linux-kernel - Re: [PATCH v2] arm64/fpsimd: Exit streaming mode when flushing tasks

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Message-Id: <168693750644.2414106.2496939341668921695.b4-ty@arm.com>
Date:   Fri, 16 Jun 2023 18:45:08 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Will Deacon <will@...nel.org>, Mark Brown <broonie@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Anders Roxell <anders.roxell@...aro.org>,
        Naresh Kamboju <naresh.kamboju@...aro.org>
Subject: Re: [PATCH v2] arm64/fpsimd: Exit streaming mode when flushing tasks

On Fri, 09 Jun 2023 23:43:41 +0100, Mark Brown wrote:
> Ensure there is no path where we might attempt to save SME state after we
> flush a task by updating the SVCR register state as well as updating our
> in memory state. I haven't seen a specific case where this is happening or
> seen a path where it might happen but for the cost of a single low overhead
> instruction it seems sensible to close the potential gap.
> 
> 
> [...]

Applied to arm64 (for-next/misc), thanks!

[1/1] arm64/fpsimd: Exit streaming mode when flushing tasks
      https://git.kernel.org/arm64/c/af3215fd0230

-- 
Catalin