#!/bin/bash # Usage: configcheck.sh .config .config-template # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, you can access it online at # http://www.gnu.org/licenses/gpl-2.0.html. # # Copyright (C) IBM Corporation, 2011 # # Authors: Paul E. McKenney T=/tmp/abat-chk-config.sh.$$ trap 'rm -rf $T' 0 mkdir $T cat $1 > $T/.config cat $2 | sed -e 's/\(.*\)=n/# \1 is not set/' -e 's/^#CHECK#//' | awk ' BEGIN { print "if grep -q \"" $0 "\" < '"$T/.config"'"; print "then"; print "\t:"; print "else"; if ($1 == "#") { print "\tif grep -q \"" $2 "\" < '"$T/.config"'"; print "\tthen"; print "\t\tif test \"$firsttime\" = \"\"" print "\t\tthen" print "\t\t\tfirsttime=1" print "\t\tfi" print "\t\techo \":" $2 ": improperly set\""; print "\telse"; print "\t\t:"; print "\tfi"; } else { print "\tif test \"$firsttime\" = \"\"" print "\tthen" print "\t\tfirsttime=1" print "\tfi" print "\techo \":" $0 ": improperly set\""; } print "fi"; }' | sh '>summaryrefslogtreecommitdiff
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authorJan Kara <jack@suse.cz>2016-08-10 17:22:44 +0200
committerDan Williams <dan.j.williams@intel.com>2016-12-26 20:29:24 -0800
commitc6dcf52c23d2d3fb5235cec42d7dd3f786b87d55 (patch)
tree7e63a6c0225a769e679b194f54b5723e4cfba385 /sound/aoa
parente568df6b84ff05a22467503afc11bee7a6ba0700 (diff)
mm: Invalidate DAX radix tree entries only if appropriate
Currently invalidate_inode_pages2_range() and invalidate_mapping_pages() just delete all exceptional radix tree entries they find. For DAX this is not desirable as we track cache dirtiness in these entries and when they are evicted, we may not flush caches although it is necessary. This can for example manifest when we write to the same block both via mmap and via write(2) (to different offsets) and fsync(2) then does not properly flush CPU caches when modification via write(2) was the last one. Create appropriate DAX functions to handle invalidation of DAX entries for invalidate_inode_pages2_range() and invalidate_mapping_pages() and wire them up into the corresponding mm functions. Acked-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'sound/aoa')