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xen: disable preempt for leave_lazy_mmu

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xen_mc_flush() requires preemption to be disabled for its own sanity,
so disable it while we're flushing.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2009-02-20 23:01:26 -08:00
parent ab2f75f0b7
commit 5caecb9432
1 changed files with 2 additions and 0 deletions
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arch/x86/xen/mmu.c
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@ -1812,8 +1812,10 @@ __init void xen_post_allocator_init(void)
static void xen_leave_lazy_mmu(void)
{
preempt_disable();
xen_mc_flush();
paravirt_leave_lazy_mmu();
preempt_enable();
}
const struct pv_mmu_ops xen_mmu_ops __initdata = {