Subject: Re: [PATCH v11 34/40] kselftest/arm64: sme: Provide streaming mode SVE stress test

From: Catalin Marinas <[email-masked]>
Date: Wed, 23 Feb 2022 15:45:59 +0000

On Mon, Feb 07, 2022 at 03:21:03PM +0000, Mark Brown wrote:
> One of the features of SME is the addition of streaming mode, in which we
> have access to a set of streaming mode SVE registers at the SME vector
> length. Since these are accessed using the SVE instructions let's reuse
> the existing SVE stress test for testing with a compile time option for
> controlling the few small differences needed:
> 
>  - Enter streaming mode immediately on starting the program.
>  - In streaming mode FFR is removed so skip reading and writing FFR.
> 
> In order to avoid requiring a cutting edge toolchain with SME support
> use the op/CR form for specifying SVCR.
> 
> Signed-off-by: Mark Brown <[email-masked]>

Acked-by: Catalin Marinas <[email-masked]>

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