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

[Akira Tsukamoto]

Hi Geert,

On 7/20/2021 6:49 PM, Geert Uytterhoeven wrote:
> Hi Tsukamoto-san,
> 
> Thanks for your patch!
> 
> On Tue, Jul 20, 2021 at 10:51 AM Akira Tsukamoto
> <akira.tsukamoto@xxxxxxxxx> 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

Thanks, the LGREG is holding 2 for RV32 and 3 for RV64 (not RV32).

Akira