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([2001:b07:6468:f312:29d3:6123:6d5f:2c04]) by smtp.gmail.com with ESMTPSA id t15sm56691815wrx.84.2019.07.30.05.10.55 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Tue, 30 Jul 2019 05:10:55 -0700 (PDT) Subject: Re: [RFC PATCH 06/16] RISC-V: KVM: Implement KVM_GET_ONE_REG/KVM_SET_ONE_REG ioctls To: Anup Patel Cc: Anup Patel , Palmer Dabbelt , Paul Walmsley , Radim K , Daniel Lezcano , Thomas Gleixner , Atish Patra , Alistair Francis , Damien Le Moal , Christoph Hellwig , "kvm@vger.kernel.org" , "linux-riscv@lists.infradead.org" , "linux-kernel@vger.kernel.org" References: <20190729115544.17895-1-anup.patel@wdc.com> <20190729115544.17895-7-anup.patel@wdc.com> <3caa5b31-f5ed-98cd-2bdf-88d8cb837919@redhat.com> <536673cd-3b84-4e56-6042-de73a536653f@redhat.com> From: Paolo Bonzini Openpgp: preference=signencrypt Message-ID: <9f84c328-c5ad-b3cc-df0f-05f113476341@redhat.com> Date: Tue, 30 Jul 2019 14:10:54 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 30/07/19 14:08, Anup Patel wrote: >> Still, I would prefer all the VS CSRs to be accessible via the get/set >> reg ioctls. > We had implemented VS CSRs access to user-space but then we > removed it to keep this series simple and easy to review. We thought > of adding it later when we deal with Guest/VM migration. > > Do you want it to be added as part of this series ? Yes, please. It's not enough code to deserve a separate patch, and it is useful for debugging. Paolo