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iommu/amd: Remove change_pte mmu_notifier call-back 

All calls to this call-back are wrapped with
mmu_notifer_invalidate_range_start()/end(), making this
notifier pretty useless, so remove it.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Oded Gabbay <oded.gabbay@amd.com>
This commit is contained in:
Joerg Roedel 2014-07-30 16:04:38 +02:00
parent fcaa960608
commit 8301da53fb
1 changed files with 0 additions and 9 deletions
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9
drivers/iommu/amd_iommu_v2.c
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@ -406,14 +406,6 @@ static int mn_clear_flush_young(struct mmu_notifier *mn,
return 0; return 0;
} }
static void mn_change_pte(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long address,
pte_t pte)
{
__mn_flush_page(mn, address);
}
static void mn_invalidate_page(struct mmu_notifier *mn, static void mn_invalidate_page(struct mmu_notifier *mn,
struct mm_struct *mm, struct mm_struct *mm,
unsigned long address) unsigned long address)
@ -484,7 +476,6 @@ static void mn_release(struct mmu_notifier *mn, struct mm_struct *mm)
static struct mmu_notifier_ops iommu_mn = { static struct mmu_notifier_ops iommu_mn = {
.release = mn_release, .release = mn_release,
.clear_flush_young = mn_clear_flush_young, .clear_flush_young = mn_clear_flush_young,
.change_pte = mn_change_pte,
.invalidate_page = mn_invalidate_page, .invalidate_page = mn_invalidate_page,
.invalidate_range_start = mn_invalidate_range_start, .invalidate_range_start = mn_invalidate_range_start,
.invalidate_range_end = mn_invalidate_range_end, .invalidate_range_end = mn_invalidate_range_end,