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References: <20230629142228.1125715-1-bjorn@kernel.org>
Subject: Re: [PATCH v4] riscv: Discard vector state on syscalls
Message-Id: <168860030759.22647.12460788590492187878.b4-ty@rivosinc.com>
Date:   Wed, 05 Jul 2023 16:38:27 -0700
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Cc:     =C3=B6rn_T=C3=B6pel?= <bjorn@rivosinc.com>,
        linux-kernel@vger.kernel.org, linux@rivosinc.com,
        C3=A9mi_Denis-Courmont?= <remi@remlab.net>,
        Darius Rad <darius@bluespec.com>,
        Conor Dooley <conor.dooley@microchip.com>
From:   Palmer Dabbelt <palmer@rivosinc.com>
To:     Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        linux-riscv@lists.infradead.org, Andy Chiu <andy.chiu@sifive.com>,
        =C3=B6rn_T=C3=B6pel?= <bjorn@kernel.org>
Precedence: bulk


On Thu, 29 Jun 2023 16:22:28 +0200, Björn Töpel wrote:
> The RISC-V vector specification states:
>   Executing a system call causes all caller-saved vector registers
>   (v0-v31, vl, vtype) and vstart to become unspecified.
> 
> The vector registers are set to all 1s, vill is set (invalid), and the
> vector status is set to Dirty.
> 
> [...]

Applied, thanks!

[1/1] riscv: Discard vector state on syscalls
      https://git.kernel.org/palmer/c/9657e9b7d253

Best regards,
-- 
Palmer Dabbelt <palmer@rivosinc.com>