ia64/linux-2.6.18-xen.hg

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linux/blktap2: reduce TLB flush scope

c/s 885 added very coarse TLB flushing. Since these flushes always
follow single page updates, single page flushes (when available) are
sufficient.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 04 10:32:57 2009 +0100 (2009-06-04)
parents 831230e53067
children
line source
1 #!/bin/sh
2 # Print additional version information for non-release trees.
4 usage() {
5 echo "Usage: $0 [srctree]" >&2
6 exit 1
7 }
9 cd "${1:-.}" || usage
11 # Check for git and a git repo.
12 if head=`git rev-parse --verify HEAD 2>/dev/null`; then
13 # Do we have an untagged version?
14 if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then
15 printf '%s%s' -g `echo "$head" | cut -c1-8`
16 fi
18 # Are there uncommitted changes?
19 if git diff-index HEAD | read dummy; then
20 printf '%s' -dirty
21 fi
22 fi