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nEPT: Add nEPT violation/misconfigration support

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Inject nEPT fault to L1 guest. This patch is original from Xinhao.

Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Jun Nakajima <jun.nakajima@intel.com>
Signed-off-by: Xinhao Xu <xinhao.xu@intel.com>
Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Yang Zhang
2013-08-06 12:00:32 +03:00
committed by Paolo Bonzini
parent 53166229e9
commit 25d92081ae
4 changed files with 95 additions and 14 deletions
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4
arch/x86/include/asm/kvm_host.h
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@@ -286,6 +286,7 @@ struct kvm_mmu {
u64 *pae_root;
u64 *lm_root;
u64 rsvd_bits_mask[2][4];
u64 bad_mt_xwr;
/*
* Bitmap: bit set = last pte in walk
@@ -512,6 +513,9 @@ struct kvm_vcpu_arch {
* instruction.
*/
bool write_fault_to_shadow_pgtable;
/* set at EPT violation at this point */
unsigned long exit_qualification;
};
struct kvm_lpage_info {