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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 AD754C02185 for ; Wed, 15 Jan 2025 14:37:38 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tY4WN-0002Uv-Bw; Wed, 15 Jan 2025 09:37:27 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tY4W5-0002Qk-3I; Wed, 15 Jan 2025 09:37:11 -0500 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tY4Vy-0006nq-QB; Wed, 15 Jan 2025 09:37:05 -0500 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=olriidv7A3tyM6bmljEpUfHKcxoBpc5a3UJhy4JiR84=; b=T6IS/uAOiRU1edlwgoFko6UDPx 4q+J6nTt9Lj7QK9SWF7lZedZLerCvD86RItaO11b1dJMaH0cxC+sattftNweGYpGqZrXNhRPmJ0Hw Y2V8JzKtnEu+x+uOgizfwJDGLuzvlGBOeteF2ztXG88U+wontcblj79tZX6W6iLkKWT60OWVoAJC+ z96tg7bnbpc0FDtZ0et5UX37cNl9ugLfo9erOPI891JwM+RzDN8GDfVKcdCw7zDil80EyY6/DjvmX 53/XF4nCvWuCCenqwcy7+Gd7XGjp8/mpvSQwiCiqOwSzX5lMKuuFQs935hYn9Dy8I36UG3HyMZcqz i5YebbYg==; Received: from [54.240.197.234] (helo=freeip.amazon.com) by casper.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1tY4Vq-0000000Ejmc-1oFx; Wed, 15 Jan 2025 14:36:54 +0000 Message-ID: <70fb48c6d8516a4c4fe9318d20066fa78b72c4cb.camel@infradead.org> Subject: Re: [PATCH v2 0/2] xen: error handling and FreeBSD compatibility fixes From: David Woodhouse To: Roger Pau =?ISO-8859-1?Q?Monn=E9?= Cc: qemu-devel@nongnu.org, Stefano Stabellini , Anthony PERARD , Paul Durrant , "Edgar E. Iglesias" , Kevin Wolf , Hanna Reitz , =?ISO-8859-1?Q?Marc-Andr=E9?= Lureau , Paolo Bonzini , xen-devel@lists.xenproject.org, qemu-block@nongnu.org Date: Wed, 15 Jan 2025 15:36:53 +0100 In-Reply-To: References: <20250110093531.23221-1-roger.pau@citrix.com> Content-Type: multipart/signed; micalg="sha-256"; protocol="application/pkcs7-signature"; boundary="=-O/SC296LeBTMCgTutiLq" User-Agent: Evolution 3.52.3-0ubuntu1 MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Received-SPF: none client-ip=2001:8b0:10b:1236::1; envelope-from=BATV+fb641630334796bb9467+7815+infradead.org+dwmw2@casper.srs.infradead.org; helo=casper.infradead.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org --=-O/SC296LeBTMCgTutiLq Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2025-01-15 at 15:34 +0100, Roger Pau Monn=C3=A9 wrote: > On Fri, Jan 10, 2025 at 10:02:53AM +0000, David Woodhouse wrote: > > On Fri, 2025-01-10 at 10:35 +0100, Roger Pau Monne wrote: > > > Hello, > > >=20 > > > First patch from David introduces a new helper to fetch xenstore node= s, > > > while second patch removes the usage of scanf related functions with = the > > > "%ms" format specifier, as it's not supported by the FreeBSD scanf li= bc > > > implementation. > > >=20 > > > Thanks, Roger. > >=20 > > Thanks. I've got a handful of non-bugfix cleanups to use the new > > xs_node_read in my tree at > > https://git.infradead.org/users/dwmw2/qemu.git/shortlog/refs/heads/xs_n= ode_read > >=20 > > David Woodhouse (4): > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 hw/xen: Use xs_node_read() from xs_node_= vscanf() > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 hw/xen: Use xs_node_read() from xen_cons= ole_get_name() > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 hw/xen: Use xs_node_read() from xen_netd= ev_get_name() > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 hw/xen: Use xs_node_read() from xenstore= _read_str() instead of open-coding it >=20 > Acked-by: Roger Pau Monn=C3=A9 Thanks. I'll add that on each of the four. > > I'm slightly dubious about the last one; xen_pvdev.c didn't previously > > use anything from xen-bus-helper.c and even hardcodes zero for > > XBT_NULL. And I look at the way it deliberately reallocates the string, > > and wonder if we should be doing that in qemu_xen_xs_read() for the > > true Xen case. And does it even matter anywhere except Windows? >=20 > I would take the opportunity to use XBT_NULL instead of 0 on > xen_pvdev.c for the transaction. Yeah, probably a separate patch. --=-O/SC296LeBTMCgTutiLq Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCD9Aw ggSOMIIDdqADAgECAhAOmiw0ECVD4cWj5DqVrT9PMA0GCSqGSIb3DQEBCwUAMGUxCzAJBgNVBAYT AlVTMRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5jb20xJDAi BgNVBAMTG0RpZ2lDZXJ0IEFzc3VyZWQgSUQgUm9vdCBDQTAeFw0yNDAxMzAwMDAwMDBaFw0zMTEx MDkyMzU5NTlaMEExCzAJBgNVBAYTAkFVMRAwDgYDVQQKEwdWZXJva2V5MSAwHgYDVQQDExdWZXJv a2V5IFNlY3VyZSBFbWFpbCBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMjvgLKj jfhCFqxYyRiW8g3cNFAvltDbK5AzcOaR7yVzVGadr4YcCVxjKrEJOgi7WEOH8rUgCNB5cTD8N/Et GfZI+LGqSv0YtNa54T9D1AWJy08ZKkWvfGGIXN9UFAPMJ6OLLH/UUEgFa+7KlrEvMUupDFGnnR06 aDJAwtycb8yXtILj+TvfhLFhafxroXrflspavejQkEiHjNjtHnwbZ+o43g0/yxjwnarGI3kgcak7 nnI9/8Lqpq79tLHYwLajotwLiGTB71AGN5xK+tzB+D4eN9lXayrjcszgbOv2ZCgzExQUAIt98mre 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