On Fri, 16 Aug 2019 10:47:02 +0200 David Hildenbrand <[email protected]> wrote:
> The first two patches are modified patches from: > [PATCH-for-4.2 v1 0/9] s390x: MMU changes and extensions > > This series primarily fixes minor things in the storage key handling code > in the MMU and implements fairly reliable reference and change bit handling > for TCG. To track the reference and change bit, we have to invalidate > TLB entries whenever the storage key is changed by the guest and make sure > not TLB entry is writable in case the storage key does not indicate a > change already. > > With this series, the kvm-unit-test "skey" now passes. \o/ > > v2 -> v3: > - Reshuffled patches to avoid a temporary uninitialized return value > - Minor updates to patch descriptions > - "s390x/tcg: Flush the TLB of all CPUs on SSKE and RRBE" > -- Updated comments > - "s390x/mmu: Factor out storage key handling" > -- Reduce indentation > > v1 -> v2: > - "s390x/tcg: Rework MMU selection for instruction fetches" > -- Cleanup return value handling > - Added RB's > > Cc: Alex Bennée <[email protected]> > > David Hildenbrand (6): > s390x/mmu: Trace the right value if setting/getting the storage key > fails > s390x/mmu: ASC selection in s390_cpu_get_phys_page_debug() > s390x/tcg: Rework MMU selection for instruction fetches > s390x/tcg: Flush the TLB of all CPUs on SSKE and RRBE > s390x/mmu: Better storage key reference and change bit handling > s390x/mmu: Factor out storage key handling > > target/s390x/cpu.h | 7 ++ > target/s390x/helper.c | 5 ++ > target/s390x/mem_helper.c | 10 +++ > target/s390x/mmu_helper.c | 135 ++++++++++++++++++++++++-------------- > 4 files changed, 107 insertions(+), 50 deletions(-) > Looks good to me now. I can pick this up directly, or you can send me a pull request (whichever you prefer).
