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(parent: ddbd41b) | patch
x86_64: reserve TCEs with the same address as MEM regions
authorMuli Ben-Yehuda <muli@il.ibm.com>
Sat, 21 Jul 2007 15:10:58 +0000 (17:10 +0200)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Sun, 22 Jul 2007 01:37:11 +0000 (18:37 -0700)
commit07877cf6fd559cbdced7ad4c15ab225a552ab692
tree37308f9b7b50d63d2f96016a7c7846497a10cacetree | snapshot (tar.gz zip)
parentddbd41b4e76f2b586366df0e85df80729ef90bc5commit | diff
x86_64: reserve TCEs with the same address as MEM regions

This works around a bug where DMAs that have the same addresses as
some MEM regions do not go through. Not clear yet if this is due to a
mis-configuration or something deeper.

[akpm@linux-foundation.org: coding style fixlet]
Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/x86_64/kernel/pci-calgary.c diff | blob | blame | history