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8f9f55e83e
linux/arch/x86
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Chris Wright 8f9f55e83e Revert "x86: disable IOMMUs on kernel crash" 
This effectively reverts commit 61d047be99.

Disabling the IOMMU can potetially allow DMA transactions to
complete without being translated.  Leave it enabled, and allow
crash kernel to do the IOMMU reinitialization properly.

Cc: stable@kernel.org
Cc: Joerg Roedel <joerg.roedel@amd.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2010-04-07 11:51:17 +02:00
..
boot x86: add support for LZO-compressed kernels 2010-01-11 09:34:05 -08:00
configs
crypto
ia32 x86: get rid of the insane TIF_ABI_PENDING bit 2010-01-29 08:22:01 -08:00
include/asm x86/amd-iommu: warn when issuing command to uninitialized cmd buffer 2010-04-07 11:51:15 +02:00
kernel Revert "x86: disable IOMMUs on kernel crash" 2010-04-07 11:51:17 +02:00
kvm KVM: PIT: control word is write-only 2010-02-09 19:20:15 +02:00
lguest
lib Merge branch 'iommu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent 2009-12-28 09:23:13 +01:00
math-emu
mm Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-02-11 14:01:10 -08:00
oprofile oprofile/x86: add Xeon 7500 series support 2010-01-25 15:34:53 +01:00
pci x86/PCI: remove IOH range fetching 2010-01-28 08:24:11 -08:00
power
tools Merge branch 'iommu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent 2009-12-28 09:23:13 +01:00
vdso
video
xen x86: xen: 64-bit kernel RPL should be 0 2010-01-13 11:23:54 +01:00
Kbuild
Kconfig x86: Remove "x86 CPU features in debugfs" (CONFIG_X86_CPU_DEBUG) 2010-01-23 18:27:47 -08:00
Kconfig.cpu Revert "x86: Side-step lguest problem by only building cmpxchg8b_emu for pre-Pentium" 2010-01-05 16:01:35 -08:00
Kconfig.debug Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-12-11 20:47:30 -08:00
Makefile
Makefile_32.cpu