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Re: [qemu-s390x] [Qemu-devel] [PATCH v2 16/28] s390x/tcg: Fault-safe mem
From: |
Richard Henderson |
Subject: |
Re: [qemu-s390x] [Qemu-devel] [PATCH v2 16/28] s390x/tcg: Fault-safe memmove |
Date: |
Wed, 11 Sep 2019 17:11:24 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 |
On 9/6/19 3:57 AM, David Hildenbrand wrote:
> Replace fast_memmove() variants by access_memmove() variants, that
> first try to probe access to all affected pages (maximum is two pages).
>
> In MVCOS, simply always call access_memmove_as() and drop the TODO
> about LAP. LAP is already handled in the MMU.
>
> Get rid of adj_len_to_page(), which is now unused.
>
> Signed-off-by: David Hildenbrand <address@hidden>
> ---
> target/s390x/mem_helper.c | 204 +++++++++++++++++++++-----------------
> 1 file changed, 115 insertions(+), 89 deletions(-)
Reviewed-by: Richard Henderson <address@hidden>
r~
- Re: [qemu-s390x] [Qemu-devel] [PATCH v2 13/28] s390x/tcg: MVST: Fix storing back the addresses to registers, (continued)
- [qemu-s390x] [PATCH v2 14/28] s390x/tcg: Always use MMU_USER_IDX for CONFIG_USER_ONLY, David Hildenbrand, 2019/09/06
- [qemu-s390x] [PATCH v2 15/28] s390x/tcg: Fault-safe memset, David Hildenbrand, 2019/09/06
- [qemu-s390x] [PATCH v2 17/28] s390x/tcg: MVCS/MVCP: Use access_memmove_idx(), David Hildenbrand, 2019/09/06
- [qemu-s390x] [PATCH v2 16/28] s390x/tcg: Fault-safe memmove, David Hildenbrand, 2019/09/06
- [qemu-s390x] [PATCH v2 18/28] s390x/tcg: MVC: Fault-safe handling on destructive overlaps, David Hildenbrand, 2019/09/06
- [qemu-s390x] [PATCH v2 19/28] s390x/tcg: MVCLU: Fault-safe handling, David Hildenbrand, 2019/09/06
- [qemu-s390x] [PATCH v2 20/28] s390x/tcg: OC: Fault-safe handling, David Hildenbrand, 2019/09/06
- [qemu-s390x] [PATCH v2 21/28] s390x/tcg: XC: Fault-safe handling, David Hildenbrand, 2019/09/06