Messages in this thread | | | From | Geert Uytterhoeven <> | Date | Tue, 20 Jul 2021 11:49:18 +0200 | Subject | Re: [PATCH 2/4] riscv: __asm_copy_to-from_user: Fix: fail on RV32 |
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Hi Tsukamoto-san,
Thanks for your patch!
On Tue, Jul 20, 2021 at 10:51 AM Akira Tsukamoto <akira.tsukamoto@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@gmail.com>
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@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
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