arch/x86_64/kernel/pci-gart.c · 85f9eebccde51e24896f31383f5b70776362e1a6 · Kirill Smelkov / linux

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[PATCH] x86_64: Use cpu_relax in poll loop in GART IOMMU · 85f9eebc

Andi Kleen authored Mar 25, 2006



The code waits for the GART to clear the TLB flush bit. Use cpu_relax
in this time to allow hypervisors to yield the CPU in this time.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

85f9eebc

pci-gart.c 19.6 KB

Replace pci-gart.c