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[PATCH] i386: Fix race in iounmap
authorAndi Kleen <ak@suse.de>
Fri, 20 May 2005 21:27:57 +0000 (14:27 -0700)
committerLinus Torvalds <torvalds@ppc970.osdl.org>
Fri, 20 May 2005 22:48:20 +0000 (15:48 -0700)
commitf43bb9029596589f1a055d337e7f30ce1904fb6f
tree0a6a2b492eaa11897538a06655685474b961df44tree | snapshot
parente7b3ab46e3250688e20a4290b22162977f97c78acommit | diff
[PATCH] i386: Fix race in iounmap

We need to hold the vmlist_lock while doing change_page_attr, otherwise we
could reset someone else's mapping.

Requires previous patch to add __remove_vm_area

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/i386/mm/ioremap.c diff | blob | history
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