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Re: [Qemu-devel] [PATCH-for-4.2 v2 0/6] s390x/mmu: Storage key reference
From: |
Cornelia Huck |
Subject: |
Re: [Qemu-devel] [PATCH-for-4.2 v2 0/6] s390x/mmu: Storage key reference and change bit handling |
Date: |
Mon, 19 Aug 2019 18:36:23 +0200 |
On Wed, 14 Aug 2019 09:23:49 +0200
David Hildenbrand <address@hidden> 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.
- Re: [Qemu-devel] [qemu-s390x] [PATCH-for-4.2 v2 2/6] s390x/tcg: Rework MMU selection for instruction fetches, (continued)