amd-iommu: set event buffer head and tail to 0 manually
authorJoerg Roedel <joerg.roedel@amd.com>
Mon, 15 Jun 2009 14:06:48 +0000 (16:06 +0200)
committerJoerg Roedel <joerg.roedel@amd.com>
Mon, 15 Jun 2009 14:06:48 +0000 (16:06 +0200)
commit09067207f6eacb7f00c8f7f0623c3696083ce042
tree96a9901b6f7164b773c89c65326bbc39ce46fa2d
parenta8c485bb6857811807d42f9fd1fde2f5f89cc5c9
amd-iommu: set event buffer head and tail to 0 manually

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>
arch/x86/kernel/amd_iommu_init.c