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mmu_notifier: call mmu_notifier_invalidate_range() from VMM

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Add calls to the new mmu_notifier_invalidate_range() function to all
places in the VMM that need it.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Jérôme Glisse <jglisse@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Rik van Riel <riel@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Johannes Weiner <jweiner@redhat.com>
Cc: Jay Cornwall <Jay.Cornwall@amd.com>
Cc: Oded Gabbay <Oded.Gabbay@amd.com>
Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
This commit is contained in:
Joerg Roedel
2014-11-13 13:46:09 +11:00
committed by Oded Gabbay
parent 1897bdc4d3
commit 34ee645e83
9 changed files with 61 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
include/linux/mmu_notifier.h
View File

@@ -284,6 +284,44 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm)
__young; \
})
#define ptep_clear_flush_notify(__vma, __address, __ptep) \
({ \
unsigned long ___addr = __address & PAGE_MASK; \
struct mm_struct *___mm = (__vma)->vm_mm; \
pte_t ___pte; \
\
___pte = ptep_clear_flush(__vma, __address, __ptep); \
mmu_notifier_invalidate_range(___mm, ___addr, \
___addr + PAGE_SIZE); \
\
___pte; \
})
#define pmdp_clear_flush_notify(__vma, __haddr, __pmd) \
({ \
unsigned long ___haddr = __haddr & HPAGE_PMD_MASK; \
struct mm_struct *___mm = (__vma)->vm_mm; \
pmd_t ___pmd; \
\
___pmd = pmdp_clear_flush(__vma, __haddr, __pmd); \
mmu_notifier_invalidate_range(___mm, ___haddr, \
___haddr + HPAGE_PMD_SIZE); \
\
___pmd; \
})
#define pmdp_get_and_clear_notify(__mm, __haddr, __pmd) \
({ \
unsigned long ___haddr = __haddr & HPAGE_PMD_MASK; \
pmd_t ___pmd; \
\
___pmd = pmdp_get_and_clear(__mm, __haddr, __pmd); \
mmu_notifier_invalidate_range(__mm, ___haddr, \
___haddr + HPAGE_PMD_SIZE); \
\
___pmd; \
})
/*
* set_pte_at_notify() sets the pte _after_ running the notifier.
* This is safe to start by updating the secondary MMUs, because the primary MMU
@@ -362,6 +400,9 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm)
#define ptep_clear_flush_young_notify ptep_clear_flush_young
#define pmdp_clear_flush_young_notify pmdp_clear_flush_young
#define ptep_clear_flush_notify ptep_clear_flush
#define pmdp_clear_flush_notify pmdp_clear_flush
#define pmdp_get_and_clear_notify pmdp_get_and_clear
#define set_pte_at_notify set_pte_at
#endif /* CONFIG_MMU_NOTIFIER */