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| author | Paolo Bonzini <pbonzini@redhat.com> | 2014-09-02 11:09:00 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-09-02 11:09:00 +0200 |
| commit | eebbcf6da9874db62bce4c9000e688985ff23f68 (patch) | |
| tree | c27881a24795e8ca89e07ce487b030923c7b9481 /arch | |
| parent | Merge tag 'kvm-arm-for-v3.17-rc3' of git://git.kernel.org/pub/scm/linux/kerne... (diff) | |
| parent | KVM: s390/mm: Fix guest storage key corruption in ptep_set_access_flags (diff) | |
| download | linux-eebbcf6da9874db62bce4c9000e688985ff23f68.tar.xz linux-eebbcf6da9874db62bce4c9000e688985ff23f68.zip | |
Merge tag 'kvm-s390-master-20140902' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into kvm-master
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/include/asm/pgtable.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index b76317c1f3eb..5efb2fe186e7 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1127,7 +1127,7 @@ static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { pgste_t pgste; - pte_t pte; + pte_t pte, oldpte; int young; if (mm_has_pgste(vma->vm_mm)) { @@ -1135,12 +1135,13 @@ static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, pgste = pgste_ipte_notify(vma->vm_mm, ptep, pgste); } - pte = *ptep; + oldpte = pte = *ptep; ptep_flush_direct(vma->vm_mm, addr, ptep); young = pte_young(pte); pte = pte_mkold(pte); if (mm_has_pgste(vma->vm_mm)) { + pgste = pgste_update_all(&oldpte, pgste, vma->vm_mm); pgste = pgste_set_pte(ptep, pgste, pte); pgste_set_unlock(ptep, pgste); } else @@ -1330,6 +1331,7 @@ static inline int ptep_set_access_flags(struct vm_area_struct *vma, ptep_flush_direct(vma->vm_mm, address, ptep); if (mm_has_pgste(vma->vm_mm)) { + pgste_set_key(ptep, pgste, entry, vma->vm_mm); pgste = pgste_set_pte(ptep, pgste, entry); pgste_set_unlock(ptep, pgste); } else |