1. 30 Aug, 2013 9 commits
  2. 29 Aug, 2013 1 commit
    • Martin Schwidefsky's avatar
      s390/mm: implement software referenced bits · 0944fe3f
      Martin Schwidefsky authored
      The last remaining use for the storage key of the s390 architecture
      is reference counting. The alternative is to make page table entries
      invalid while they are old. On access the fault handler marks the
      pte/pmd as young which makes the pte/pmd valid if the access rights
      allow read access. The pte/pmd invalidations required for software
      managed reference bits cost a bit of performance, on the other hand
      the RRBE/RRBM instructions to read and reset the referenced bits are
      quite expensive as well.
      Reviewed-by: default avatarGerald Schaefer <gerald.schaefer@de.ibm.com>
      Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
      0944fe3f
  3. 28 Aug, 2013 4 commits
  4. 22 Aug, 2013 18 commits
  5. 19 Aug, 2013 8 commits