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[54.240.197.230]) by smtp.gmail.com with ESMTPSA id p15-20020a05600c1d8f00b00402d34ea099sm16729462wms.29.2023.10.24.05.35.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 24 Oct 2023 05:35:38 -0700 (PDT) From: Paul Durrant X-Google-Original-From: Paul Durrant Message-ID: <84ac7780-e17a-4957-b49b-46a8307eb9da@xen.org> Date: Tue, 24 Oct 2023 13:35:37 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 05/12] hw/xen: populate store frontend nodes with XenStore PFN/port Content-Language: en-US To: David Woodhouse , qemu-devel@nongnu.org Cc: Kevin Wolf , Hanna Reitz , Stefano Stabellini , Anthony Perard , =?UTF-8?Q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , "Michael S. Tsirkin" , Marcel Apfelbaum , Richard Henderson , Eduardo Habkost , Marcelo Tosatti , qemu-block@nongnu.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org References: <20231016151909.22133-1-dwmw2@infradead.org> <20231016151909.22133-6-dwmw2@infradead.org> Organization: Xen Project In-Reply-To: <20231016151909.22133-6-dwmw2@infradead.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::32e; envelope-from=xadimgnik@gmail.com; helo=mail-wm1-x32e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: paul@xen.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 16/10/2023 16:19, David Woodhouse wrote: > From: David Woodhouse > > This is kind of redundant since without being able to get these through > ome other method (HVMOP_get_param) the guest wouldn't be able to access ^ typo > XenStore in order to find them. But Xen populates them, and it does > allow guests to *rebind* to the event channel port after a reset. > ... although this can also be done by querying the remote end of the port before reset. > Signed-off-by: David Woodhouse > --- > hw/i386/kvm/xen_xenstore.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > Reviewed-by: Paul Durrant