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authorAlexander Duyck <alexander.h.duyck@intel.com>2012-10-15 19:19:34 +0200
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-10-30 14:32:06 +0100
commitee3f6ba896c7e62004b677b0018a0b29b9b26472 (patch)
tree035a4d1280053dbd68a78b1b31df3d6056f94440 /drivers/xen
parentswiotlb: Make io_tlb_start a physical address instead of a virtual one (diff)
downloadlinux-ee3f6ba896c7e62004b677b0018a0b29b9b26472.tar.xz
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swiotlb: Make io_tlb_overflow_buffer a physical address
This change makes it so that we can avoid virt_to_phys overhead when using the io_tlb_overflow_buffer. My original plan was to completely remove the value and replace it with a constant but I had seen that there were recent patches that stated this couldn't be done until all device drivers that depended on that functionality be updated. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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