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From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Oleg Nesterov <oleg@redhat.com>, Will Deacon <will@kernel.org>,
        Mark Brown <broonie@kernel.org>
Cc:     linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org
Subject: Re: [PATCH] arm64/ptrace: Flush FP state when setting ZT0
Date:   Thu,  3 Aug 2023 18:28:15 +0100
Message-Id: <169108367979.2495938.10107968359301663426.b4-ty@arm.com>
In-Reply-To: <20230803-arm64-fix-ptrace-zt0-flush-v1-1-72e854eaf96e@kernel.org>
References: <20230803-arm64-fix-ptrace-zt0-flush-v1-1-72e854eaf96e@kernel.org>
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On Thu, 03 Aug 2023 01:19:06 +0100, Mark Brown wrote:
> When setting ZT0 via ptrace we do not currently force a reload of the
> floating point register state from memory, do that to ensure that the newly
> set value gets loaded into the registers on next task execution.
> 
> The function was templated off the function for FPSIMD which due to our
> providing the option of embedding a FPSIMD regset within the SVE regset
> does not directly include the flush.
> 
> [...]

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

[1/1] arm64/ptrace: Flush FP state when setting ZT0
      https://git.kernel.org/arm64/c/89a65c3f170e

-- 
Catalin