Re: [PATCH -next v18 10/20] riscv: Allocate user's vector context in the first-use trap

Conor Dooley
2023-04-14T16:40:53Z

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On Fri, Apr 14, 2023 at 03:58:33PM +0000, Andy Chiu wrote:
> Vector unit is disabled by default for all user processes. Thus, a
> process will take a trap (illegal instruction) into kernel at the first
> time when it uses Vector. Only after then, the kernel allocates V
> context and starts take care of the context for that user process.
>
> Suggested-by: Richard Henderson <richard.henderson@linaro.org>
> Link: https://lore.kernel.org/r/3923eeee-e4dc-0911-40bf-84c34aee962d@linaro.org
> Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
> Acked-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
> Tested-by: Heiko Stuebner <heiko.stuebner@vrull.eu>

I meant to reply to v17 saying that you could re-add my R-b, so:
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Thanks,
Conor.

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