amd-iommu: set event buffer head and tail to 0 manually

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These registers may contain values from previous kernels. So reset them
to known values before enable the event buffer again.

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

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Joerg Roedel 2009-06-15 16:06:48 +02:00

parent a8c485bb68

commit 09067207f6

1 changed files with 4 additions and 0 deletions

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arch/x86/kernel/amd_iommu_init.c

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