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 2B692C07545 for ; Tue, 24 Oct 2023 12:54:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234449AbjJXMyH (ORCPT ); Tue, 24 Oct 2023 08:54:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234481AbjJXMyC (ORCPT ); Tue, 24 Oct 2023 08:54:02 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A427990 for ; Tue, 24 Oct 2023 05:53:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=MIME-Version:Content-Type:References: In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=tZORqiZM5Mg8CsBOodaxjXWIJsfRLfCeFzvnqFeufUE=; b=isgEbbZxTGK3/gacOH80tg/kp3 1PRnFvrB5+RfQQioiahTo2Qi7mKCyMKa6jNvVcrEYMed3RvXYz32DWNmKyuxMpbQAUCdniVpOlwzV pqNzCgyK/yUR1Do0ppxvjKT8vrdMYfgSS6tRgd8qpl7zPPV1OGwqon3lXM7nai7Ca6/pN1ueYDjaV Z2ZULgKIH672xfIgyyqzIpUwvundzPX6ti6Y08nzmxj3yKa5RrNBc6YmtYBkYsfXbDLmf41kdNlm4 P3BiKMJ6mD/+Hro5LsJknt9HCNBmrjNzx3HkoqIC70DIKiv3GVtRYZkxFLCA6fzc/dwmDbEjbpPnr qlMerV/Q==; Received: from [2001:8b0:10b:5:758e:a1c4:bc7:e7a7] (helo=u3832b3a9db3152.ant.amazon.com) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1qvGuc-002Zca-5U; Tue, 24 Oct 2023 12:53:34 +0000 Message-ID: Subject: Re: [PATCH 05/12] hw/xen: populate store frontend nodes with XenStore PFN/port From: David Woodhouse To: paul@xen.org, qemu-devel@nongnu.org Cc: Kevin Wolf , Hanna Reitz , Stefano Stabellini , Anthony Perard , =?ISO-8859-1?Q?Marc-Andr=E9?= 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 Date: Tue, 24 Oct 2023 13:53:33 +0100 In-Reply-To: <84ac7780-e17a-4957-b49b-46a8307eb9da@xen.org> References: <20231016151909.22133-1-dwmw2@infradead.org> <20231016151909.22133-6-dwmw2@infradead.org> <84ac7780-e17a-4957-b49b-46a8307eb9da@xen.org> Content-Type: multipart/signed; micalg="sha-256"; protocol="application/pkcs7-signature"; boundary="=-LuZ5CpWyylw6gO3a352G" User-Agent: Evolution 3.44.4-0ubuntu2 MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org --=-LuZ5CpWyylw6gO3a352G Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2023-10-24 at 13:35 +0100, Paul Durrant wrote: > On 16/10/2023 16:19, David Woodhouse wrote: > > From: David Woodhouse > >=20 > > 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 >=20 > ^ typo >=20 > > 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. > >=20 >=20 > ... although this can also be done by querying the remote end of the=20 > port before reset. >=20 I think you had to do that anyway; I don't think I was supposed to be putting s->be_port in there anyway; it was supposed to be the *frontend* port, and I've changed that in my tree. I'll drop this whole sentence (and fix the typo). > > Signed-off-by: David Woodhouse > > --- > > =C2=A0 hw/i386/kvm/xen_xenstore.c | 10 ++++++++++ > > =C2=A0 1 file changed, 10 insertions(+) > >=20 >=20 > Reviewed-by: Paul Durrant >=20 --=-LuZ5CpWyylw6gO3a352G Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCEkQw ggYQMIID+KADAgECAhBNlCwQ1DvglAnFgS06KwZPMA0GCSqGSIb3DQEBDAUAMIGIMQswCQYDVQQG EwJVUzETMBEGA1UECBMKTmV3IEplcnNleTEUMBIGA1UEBxMLSmVyc2V5IENpdHkxHjAcBgNVBAoT FVRoZSBVU0VSVFJVU1QgTmV0d29yazEuMCwGA1UEAxMlVVNFUlRydXN0IFJTQSBDZXJ0aWZpY2F0 aW9uIEF1dGhvcml0eTAeFw0xODExMDIwMDAwMDBaFw0zMDEyMzEyMzU5NTlaMIGWMQswCQYDVQQG EwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3JkMRgwFgYD VQQKEw9TZWN0aWdvIExpbWl0ZWQxPjA8BgNVBAMTNVNlY3RpZ28gUlNBIENsaWVudCBBdXRoZW50 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