# \[PATCH v21 09/26\] drm/i915/gvt: Change \_PAGE\_DIRTY to \_PAGE\_DIRTY\_BITS

- From: Yu-cheng Yu \<hidden\>
- Date: 2021-02-17 22:36:21 
- List: linux-arch
- Page: https://ratatoskr.run/linux-arch/2021/02/6272426
- Thread: https://ratatoskr.run/linux-doc/2021/02/6272416/t.md

```text
After the introduction of _PAGE_COW, a modified page's PTE can have either
_PAGE_DIRTY or _PAGE_COW.  Change _PAGE_DIRTY to _PAGE_DIRTY_BITS.

Signed-off-by: Yu-cheng Yu <redacted>
Reviewed-by: Kees Cook <redacted>
Cc: David Airlie <redacted>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Daniel Vetter <redacted>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Zhenyu Wang <redacted>
Cc: Zhi Wang <redacted>
---
 drivers/gpu/drm/i915/gvt/gtt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 897c007ea96a..937b6083b2dc 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -1216,7 +1216,7 @@ static int split_2MB_gtt_entry(struct intel_vgpu *vgpu,
 	}
 
 	/* Clear dirty field. */
-	se->val64 &= ~_PAGE_DIRTY;
+	se->val64 &= ~_PAGE_DIRTY_BITS;
 
 	ops->clear_pse(se);
 	ops->clear_ips(se);
-- 
2.21.0

```