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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92F34C07545 for ; Tue, 24 Oct 2023 12:35:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232280AbjJXMfp (ORCPT ); Tue, 24 Oct 2023 08:35:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231531AbjJXMfn (ORCPT ); Tue, 24 Oct 2023 08:35:43 -0400 Received: from mail-wm1-x329.google.com (mail-wm1-x329.google.com [IPv6:2a00:1450:4864:20::329]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02B00120 for ; Tue, 24 Oct 2023 05:35:41 -0700 (PDT) Received: by mail-wm1-x329.google.com with SMTP id 5b1f17b1804b1-408002b5b9fso36448945e9.3 for ; Tue, 24 Oct 2023 05:35:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1698150939; x=1698755739; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:organization:references:cc:to :content-language:subject:reply-to:user-agent:mime-version:date :message-id:from:from:to:cc:subject:date:message-id:reply-to; bh=Jt2cxa6ddwVCH4+7Ko2rashlvH36j0rjOEJrfGyoF5I=; b=RTzkQzHzPD+Xnw2VyRV3INsSpuDstSQtiBIBYpUjM1oqJirPmQ4GOQ6Nni3oTQVm/R 2YOo4pbAZ1PP7U0dU2TxY9cWg5N4YCfaqwX5RrfstrAsS9udCosRloj7lEtm5nJbEWWJ evPkko//F1dqefSOaBzoR5ZhsuLxJLqlhxm+Zj32eFuXLBAM3xL+lc3dSGUPqwJoCVtq nfI6tXlWP6qhwIxanNN0MURJuM4H+usoRcoookr0g7QtoZ8Fcq9UKSdgfYH59a6tAXTv Y0OkpFs6/WKUK6ehK08j9wA9EPw+1bHaTga9sw1hH7dmP8Hy/FZu3FfULPVMKSDXl3vq LPew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698150939; x=1698755739; h=content-transfer-encoding:in-reply-to:organization:references:cc:to :content-language:subject:reply-to:user-agent:mime-version:date :message-id:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=Jt2cxa6ddwVCH4+7Ko2rashlvH36j0rjOEJrfGyoF5I=; b=RyLnsmvm/PysF/r18jmo4JGcM6ZZOje1iNjAObLHHtTa21lDsh09f3bjWhssVWncdF nkbbfO8X5S7pkzUAirmn+VtA+G21uygVav1VxkLvHMiWomKTnxJOTB41tyF/ZurxG/Iv 3f3gzniaOb7zbvt/+C5ZmjkmvR3dg90tMmnqJRMpjxKUP145VRO2IW2xWpfw2qiq7Mlc pxAc7kP5pZgkqLqcrTmSujRzRuT2jOvs3mn9rT+IQPVRG9ymW6FqDnr2TKC9+7/wQ47Q QCgEAS9uaT/vMCoyorPLV5YoH6A4/v05qhPCjXpGp8WxjdFHWGPBPoCEk7SPyk9Qgm58 ElWA== X-Gm-Message-State: AOJu0YyePkuQ/XrY37bst194e7Aq66AHC8Y8/QX2k0/vzMZWLSY7y/oj rINZQFYqJ7/U8o1L+pO79NU= X-Google-Smtp-Source: AGHT+IHcviZwp5sEUV8HujATdN4eCJmLKJnxtVpxw/CtGmvUMvR85yAd1lcelMOmu9e8/DWbEGFBkQ== X-Received: by 2002:a05:600c:154e:b0:405:4a78:a890 with SMTP id f14-20020a05600c154e00b004054a78a890mr9583548wmg.8.1698150939091; Tue, 24 Oct 2023 05:35:39 -0700 (PDT) Received: from [192.168.6.66] (54-240-197-230.amazon.com. [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 Reply-To: paul@xen.org 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 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.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