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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2008-09-23 13:18:41 -0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2008-10-15 14:25:27 +0200 |
| commit | 582801a95d2f2ceab841779e1dec0e11dfec44c0 (patch) | |
| tree | 6d112abb4e27cfde664568f37baae12ca570379a | |
| parent | 0074ff63ebc195701062ca46e0d82fcea0fa3a0a (diff) | |
| download | op-kernel-dev-582801a95d2f2ceab841779e1dec0e11dfec44c0.zip op-kernel-dev-582801a95d2f2ceab841779e1dec0e11dfec44c0.tar.gz | |
KVM: MMU: add "oos_shadow" parameter to disable oos
Subject says it all.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/x86/kvm/mmu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index cb391d6..99c239c 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -70,6 +70,9 @@ static int dbg = 0; module_param(dbg, bool, 0644); #endif +static int oos_shadow = 1; +module_param(oos_shadow, bool, 0644); + #ifndef MMU_DEBUG #define ASSERT(x) do { } while (0) #else @@ -1424,7 +1427,7 @@ static int mmu_need_write_protect(struct kvm_vcpu *vcpu, gfn_t gfn, return 1; if (shadow->unsync) return 0; - if (can_unsync) + if (can_unsync && oos_shadow) return kvm_unsync_page(vcpu, shadow); return 1; } |
