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[35.233.69.230]) by smtp.gmail.com with ESMTPSA id s18sm24967422wrr.27.2021.03.16.03.31.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Mar 2021 03:31:48 -0700 (PDT) Date: Tue, 16 Mar 2021 10:31:46 +0000 From: Quentin Perret To: Marc Zyngier Cc: kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, dave.martin@arm.com, daniel.kiss@arm.com, Will Deacon , Catalin Marinas , James Morse , Julien Thierry , Suzuki K Poulose , broonie@kernel.org, kernel-team@android.com Subject: Re: [PATCH 01/10] KVM: arm64: Provide KVM's own save/restore SVE primitives Message-ID: References: <20210316101312.102925-1-maz@kernel.org> <20210316101312.102925-2-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210316101312.102925-2-maz@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210316_103150_644021_749878C1 X-CRM114-Status: GOOD ( 11.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tuesday 16 Mar 2021 at 10:13:03 (+0000), Marc Zyngier wrote: > diff --git a/arch/arm64/kvm/hyp/fpsimd.S b/arch/arm64/kvm/hyp/fpsimd.S > index 01f114aa47b0..e4010d1acb79 100644 > --- a/arch/arm64/kvm/hyp/fpsimd.S > +++ b/arch/arm64/kvm/hyp/fpsimd.S > @@ -19,3 +19,13 @@ SYM_FUNC_START(__fpsimd_restore_state) > fpsimd_restore x0, 1 > ret > SYM_FUNC_END(__fpsimd_restore_state) > + > +SYM_FUNC_START(__sve_restore_state) > + sve_load 0, x1, x2, 3, x4 > + ret > +SYM_FUNC_END(__sve_restore_state) Nit: maybe this could be named __sve_load_state() for consistency with the EL1 version? > +SYM_FUNC_START(__sve_save_state) > + sve_save 0, x1, 2 > + ret > +SYM_FUNC_END(__sve_restore_state) SYM_FUNC_END(__sve_save_state) here? Thanks, Quentin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel