Re: [PATCH] riscv: vector: Fix data pointer constraints in context save/restore

[Aurelien Jarno]

On 2026-09-08 21:03, Troy Mitchell wrote:
> The standard vector save/restore asm advances datap but declares it as
> input-only. An inlined caller reusing the original pointer may therefore
> use the advanced address instead.
> 
> Declare datap as read-write so the compiler can preserve the original
> pointer when needed.
> 
> Fixes: 03c3fcd9941a ("riscv: Introduce struct/helpers to save/restore per-task Vector state")
> Signed-off-by: Troy Mitchell <troy.mitchell@xxxxxxxxx>
> ---
>  arch/riscv/include/asm/vector.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Aurelien Jarno <aurelien@xxxxxxxxxxx>

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@xxxxxxxxxxx                     http://aurel32.net