Re: [Qemu-devel] [PATCH-for-4.2 v2 0/6] s390x/mmu: Storage key reference and change bit handling

[Cornelia Huck <cohuck@redhat.com>]

On Mon, 19 Aug 2019 18:36:23 +0200
Cornelia Huck <cohuck@redhat.com> wrote:

> On Wed, 14 Aug 2019 09:23:49 +0200
> David Hildenbrand <david@redhat.com> 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/
> > 
> > v1 -> v2:
> > - "s390x/tcg: Rework MMU selection for instruction fetches"
> > -- Cleanup return value handling
> > - Added RB's
> > 
> > David Hildenbrand (6):
> >   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: Trace the right value if setting/getting the storage key
> >     fails
> >   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 |   4 ++
> >  target/s390x/mmu_helper.c | 133 ++++++++++++++++++++++++--------------
> >  4 files changed, 99 insertions(+), 50 deletions(-)
> >   
> 
> Thanks, applied.

No, not that one, v3. Argh.