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Revert "mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks"

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Revert 5ff7091f5a ("mm, mmu_notifier: annotate mmu notifiers with
blockable invalidate callbacks").

MMU_INVALIDATE_DOES_NOT_BLOCK flags was the only one used and it is no
longer needed since 93065ac753 ("mm, oom: distinguish blockable mode for
mmu notifiers").  We now have a full support for per range !blocking
behavior so we can drop the stop gap workaround which the per notifier
flag was used for.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Michal Hocko <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Boris Ostrovsky <[email protected]>
Cc: Jerome Glisse <[email protected]>
Cc: Juergen Gross <[email protected]>
Cc: Tetsuo Handa <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Michal Hocko 2018-10-26 15:03:39 -07:00 • committed by Linus Torvalds
commit 4e15a073a1
7 changed files with 0 additions and 59 deletions
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1
drivers/iommu/amd_iommu_v2.c
View file

@ -427,7 +427,6 @@ static void mn_release(struct mmu_notifier *mn, struct mm_struct *mm)
}
static const struct mmu_notifier_ops iommu_mn = {
.flags = MMU_INVALIDATE_DOES_NOT_BLOCK,
.release = mn_release,
.clear_flush_young = mn_clear_flush_young,
.invalidate_range = mn_invalidate_range,

1
drivers/iommu/intel-svm.c
View file

@ -273,7 +273,6 @@ static void intel_mm_release(struct mmu_notifier *mn, struct mm_struct *mm)
}
static const struct mmu_notifier_ops intel_mmuops = {
.flags = MMU_INVALIDATE_DOES_NOT_BLOCK,
.release = intel_mm_release,
.change_pte = intel_change_pte,
.invalidate_range = intel_invalidate_range,