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authorJeremy Fitzhardinge <jeremy@goop.org>2008-06-16 04:30:01 -0700
committerIngo Molnar <mingo@elte.hu>2008-06-25 15:16:00 +0200
commit08b882c627aeeeb3cfd3c4354f0d360d7949549d (patch)
treebf4a25b0bf67c8e5886425ccd9eddc436602fa21 /arch/x86/kernel/paravirt.c
parent1ea0704e0da65b2b46f9142ff1391163aac24060 (diff)
paravirt: add hooks for ptep_modify_prot_start/commit
This patch adds paravirt-ops hooks in pv_mmu_ops for ptep_modify_prot_start and ptep_modify_prot_commit. This allows the hypervisor-specific backends to implement these in some more efficient way. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/paravirt.c')
-rw-r--r--arch/x86/kernel/paravirt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index c98d5468818..f1ab0f72700 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -380,6 +380,9 @@ struct pv_mmu_ops pv_mmu_ops = {
.pte_update = paravirt_nop,
.pte_update_defer = paravirt_nop,
+ .ptep_modify_prot_start = __ptep_modify_prot_start,
+ .ptep_modify_prot_commit = __ptep_modify_prot_commit,
+
#ifdef CONFIG_HIGHPTE
.kmap_atomic_pte = kmap_atomic,
#endif