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Wed, 12 Jan 2022 07:52:08 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id jfUJMaiI3mHOFgAAMHmgww (envelope-from ); Wed, 12 Jan 2022 07:52:08 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 8b4994dc-737c-11ec-9ce5-af14b9085ebd DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1641973928; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=hk2t7kPAvY+3dZVTknNcVTsuYNlO1nOhXZN4p3ayKEI=; b=IBSbMiTL1patSiAv1lnx4JTHoe4Y5gBeT0tGQ8hbU6gPb46Sydx+WWmilXrTLt06FrDk43 7EvBl2t0pB/EzgkRf5MYAEAjIqVD1VQMtF3TSReCsSMC5FHiFSyuqullWYIWJgTbFYNy1K GZKBzdK9Q6lElcoVekr5XUYPJKiKul8= To: Andrew Cooper , minios-devel@lists.xenproject.org, xen-devel@lists.xenproject.org Cc: samuel.thibault@ens-lyon.org, wl@xen.org References: <20220111151215.22955-1-jgross@suse.com> <20220111151215.22955-4-jgross@suse.com> From: Juergen Gross Subject: Re: [PATCH v2 03/12] mini-os: use alloc_file_type() and get_file_from_fd() in xs Message-ID: <501262b0-510b-3add-35a6-2f2ad7452518@suse.com> Date: Wed, 12 Jan 2022 08:52:08 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="A1HatdtAPfUZkXEEf8FF0CE6dXteoimh5" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --A1HatdtAPfUZkXEEf8FF0CE6dXteoimh5 Content-Type: multipart/mixed; boundary="iNLDoXZRwGxtj73uUSVYA0Sh38JtZkOCh"; protected-headers="v1" From: Juergen Gross To: Andrew Cooper , minios-devel@lists.xenproject.org, xen-devel@lists.xenproject.org Cc: samuel.thibault@ens-lyon.org, wl@xen.org Message-ID: <501262b0-510b-3add-35a6-2f2ad7452518@suse.com> Subject: Re: [PATCH v2 03/12] mini-os: use alloc_file_type() and get_file_from_fd() in xs References: <20220111151215.22955-1-jgross@suse.com> <20220111151215.22955-4-jgross@suse.com> In-Reply-To: --iNLDoXZRwGxtj73uUSVYA0Sh38JtZkOCh Content-Type: multipart/mixed; boundary="------------7F36A42CF615C1CF31D88612" Content-Language: en-US This is a multi-part message in MIME format. --------------7F36A42CF615C1CF31D88612 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable On 11.01.22 21:21, Andrew Cooper wrote: > On 11/01/2022 15:12, Juergen Gross wrote: >> void xs_daemon_close(struct xs_handle *h) >> { >> - int fd =3D _xs_fileno(h); >> - struct xenbus_event *event, *next; >> - for (event =3D files[fd].dev; event; event =3D next) >> - { >> - next =3D event->next; >> - free(event); >> - } >> + close(_xs_fileno(h)); >> } >=20 > You've deleted the sole caller of xs_daemon_close() from the main > close() function. >=20 > That said, I'm very confused, because nothing in minios declares it. > The declaration appears to come from xenstore.h, which is clearly > included unconditionally (when it ought not to be), but libxenstore als= o > defines the function too... I already thought of restructuring this mess. lib/xs.c is the Mini-OS variant of libxenstore, and as such it shares quite some code with libxenstore. So the correct thing to do would be to split libxenstore into a common part and a posix/Mini-OS part, drop lib/xs.c, and use the library in Mini-OS instead. But this should be done in a separate series. 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