linux-kernel - Re: [PATCH 0/4] __asm_copy_to-from

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Date:   Tue, 20 Jul 2021 11:31:51 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Akira Tsukamoto <akira.tsukamoto@...il.com>
Cc:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Gabriel L. Somlo" <gsomlo@...il.com>
Subject: Re: [PATCH 0/4] __asm_copy_to-from_user: Fixes

Hi Tsukamoto-san,

On Tue, Jul 20, 2021 at 10:49 AM Akira Tsukamoto
<akira.tsukamoto@...il.com> wrote:
> These are series for the fix reported by Guenter, Geert and Qiu.
>
> One patch to fix overrun memory access, one patch to fix on rv32.
> And two more for clean up and typos.
>
> Have tested on qemu rv32, qemu rv64 and beaglev beta board.
>
> Thanks for the report and instructions to reproduce the error on rv32.
>
> Akira
>
> Akira Tsukamoto (4):
>   riscv: __asm_copy_to-from_user: Fix: overrun copy
>   riscv: __asm_copy_to-from_user: Fix: fail on RV32
>   riscv: __asm_copy_to-from_user: Remove unnecessary size check
>   riscv: __asm_copy_to-from_user: Fix: Typos in comments
>
>  arch/riscv/lib/uaccess.S | 27 +++++++++++++--------------
>  1 file changed, 13 insertions(+), 14 deletions(-)

Thanks, RV32 (vexriscv) is booting fine again.

Tested-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds