From 4abafdf561af33491889a2de725da63038881661 Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Thu, 26 Jun 2008 00:25:43 +0200 Subject: [PATCH] --- yaml --- r: 99458 b: refs/heads/master c: fa3d319ac6f648dc51cb672a31f482c80a8c2457 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/arch/x86/kernel/pci-gart_64.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/[refs] b/[refs] index f98fa9cb5494..41627406b575 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 037a6079eb925f7653bddf1501f777abcd4fc91e +refs/heads/master: fa3d319ac6f648dc51cb672a31f482c80a8c2457 diff --git a/trunk/arch/x86/kernel/pci-gart_64.c b/trunk/arch/x86/kernel/pci-gart_64.c index f505c3890358..f20c20a7853d 100644 --- a/trunk/arch/x86/kernel/pci-gart_64.c +++ b/trunk/arch/x86/kernel/pci-gart_64.c @@ -824,10 +824,10 @@ void __init gart_iommu_init(void) wbinvd(); /* - * Try to workaround a bug (thanks to BenH) + * Try to workaround a bug (thanks to BenH): * Set unmapped entries to a scratch page instead of 0. * Any prefetches that hit unmapped entries won't get an bus abort - * then. + * then. (P2P bridge may be prefetching on DMA reads). */ scratch = get_zeroed_page(GFP_KERNEL); if (!scratch)