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Commit f5adc9c7 authored by Mike Waychison's avatar Mike Waychison Committed by Linus Torvalds
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[PATCH] x86_64: iommu_gart_bitmap search to cross next_bit 



Allow search for a contiguous block of iommu space to cross the next_bit
marker if we have already committed ourselves to flushing the gart.

There shouldn't be any reason why we'd restrict the search.

Signed-off-by: default avatarMike Waychison <mikew@google.com>
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent ed0a893f

arch/x86_64/kernel/pci-gart.c

+1 −1
Original line number Diff line number Diff line
@@ -93,7 +93,7 @@ static unsigned long alloc_iommu(int size) 
	offset = find_next_zero_string(iommu_gart_bitmap,next_bit,iommu_pages,size);

	if (offset == -1) {

		need_flush = 1;

	       	offset = find_next_zero_string(iommu_gart_bitmap,0,next_bit,size);

		offset = find_next_zero_string(iommu_gart_bitmap,0,iommu_pages,size);

	}

	if (offset != -1) { 

		set_bit_string(iommu_gart_bitmap, offset, size);