[Qemu-devel] [PATCH 09/11] PPC64: Fix NX bit

[Alexander Graf]

ctx->nx only got ORed, but never reset. So when one page in the
lifetime of the VM was ever NX, all later pages were too.

Signed-off-by: Alexander Graf <address@hidden>
---
 target-ppc/helper.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/target-ppc/helper.c b/target-ppc/helper.c
index 60a63b8..f2dc011 100644
--- a/target-ppc/helper.c
+++ b/target-ppc/helper.c
@@ -226,7 +226,7 @@ static always_inline int _pte_check (mmu_ctx_t *ctx, int 
is_64b,
             ptem = pte0 & PTE64_PTEM_MASK;
             mmask = PTE64_CHECK_MASK;
             pp = (pte1 & 0x00000003) | ((pte1 >> 61) & 0x00000004);
-            ctx->nx |= (pte1 >> 2) & 1; /* No execute bit */
+            ctx->nx  = (pte1 >> 2) & 1; /* No execute bit */
             ctx->nx |= (pte1 >> 3) & 1; /* Guarded bit    */
         } else
 #endif
-- 
1.6.0.2