen: properly bound buffer access when parsing cpu/*/availability 2013-01-15 15:57:02 -05:00
dbgp.c xen: dbgp: Fix warning when CONFIG_PCI is not enabled. 2012-10-19 15:19:37 -04:00
events.c Features: 2013-02-24 16:18:31 -08:00
evtchn.c xen: close evtchn port if binding to irq fails 2013-02-19 22:02:33 -05:00
fallback.c xen/hypercall: fix hypercall fallback code for very old hypervisors 2012-11-04 10:40:42 -05:00
features.c
gntalloc.c mm: kill vma flag VM_RESERVED and mm->reserved_vm counter 2012-10-09 16:22:19 +09:00
gntdev.c xen/gntdev: remove erronous use of copy_to_user 2013-01-15 16:02:40 -05:00
grant-table.c xen: introduce xen_remap, use it instead of ioremap 2013-02-19 22:02:34 -05:00
Kconfig xen/acpi: ACPI cpu hotplug 2013-02-19 22:02:29 -05:00
Makefile xen/acpi: ACPI cpu hotplug 2013-02-19 22:02:29 -05:00
manage.c
mcelog.c
pci.c
pcpu.c Features: 2013-02-24 16:18:31 -08:00
platform-pci.c Drivers: xen: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
privcmd.c xen/privcmd: Fix mmap batch ioctl. 2013-01-15 16:00:52 -05:00
privcmd.h
swiotlb-xen.c x86: Don't panic if can not alloc buffer for swiotlb 2013-01-29 19:36:53 -08:00
sys-hypervisor.c xen: sysfs: fix build warning. 2012-10-19 15:17:51 -04:00
tmem.c xen/tmem: Add missing %s in the printk statement. 2013-02-19 22:02:31 -05:00
xen-acpi-cpuhotplug.c xen/acpi: xen cpu hotplug minor updates 2013-02-25 07:44:29 -05:00
xen-acpi-memhotplug.c xen/acpi: xen memory hotplug minor updates 2013-02-25 07:44:21 -05:00
xen-acpi-pad.c ACPI: Remove useless type argument of driver .remove() operation 2013-01-26 00:37:24 +01:00
xen-acpi-processor.c
xen-balloon.c
xen-selfballoon.c mm: export a function to get vm committed memory 2012-11-15 15:41:22 -08:00
xen-stub.c xen/stub: driver for CPU hotplug 2013-02-19 22:02:27 -05:00
xencomm.c