From: Ștefan Șicleru <ssicleru@xxxxxxxxxxxxxxx>
shadow_present_mask is not 0ull if #VE support is enabled.
If #VE support is enabled, shadow_present_mask is updated in
vmx_enable_tdp() with VMX_EPT_SUPPRESS_VE_BIT.
Signed-off-by: Ștefan Șicleru <ssicleru@xxxxxxxxxxxxxxx>
Signed-off-by: Adalbert Lazăr <alazar@xxxxxxxxxxxxxxx>
---
arch/x86/kvm/mmu/mmu.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 810e22f41306..28ab4a1ba25a 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -1601,7 +1601,13 @@ static bool spte_write_protect(u64 *sptep, bool pt_protect)
static bool spte_read_protect(u64 *sptep)
{
u64 spte = *sptep;
- bool exec_only_supported = (shadow_present_mask == 0ull);
+ bool exec_only_supported;
+
+ if (kvm_ve_supported)
+ exec_only_supported =
+ (shadow_present_mask == VMX_EPT_SUPPRESS_VE_BIT);
+ else
+ exec_only_supported = (shadow_present_mask == 0ull);
rmap_printk("rmap_read_protect: spte %p %llx\n", sptep, *sptep);
_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization
