x86/amd-iommu: Improve handling of full command buffer

Browse source

This patch improved the handling of commands when the IOMMU
command buffer is nearly full. In this case it issues an
completion wait command and waits until the IOMMU has
processed it before continuing queuing new commands.

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

...

This commit is contained in:

Joerg Roedel 2011-04-06 18:38:20 +02:00

parent 17b124bf14

commit ac0ea6e92b

1 changed files with 65 additions and 23 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

88

arch/x86/kernel/amd_iommu.c

View file