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authorDavidlohr Bueso <davidlohr.bueso@hp.com>2013-07-09 01:01:18 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-09 19:33:27 +0200
commit41a0d523d0f626e9da0dc01de47f1b89058033cf (patch)
treeaf4021f97c49c59784dbab62fb1dad36fe6d6f3c /lib/kobject_uevent.c
parentipc,msg: shorten critical region in msgsnd (diff)
downloadlinux-41a0d523d0f626e9da0dc01de47f1b89058033cf.tar.xz
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ipc,msg: shorten critical region in msgrcv
do_msgrcv() is the last msg queue function that abuses the ipc lock Take it only when needed when actually updating msq. Signed-off-by: Davidlohr Bueso <davidlohr.bueso@hp.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Rik van Riel <riel@redhat.com> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/kobject_uevent.c')
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