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iommu/arm-smmu-v3: Constify arm_smmu_mmu_notifier_ops

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The only usage of arm_smmu_mmu_notifier_ops is to assign its address to
the ops field in the mmu_notifier struct, which is a pointer to const
struct mmu_notifier_ops. Make it const to allow the compiler to put it
in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Link: https://lore.kernel.org/r/20211204223301.100649-1-rikard.falkeborn@gmail.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Rikard Falkeborn 2021-12-04 23:33:01 +01:00 committed by Will Deacon
parent cd76990c94
commit 17d9a4b43b
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
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@ -220,7 +220,7 @@ static void arm_smmu_mmu_notifier_free(struct mmu_notifier *mn)
kfree(mn_to_smmu(mn));
}
static struct mmu_notifier_ops arm_smmu_mmu_notifier_ops = {
static const struct mmu_notifier_ops arm_smmu_mmu_notifier_ops = {
.invalidate_range = arm_smmu_mm_invalidate_range,
.release = arm_smmu_mm_release,
.free_notifier = arm_smmu_mmu_notifier_free,