[PATCH 2/4] riscv: __asm_copy_to-from_user: Fix: fail on RV32

[Geert Uytterhoeven]

Hi Tsukamoto-san,

Thanks for your patch!

On Tue, Jul 20, 2021 at 10:51 AM Akira Tsukamoto
<akira.tsukamoto at gmail.com> wrote:
> Had a bug when converting bytes to bits when the cpu was rv32.
>
> The a3 contains the number of bytes and multiple of 8
> would be the bits. The LGREG is holding 2 for RV32 and 3 for
> RV32, so to achieve multiple of 8 it must always be constant 3.

RV64

> The 2 was mistakenly used for rv32.
>
> Signed-off-by: Akira Tsukamoto <akira.tsukamoto at gmail.com>

Gr{oetje,eeting}s,

                        Geert


--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-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