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[31.30.174.28]) by smtp.gmail.com with ESMTPSA id p10sm1508944ejf.45.2021.10.14.02.33.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Oct 2021 02:33:37 -0700 (PDT) Date: Thu, 14 Oct 2021 11:33:35 +0200 From: Andrew Jones To: Marc Zyngier Cc: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, will@kernel.org, james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, mark.rutland@arm.com, pbonzini@redhat.com, oupton@google.com, qperret@google.com, kernel-team@android.com, tabba@google.com Subject: Re: [PATCH v9 15/22] KVM: arm64: pkvm: Drop AArch32-specific registers Message-ID: <20211014093335.puukcvmhts5t4jmh@gator.home> References: <20211010145636.1950948-12-tabba@google.com> <20211013120346.2926621-1-maz@kernel.org> <20211013120346.2926621-5-maz@kernel.org> MIME-Version: 1.0 In-Reply-To: <20211013120346.2926621-5-maz@kernel.org> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=drjones@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211014_023343_139781_579C0837 X-CRM114-Status: GOOD ( 14.50 ) 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 Wed, Oct 13, 2021 at 01:03:39PM +0100, Marc Zyngier wrote: > All the SYS_*32_EL2 registers are AArch32-specific. Since we forbid > AArch32, there is no need to handle those in any way. > > Signed-off-by: Marc Zyngier > --- > arch/arm64/kvm/hyp/nvhe/sys_regs.c | 4 ---- > 1 file changed, 4 deletions(-) > > diff --git a/arch/arm64/kvm/hyp/nvhe/sys_regs.c b/arch/arm64/kvm/hyp/nvhe/sys_regs.c > index 042a1c0be7e0..e2b3a9e167da 100644 > --- a/arch/arm64/kvm/hyp/nvhe/sys_regs.c > +++ b/arch/arm64/kvm/hyp/nvhe/sys_regs.c > @@ -452,10 +452,6 @@ static const struct sys_reg_desc pvm_sys_reg_descs[] = { > HOST_HANDLED(SYS_CNTP_CVAL_EL0), > > /* Performance Monitoring Registers are restricted. */ > - > - HOST_HANDLED(SYS_DACR32_EL2), > - HOST_HANDLED(SYS_IFSR32_EL2), > - HOST_HANDLED(SYS_FPEXC32_EL2), > }; > > /* > -- > 2.30.2 > Reviewed-by: Andrew Jones _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel