x86/dma: Mark iommu_pass_through as __read_mostly

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This variable is read most of the time. This patch marks it
as such. It also documents the meaning the this variable
while at it.

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

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Joerg Roedel 2009-09-01 16:00:35 +02:00

parent 37d0892c5a

commit ac0101d396

1 changed files with 8 additions and 1 deletions

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arch/x86/kernel/pci-dma.c

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