c/s 08fac63 misused v->domain-arch.paging.gfn_bits as the width of
guest physical address and missed adding PAGE_SHIFT to it when
checking vmxon operand.
Signed-off-by: Haozhong Zhang <haozhong.zh...@intel.com>
---
xen/arch/x86/hvm/vmx/vvmx.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/xen/arch/x86/hvm/vmx/vvmx.c b/xen/arch/x86/hvm/vmx/vvmx.c
index 4a5b79c..9e37d22 100644
--- a/xen/arch/x86/hvm/vmx/vvmx.c
+++ b/xen/arch/x86/hvm/vmx/vvmx.c
@@ -1388,7 +1388,8 @@ int nvmx_handle_vmxon(struct cpu_user_regs *regs)
return X86EMUL_OKAY;
}
- if ( (gpa & ~PAGE_MASK) || (gpa >> v->domain->arch.paging.gfn_bits) )
+ if ( (gpa & ~PAGE_MASK) ||
+ (gpa >> (v->domain->arch.paging.gfn_bits + PAGE_SHIFT)) )
{
vmreturn(regs, VMFAIL_INVALID);
return X86EMUL_OKAY;
--
2.10.1
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