From: Jérôme Glisse <jgli...@redhat.com>
Simple helpers to test if range invalidation is blockable. Latter
patches use cocinnelle to convert all direct dereference of range->
blockable to use this function instead so that we can convert the
blockable field to an unsigned for more flags.
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Christian König <christian.koe...@amd.com>
Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
Cc: Jani Nikula <jani.nik...@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.v...@intel.com>
Cc: Jan Kara <j...@suse.cz>
Cc: Andrea Arcangeli <aarca...@redhat.com>
Cc: Peter Xu <pet...@redhat.com>
Cc: Felix Kuehling <felix.kuehl...@amd.com>
Cc: Jason Gunthorpe <j...@mellanox.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Ross Zwisler <zwis...@kernel.org>
Cc: Dan Williams <dan.j.willi...@intel.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: Radim Krčmář <rkrc...@redhat.com>
Cc: Michal Hocko <mho...@kernel.org>
Cc: Christian Koenig <christian.koe...@amd.com>
Cc: Ralph Campbell <rcampb...@nvidia.com>
Cc: John Hubbard <jhubb...@nvidia.com>
Cc: k...@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-r...@vger.kernel.org
Cc: linux-fsde...@vger.kernel.org
Cc: Arnd Bergmann <a...@arndb.de>
---
include/linux/mmu_notifier.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
index 4050ec1c3b45..e630def131ce 100644
--- a/include/linux/mmu_notifier.h
+++ b/include/linux/mmu_notifier.h
@@ -226,6 +226,12 @@ extern void __mmu_notifier_invalidate_range_end(struct
mmu_notifier_range *r,
extern void __mmu_notifier_invalidate_range(struct mm_struct *mm,
unsigned long start, unsigned long end);
+static inline bool
+mmu_notifier_range_blockable(const struct mmu_notifier_range *range)
+{
+ return range->blockable;
+}
+
static inline void mmu_notifier_release(struct mm_struct *mm)
{
if (mm_has_notifiers(mm))
@@ -455,6 +461,11 @@ static inline void _mmu_notifier_range_init(struct
mmu_notifier_range *range,
#define mmu_notifier_range_init(range, mm, start, end) \
_mmu_notifier_range_init(range, start, end)
+static inline bool
+mmu_notifier_range_blockable(const struct mmu_notifier_range *range)
+{
+ return true;
+}
static inline int mm_has_notifiers(struct mm_struct *mm)
{
--
2.17.2
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
