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Mon, 10 Feb 2025 22:05:48 -0800 (PST) Received: from debug.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7308aa3a1cfsm3437000b3a.137.2025.02.10.22.05.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Feb 2025 22:05:48 -0800 (PST) Date: Mon, 10 Feb 2025 22:05:46 -0800 From: Deepak Gupta To: =?iso-8859-1?Q?Cl=E9ment_L=E9ger?= Cc: Paul Walmsley , Palmer Dabbelt , Anup Patel , Atish Patra , Shuah Khan , Jonathan Corbet , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org, Samuel Holland Subject: Re: [PATCH v2 15/15] RISC-V: KVM: add support for SBI_FWFT_MISALIGNED_DELEG Message-ID: References: <20250210213549.1867704-1-cleger@rivosinc.com> <20250210213549.1867704-16-cleger@rivosinc.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20250210213549.1867704-16-cleger@rivosinc.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250210_220549_801597_E0AC05E1 X-CRM114-Status: UNSURE ( 7.81 ) X-CRM114-Notice: Please train this message. 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Mon, 10 Feb 2025 22:05:48 -0800 (PST) Received: from debug.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7308aa3a1cfsm3437000b3a.137.2025.02.10.22.05.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Feb 2025 22:05:48 -0800 (PST) Date: Mon, 10 Feb 2025 22:05:46 -0800 From: Deepak Gupta To: =?iso-8859-1?Q?Cl=E9ment_L=E9ger?= Cc: Paul Walmsley , Palmer Dabbelt , Anup Patel , Atish Patra , Shuah Khan , Jonathan Corbet , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org, Samuel Holland Subject: Re: [PATCH v2 15/15] RISC-V: KVM: add support for SBI_FWFT_MISALIGNED_DELEG Message-ID: References: <20250210213549.1867704-1-cleger@rivosinc.com> <20250210213549.1867704-16-cleger@rivosinc.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250210213549.1867704-16-cleger@rivosinc.com> On Mon, Feb 10, 2025 at 10:35:48PM +0100, Clément Léger wrote: >SBI_FWFT_MISALIGNED_DELEG needs hedeleg to be modified to delegate >misaligned load/store exceptions. Save and restore it during CPU >load/put. > >Signed-off-by: Clément Léger Reviewed-by: Deepak Gupta >--- > arch/riscv/kvm/vcpu.c | 3 +++ > arch/riscv/kvm/vcpu_sbi_fwft.c | 39 ++++++++++++++++++++++++++++++++++ > 2 files changed, 42 insertions(+) > >diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E3D5CC0219E for ; Tue, 11 Feb 2025 06:05:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; 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Mon, 10 Feb 2025 22:05:48 -0800 (PST) Received: from debug.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7308aa3a1cfsm3437000b3a.137.2025.02.10.22.05.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Feb 2025 22:05:48 -0800 (PST) Date: Mon, 10 Feb 2025 22:05:46 -0800 From: Deepak Gupta To: =?iso-8859-1?Q?Cl=E9ment_L=E9ger?= Cc: Paul Walmsley , Palmer Dabbelt , Anup Patel , Atish Patra , Shuah Khan , Jonathan Corbet , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org, Samuel Holland Subject: Re: [PATCH v2 15/15] RISC-V: KVM: add support for SBI_FWFT_MISALIGNED_DELEG Message-ID: References: <20250210213549.1867704-1-cleger@rivosinc.com> <20250210213549.1867704-16-cleger@rivosinc.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20250210213549.1867704-16-cleger@rivosinc.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250210_220549_801440_691C27E6 X-CRM114-Status: UNSURE ( 7.81 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Mon, Feb 10, 2025 at 10:35:48PM +0100, Cl=E9ment L=E9ger wrote: >SBI_FWFT_MISALIGNED_DELEG needs hedeleg to be modified to delegate >misaligned load/store exceptions. Save and restore it during CPU >load/put. > >Signed-off-by: Cl=E9ment L=E9ger Reviewed-by: Deepak Gupta >--- > arch/riscv/kvm/vcpu.c | 3 +++ > arch/riscv/kvm/vcpu_sbi_fwft.c | 39 ++++++++++++++++++++++++++++++++++ > 2 files changed, 42 insertions(+) > >diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv