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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-10-23 09:10:25 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-10-23 09:10:25 +0200 |
commit | 320437af954cbe66478f1f5e8b34cb5a8d072191 (patch) | |
tree | 179940f87f305533380abbec5c0c5bd8a6147dbc /arch/s390/include/asm/pgtable.h | |
parent | Merge branch 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang... (diff) | |
parent | s390/time: correct use of store clock fast (diff) | |
download | linux-320437af954cbe66478f1f5e8b34cb5a8d072191.tar.xz linux-320437af954cbe66478f1f5e8b34cb5a8d072191.zip |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
"Several last minute bug fixes.
Two of them are on the larger side for rc7, the dasd format patch for
older storage devices and the store-clock-fast patch where we have
been to optimistic with an optimization"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/time: correct use of store clock fast
s390/vmlogrdr: fix array access in vmlogrdr_open()
s390/compat,signal: fix return value of copy_siginfo_(to|from)_user32()
s390/dasd: check for availability of prefix command during format
s390/mm,kvm: fix software dirty bits vs. kvm for old machines
Diffstat (limited to 'arch/s390/include/asm/pgtable.h')
-rw-r--r-- | arch/s390/include/asm/pgtable.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 9b60a36c348d..2204400d0bd5 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -748,7 +748,9 @@ static inline void pgste_set_key(pte_t *ptep, pgste_t pgste, pte_t entry) static inline void pgste_set_pte(pte_t *ptep, pte_t entry) { - if (!MACHINE_HAS_ESOP && (pte_val(entry) & _PAGE_WRITE)) { + if (!MACHINE_HAS_ESOP && + (pte_val(entry) & _PAGE_PRESENT) && + (pte_val(entry) & _PAGE_WRITE)) { /* * Without enhanced suppression-on-protection force * the dirty bit on for all writable ptes. |