x86/amd-iommu: Reset command buffer on ILLEGAL_COMMAND_ERROR

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On an ILLEGAL_COMMAND_ERROR the IOMMU stops executing
further commands. This patch changes the code to handle this
case better by resetting the command buffer in the IOMMU.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

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This commit is contained in:

Joerg Roedel 2009-09-03 15:01:43 +02:00

parent 93f1cc67cf

commit a345b23b79

1 changed files with 13 additions and 2 deletions

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arch/x86/kernel/amd_iommu.c

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