Re: [PATCH 0/2] RISC-V: Add Ztso extension

[Alistair Francis]

On Wed, Feb 7, 2024 at 10:24 PM Christoph Müllner
<christoph.muellner@vrull.eu> wrote:
>
> The first patch of this series picks up an earlier v2 Ztso patch from Palmer,
> which can be found here:
>   
> https://patchwork.kernel.org/project/qemu-devel/patch/20220917072635.11616-1-palmer@rivosinc.com/
> This patch did not apply cleanly but the necessary changes were trivial.
> There was a request to extend the commit message, which is part of the
> posted patch of this series.  As this patch was reviewed a year ago,
> I believe it could be merged.
>
> The second patch simply exposes Ztso via hwprobe.
>
> Relevant in this context might be also, that Richard's patch to improve
> TCG's memory barrier selection depending on host and guest memory ordering
> landed in June 2023:
>   
> https://lore.kernel.org/all/a313b36b-dcc1-f812-ccbd-afed1cbd523b@linaro.org/T/
>
> The first patch was already sent as part of an RFC series for Ssdtso:
>   https://lists.nongnu.org/archive/html/qemu-devel/2023-11/msg02962.html
> Since I don't want to keep this patch until the ratification of Ssdtso,
> I would like to get this merged independent of Ssdtso.
>
> This series is based on today's riscv-to-apply.next with my other series
> that adds the new hwprobe keys
> (https://lists.gnu.org/archive/html/qemu-devel/2024-02/msg01293.html).
>
> This series can also be found here:
>   https://github.com/cmuellner/qemu/tree/ztso
>
> Christoph Müllner (1):
>   linux-user/riscv: Add Ztso extension to hwprobe
>
> Palmer Dabbelt (1):
>   RISC-V: Add support for Ztso

Thanks!

Applied to riscv-to-apply.next

Alistair

>
>  linux-user/syscall.c                    |  3 +++
>  target/riscv/cpu.c                      |  2 ++
>  target/riscv/cpu_cfg.h                  |  1 +
>  target/riscv/insn_trans/trans_rva.c.inc | 11 ++++++++---
>  target/riscv/insn_trans/trans_rvi.c.inc | 16 ++++++++++++++--
>  target/riscv/insn_trans/trans_rvv.c.inc | 20 ++++++++++++++++++++
>  target/riscv/translate.c                |  3 +++
>  7 files changed, 51 insertions(+), 5 deletions(-)
>
> --
> 2.43.0
>
>