diff options
| author | Marcelo Tosatti | 2008-09-23 18:18:41 +0200 |
|---|---|---|
| committer | Avi Kivity | 2008-10-15 14:25:27 +0200 |
| commit | 582801a95d2f2ceab841779e1dec0e11dfec44c0 (patch) | |
| tree | 6d112abb4e27cfde664568f37baae12ca570379a /arch/x86/kvm/mmu.c | |
| parent | KVM: MMU: speed up mmu_unsync_walk (diff) | |
| download | kernel-qcow2-linux-582801a95d2f2ceab841779e1dec0e11dfec44c0.tar.gz kernel-qcow2-linux-582801a95d2f2ceab841779e1dec0e11dfec44c0.tar.xz kernel-qcow2-linux-582801a95d2f2ceab841779e1dec0e11dfec44c0.zip | |
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>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -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 cb391d629af2..99c239c5c0ac 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; } |