On 12/07/2016 08:46 AM, Junaid Shahid wrote:
This change adds some symbolic constants for VM Exit Qualifications
related to EPT Violations and updates handle_ept_violation() to use
these constants instead of hard-coded numbers.
Signed-off-by: Junaid Shahid <junaids@xxxxxxxxxx>
---
arch/x86/include/asm/vmx.h | 16 ++++++++++++++++
arch/x86/kvm/vmx.c | 22 ++++++++++++++--------
2 files changed, 30 insertions(+), 8 deletions(-)
diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h
index 20e5e31..659e402 100644
--- a/arch/x86/include/asm/vmx.h
+++ b/arch/x86/include/asm/vmx.h
@@ -469,6 +469,22 @@ struct vmx_msr_entry {
#define ENTRY_FAIL_VMCS_LINK_PTR 4
/*
+ * Exit Qualifications for EPT Violations
+ */
+#define EPT_VIOLATION_READ_BIT 0
+#define EPT_VIOLATION_WRITE_BIT 1
+#define EPT_VIOLATION_INSTR_BIT 2
It would be better if their names are EPT_VIOLATION_ACC_{READ,WRITE,INSTR}_BIT.
Reviewed-by: Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx>
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