[PATCH 2/5] Revert "KVM: MMU: Mark sp mmio cached when creating mmio spte"

Xiao Guangrong
2013-03-15T15:27:49Z

This reverts commit 95b0430d1a53541076ffbaf453f8b49a547cceba.
Will use a better way to zap all mmio shadow pages

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
---
arch/x86/include/asm/kvm_host.h | 1 -
arch/x86/kvm/mmu.c | 3 ---
2 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 9b75cae..ef7f4a5 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -230,7 +230,6 @@ struct kvm_mmu_page {
#endif

int write_flooding_count;
- bool mmio_cached;
};

struct kvm_pio_request {
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index de45ec1..fdacabb 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -199,11 +199,8 @@ EXPORT_SYMBOL_GPL(kvm_mmu_set_mmio_spte_mask);

static void mark_mmio_spte(u64 *sptep, u64 gfn, unsigned access)
{
- struct kvm_mmu_page *sp = page_header(__pa(sptep));
-
access &= ACC_WRITE_MASK | ACC_USER_MASK;

- sp->mmio_cached = true;
trace_mark_mmio_spte(sptep, gfn, access);
mmu_spte_set(sptep, shadow_mmio_mask | access | gfn << PAGE_SHIFT);
}
--
1.7.7.6