diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-11 10:46:50 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-11 10:46:50 +0200 |
commit | 0c81b2a1448bc6a2a9b2d6469fb0669fb4b25e5b (patch) | |
tree | 6f82579cae6d6e39fa9f837a3c349ded51e19d14 /include/asm-powerpc | |
parent | 0729fbf3bc70870370b4f43d652f05a468dc68b8 (diff) | |
parent | 70ff05554f91a1edda1f11684da1dbde09e2feea (diff) |
Merge branch 'linus' into core/rcu
Conflicts:
include/linux/rculist.h
kernel/rcupreempt.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-powerpc')
-rw-r--r-- | include/asm-powerpc/Kbuild | 1 | ||||
-rw-r--r-- | include/asm-powerpc/hugetlb.h | 6 | ||||
-rw-r--r-- | include/asm-powerpc/pgtable-ppc64.h | 10 |
3 files changed, 10 insertions, 7 deletions
diff --git a/include/asm-powerpc/Kbuild b/include/asm-powerpc/Kbuild index 7381916dfcb..bca352e033c 100644 --- a/include/asm-powerpc/Kbuild +++ b/include/asm-powerpc/Kbuild @@ -1,6 +1,5 @@ include include/asm-generic/Kbuild.asm -header-y += a.out.h header-y += auxvec.h header-y += ioctls.h header-y += mman.h diff --git a/include/asm-powerpc/hugetlb.h b/include/asm-powerpc/hugetlb.h index 649c6c3b87b..be32ff02f4a 100644 --- a/include/asm-powerpc/hugetlb.h +++ b/include/asm-powerpc/hugetlb.h @@ -49,12 +49,6 @@ static inline pte_t huge_pte_wrprotect(pte_t pte) return pte_wrprotect(pte); } -static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) -{ - ptep_set_wrprotect(mm, addr, ptep); -} - static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t pte, int dirty) diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h index cc6a43ba41d..7686569a0be 100644 --- a/include/asm-powerpc/pgtable-ppc64.h +++ b/include/asm-powerpc/pgtable-ppc64.h @@ -314,6 +314,16 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, old = pte_update(mm, addr, ptep, _PAGE_RW, 0); } +static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + unsigned long old; + + if ((pte_val(*ptep) & _PAGE_RW) == 0) + return; + old = pte_update(mm, addr, ptep, _PAGE_RW, 1); +} + /* * We currently remove entries from the hashtable regardless of whether * the entry was young or dirty. The generic routines only flush if the |