Cui, Dexuan
2009-Mar-18 09:27 UTC
[Xen-devel] [PATCH] backport: allocate cap save buffers for PCIe/PCI-X.
Changeset 819:e8a9f8910a3f doesn''t backport all the necessary codes.
This patch adds the missing part. It is also backported from upstream Linux
kernel and the git commit is:
commit 63f4898ace2788a89ed685672aab092e1c3e50e6
Author: Rafael J. Wysocki <rjw@sisk.pl>
Date: Sun Dec 7 22:02:58 2008 +0100
PCI: handle PCI state saving with interrupts disabled
Since interrupts will soon be disabled at PCI resume time, we need to
pre-allocate memory to save/restore PCI config space (or use GFP_ATOMIC,
but this is safer).
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
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