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OpenCloudOS-Kernel
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OpenCloudOS-Kernel/drivers/pci
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Eric W. Biederman 78b7611c4a msi: mask the msix vector before we unmap it 
With these two lines in the reverse order the drives/block/ccis.c was
oopsing in msi_free_irqs.  Silly us calling writel on an area after
we unmap it.

BUG: unable to handle kernel paging request at virtual address f8b2200c
 printing eip:
c01e9cc7
*pdpt = 0000000000003001
*pde = 0000000037e48067
*pte = 0000000000000000
Oops: 0002 [#1]
SMP
Modules linked in: cciss ipv6 parport_pc lp parport autofs4 i2c_dev i2c_core
sunrpc loop dm_multipath button battery asus_acpi ac tg3 floppy sg dm_snapshot
dm_zero dm_mirror ext3 jbd dm_mod ata_piix libata mptsas scsi_transport_sas
mptspi scsi_transport_spi mptscsih mptbase sd_mod scsi_mod
CPU:    1
EIP:    0060:[<c01e9cc7>]    Not tainted VLI
EFLAGS: 00010286   (2.6.22-rc2-gd2579053 #1)
EIP is at msi_free_irqs+0x81/0xbe
eax: f8b22000   ebx: f71f3180   ecx: f7fff280   edx: c1886eb8
esi: f7c4e800   edi: f7c4ec48   ebp: 00000002   esp: f5a0dec8
ds: 007b   es: 007b   fs: 00d8  gs: 0033  ss: 0068
Process rmmod (pid: 5286, ti=f5a0d000 task=c47d2550 task.ti=f5a0d000)
Stack: 00000002 f8b72294 00000400 f8b69ca7 f8b6bc6c 00000002 00000000 00000000
       00000000 00000000 00000000 f5a997f4 f8b69d61 f7c5a4b0 f7c4e848 f7c4e848
       f7c4e800 f7c4e800 f8b72294 f7c4e848 f8b72294 c01e3cdf f7c4e848 c024c469
Call Trace:
 [<f8b69ca7>] cciss_shutdown+0xae/0xc3 [cciss]
 [<f8b69d61>] cciss_remove_one+0xa5/0x178 [cciss]
 [<c01e3cdf>] pci_device_remove+0x16/0x35
 [<c024c469>] __device_release_driver+0x71/0x8e
 [<c024c56e>] driver_detach+0xa0/0xde
 [<c024bc5c>] bus_remove_driver+0x27/0x41
 [<c01e3ef3>] pci_unregister_driver+0xb/0x13
 [<f8b6a343>] cciss_cleanup+0xf/0x51 [cciss]
 [<c0139ced>] sys_delete_module+0x110/0x135
 [<c0104c7a>] sysenter_past_esp+0x5f/0x85

Here's a patch that just reverses the 2 lines of code as Eric suggests. Please
consider this for inclusion.

Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Chase Maupin <chase.maupin@hp.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2007-06-01 08:18:27 -07:00
..
hotplug Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
pcie Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
.gitignore Add some basic .gitignore files 2005-10-18 08:26:15 -07:00
Kconfig PCI: remove the broken PCI_MULTITHREAD_PROBE option 2007-05-02 19:02:38 -07:00
Makefile [PATCH] htirq: tidy up the htirq code 2006-10-04 07:55:30 -07:00
access.c [PATCH] severing module.h->sched.h 2006-12-04 02:00:22 -05:00
bus.c pci: do not mark exported functions as __devinit 2007-05-02 19:02:35 -07:00
hotplug.c [PATCH] driver core: replace "hotplug" by "uevent" 2006-01-04 16:18:08 -08:00
htirq.c PCI: Use pci_find_ht_capability() in drivers/pci/htirq.c 2006-12-20 10:54:42 -08:00
msi.c msi: mask the msix vector before we unmap it 2007-06-01 08:18:27 -07:00
msi.h PCI: Make some MSI-X #defines generic 2006-12-01 14:36:56 -08:00
pci-acpi.c ACPI: Disable MSI on request of FADT 2007-04-25 01:13:47 -04:00
pci-driver.c Fix more "deprecated" spellos. 2007-05-09 07:19:14 +02:00
pci-sysfs.c PCI: Free resource files in error path of pci_create_sysfs_dev_files() 2007-05-02 19:02:43 -07:00
pci.c pci: do not mark exported functions as __devinit 2007-05-02 19:02:35 -07:00
pci.h MSI: Use a list instead of the custom link structure 2007-05-02 19:02:37 -07:00
probe.c MSI: Use a list instead of the custom link structure 2007-05-02 19:02:37 -07:00
proc.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
quirks.c PCI: quirk disable MSI on via vt3351 2007-05-31 16:56:37 -07:00
remove.c PCI: add pci_stop_bus_device 2006-09-26 17:43:54 -07:00
rom.c Altix: Initial ACPI support - ROM shadowing. 2006-12-01 14:36:58 -08:00
search.c PCI: Fix pci_find_present 2007-05-31 16:56:37 -07:00
setup-bus.c pci: do not mark exported functions as __devinit 2007-05-02 19:02:35 -07:00
setup-irq.c PCI: PCI devices get assigned redundant IRQs 2007-02-16 15:30:10 -08:00
setup-res.c pci: do not mark exported functions as __devinit 2007-05-02 19:02:35 -07:00
syscall.c [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00