| Message ID | 20190219200430.11130-2-jglisse@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | mmu notifier provide context informations | expand |
On 2/19/19 12:04 PM, jglisse@redhat.com wrote: > From: Jérôme Glisse <jglisse@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 <jglisse@redhat.com> > Cc: Christian König <christian.koenig@amd.com> > Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> > Cc: Jani Nikula <jani.nikula@linux.intel.com> > Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> > Cc: Jan Kara <jack@suse.cz> > Cc: Andrea Arcangeli <aarcange@redhat.com> > Cc: Peter Xu <peterx@redhat.com> > Cc: Felix Kuehling <Felix.Kuehling@amd.com> > Cc: Jason Gunthorpe <jgg@mellanox.com> > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: Ross Zwisler <zwisler@kernel.org> > Cc: Dan Williams <dan.j.williams@intel.com> > Cc: Paolo Bonzini <pbonzini@redhat.com> > Cc: Radim Krčmář <rkrcmar@redhat.com> > Cc: Michal Hocko <mhocko@kernel.org> > Cc: Christian Koenig <christian.koenig@amd.com> > Cc: Ralph Campbell <rcampbell@nvidia.com> > Cc: John Hubbard <jhubbard@nvidia.com> > Cc: kvm@vger.kernel.org > Cc: dri-devel@lists.freedesktop.org > Cc: linux-rdma@vger.kernel.org > Cc: linux-fsdevel@vger.kernel.org > Cc: Arnd Bergmann <arnd@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) > { Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
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) {