Re: [PATCH 09/12] riscv: clear the instruction cache and all registers when booting

Paul Walmsley
2019-11-14T07:45:13Z

On Mon, 28 Oct 2019, Christoph Hellwig wrote:

> When we get booted we want a clear slate without any leaks from previous
> supervisors or the firmware. Flush the instruction cache and then clear
> all registers to known good values. This is really important for the
> upcoming nommu support that runs on M-mode, but can't really harm when
> running in S-mode either. Vaguely based on the concepts from opensbi.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: Anup Patel <anup@brainfault.org>

Thanks, queued for v5.5-rc1.

- Paul