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(parent: 41e332b) | patch
xen: allow set_pte_at on init_mm to be lockless
authorJeremy Fitzhardinge <jeremy@goop.org>
Wed, 2 Apr 2008 17:54:10 +0000 (10:54 -0700)
committerIngo Molnar <mingo@elte.hu>
Thu, 24 Apr 2008 21:57:33 +0000 (23:57 +0200)
commit2bd50036b5dfc929390ddc48be7f6314447b2be3
tree638901ec17236c692273ce18e9160e7d29264a26tree | snapshot
parent41e332b2a2dfe514cd441ed0ce1096ed1863e378commit | diff
xen: allow set_pte_at on init_mm to be lockless

The usual pagetable locking protocol doesn't seem to apply to updates
to init_mm, so don't rely on preemption being disabled in xen_set_pte_at
on init_mm.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/xen/mmu.c diff | blob | history
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