x86/amd-iommu: Add core functions for pd allocation/freeing

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This patch factors some code of protection domain allocation
into seperate functions. This way the logic can be used to
allocate the passthrough domain later. As a side effect this
patch fixes an unlikely domain id leakage bug.

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

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Joerg Roedel 2009-08-26 16:52:40 +02:00

parent ac0101d396

commit 2650815fb0

1 changed files with 32 additions and 4 deletions

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arch/x86/kernel/amd_iommu.c

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