AMD IOMMU: add event buffer allocation

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This patch adds the allocation of a event buffer for each AMD IOMMU in
the system. The hardware will log events like device page faults or
other errors to this buffer once this is enabled.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Joerg Roedel 2008-09-05 14:29:07 +02:00 • committed by Ingo Molnar

parent 6d4f343f84

commit 335503e57b

2 changed files with 38 additions and 0 deletions

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29

arch/x86/kernel/amd_iommu_init.c

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9

include/asm-x86/amd_iommu_types.h

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