target-i386: mmu: use pg_mode instead of HF_LMA_MASK

Correctly look up the paging mode of the hypervisor when it is using 64-bit
mode but the guest is not.

Fixes: 68746930ae ("target/i386: use mmu_translate for NPT walk", 2021-05-11)
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 93eae3583256896dd91a4c2ca38dcbb8d4051cff)
Signed-off-by: Michael Roth <michael.roth@amd.com>

diff --git a/target/i386/tcg/sysemu/excp_helper.c b/target/i386/tcg/sysemu/excp_helper.c
index b6d940e04ec42891f3b542e0a101543718ece41b..2dea4a248e59d9b9c86ede7915db5b58d50031c3 100644 (file)
--- a/target/i386/tcg/sysemu/excp_helper.c
+++ b/target/i386/tcg/sysemu/excp_helper.c
@@ -90,7 +90,7 @@ static int mmu_translate(CPUState *cs, hwaddr addr, MMUTranslateFunc get_hphys_f
         target_ulong pdpe_addr;
 
 #ifdef TARGET_X86_64
-        if (env->hflags & HF_LMA_MASK) {
+        if (pg_mode & PG_MODE_LMA) {
             bool la57 = pg_mode & PG_MODE_LA57;
             uint64_t pml5e_addr, pml5e;
             uint64_t pml4e_addr, pml4e;
@@ -287,7 +287,7 @@ do_check_protect_pse36:
         *prot |= PAGE_EXEC;
     }
 
-    if (!(env->hflags & HF_LMA_MASK)) {
+    if (!(pg_mode & PG_MODE_LMA)) {
         pkr = 0;
     } else if (ptep & PG_USER_MASK) {
         pkr = pg_mode & PG_MODE_PKE ? env->pkru : 0;