On 2/19/19 12:04 PM, jgli...@redhat.com wrote:
From: Jérôme Glisse <jgli...@redhat.com>Use an unsigned field for flags other than blockable and convert the blockable field to be one of those 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: Arnd Bergmann <a...@arndb.de> --- include/linux/mmu_notifier.h | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h index e630def131ce..c8672c366f67 100644 --- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -25,11 +25,13 @@ struct mmu_notifier_mm { spinlock_t lock; };+#define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0)+ struct mmu_notifier_range { struct mm_struct *mm; unsigned long start; unsigned long end; - bool blockable; + unsigned flags; };struct mmu_notifier_ops {@@ -229,7 +231,7 @@ extern void __mmu_notifier_invalidate_range(struct mm_struct *mm, static inline bool mmu_notifier_range_blockable(const struct mmu_notifier_range *range) { - return range->blockable; + return (range->flags & MMU_NOTIFIER_RANGE_BLOCKABLE); }static inline void mmu_notifier_release(struct mm_struct *mm)@@ -275,7 +277,7 @@ static inline void mmu_notifier_invalidate_range_start(struct mmu_notifier_range *range) { if (mm_has_notifiers(range->mm)) { - range->blockable = true; + range->flags |= MMU_NOTIFIER_RANGE_BLOCKABLE; __mmu_notifier_invalidate_range_start(range); } } @@ -284,7 +286,7 @@ static inline int mmu_notifier_invalidate_range_start_nonblock(struct mmu_notifier_range *range) { if (mm_has_notifiers(range->mm)) { - range->blockable = false; + range->flags &= ~MMU_NOTIFIER_RANGE_BLOCKABLE; return __mmu_notifier_invalidate_range_start(range); } return 0; @@ -331,6 +333,7 @@ static inline void mmu_notifier_range_init(struct mmu_notifier_range *range, range->mm = mm; range->start = start; range->end = end; + range->flags = 0; }#define ptep_clear_flush_young_notify(__vma, __address, __ptep) \
Reviewed-by: Ralph Campbell <rcampb...@nvidia.com> _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
