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(parent: e5e1f60) | patch
AMD IOMMU: enable device isolation per default
authorJoerg Roedel <joerg.roedel@amd.com>
Mon, 17 Nov 2008 14:09:20 +0000 (15:09 +0100)
committerJoerg Roedel <joerg.roedel@amd.com>
Tue, 18 Nov 2008 14:44:31 +0000 (15:44 +0100)
commit3ce1f93c6d53c3f91c3846cf66b018276c8ac2e7
treeb6dd5e06c031f03aa7c81da818e90c52569707f9tree | snapshot (tar.gz zip)
parente5e1f606ecbf67e52ebe2df5d14f8b94ec6544d0commit | diff
AMD IOMMU: enable device isolation per default

Impact: makes device isolation the default for AMD IOMMU

Some device drivers showed double-free bugs of DMA memory while testing
them with AMD IOMMU. If all devices share the same protection domain
this can lead to data corruption and data loss. Prevent this by putting
each device into its own protection domain per default.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Documentation/kernel-parameters.txt diff | blob | blame | history
arch/x86/kernel/amd_iommu_init.c diff | blob | blame | history
Motorola kernel-slsi