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 X-Spam-Level: X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A826C433EF for ; Thu, 23 Sep 2021 04:46:04 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 45D8360F56 for ; Thu, 23 Sep 2021 04:46:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 45D8360F56 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.193415.344506 (Exim 4.92) (envelope-from ) id 1mTGcO-0007Ro-AS; Thu, 23 Sep 2021 04:45:56 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 193415.344506; Thu, 23 Sep 2021 04:45:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mTGcO-0007Rh-6V; Thu, 23 Sep 2021 04:45:56 +0000 Received: by outflank-mailman (input) for mailman id 193415; Thu, 23 Sep 2021 04:45:55 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mTGcN-0007RV-Dg for xen-devel@lists.xenproject.org; Thu, 23 Sep 2021 04:45:55 +0000 Received: from smtp-out2.suse.de (unknown [195.135.220.29]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 22852d3e-1c29-11ec-ba14-12813bfff9fa; Thu, 23 Sep 2021 04:45:54 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id C69CA1FD6F; Thu, 23 Sep 2021 04:45:53 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 781FA13DBB; Thu, 23 Sep 2021 04:45:53 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id o24jHIEGTGFwOAAAMHmgww (envelope-from ); Thu, 23 Sep 2021 04:45:53 +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: 22852d3e-1c29-11ec-ba14-12813bfff9fa DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1632372353; 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=HmN9x6rySyJ9lUi9QYfe8S0ZHeO+Ta1jHzRHG0MMrbg=; b=dOZsXn5pKF/mnbvYLocKNOzoAe6pDthx4PJwpOd2WGWLD3xvRgdrcTKMQjzNFWqFq2K0vc Uz8xurjQ6hRNnB3wdQKaR66e9/3yk6u40ZQj7Lkr7H0IcimRIZTC4599/ByHgVjmyRmMTB zKr3RQDF91/CHewQuLbz14b5s4NSf3U= Subject: Re: [PATCH v2 2/2] x86/xen: switch initial pvops IRQ functions to dummy ones To: Boris Ostrovsky , xen-devel@lists.xenproject.org, x86@kernel.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: peterz@infradead.org, Deep Shah , "VMware, Inc." , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Stefano Stabellini References: <20210922103102.3589-1-jgross@suse.com> <20210922103102.3589-3-jgross@suse.com> <429cdc9b-b9f1-5393-8baf-cdd2046cd65a@oracle.com> From: Juergen Gross Message-ID: Date: Thu, 23 Sep 2021 06:45:52 +0200 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: <429cdc9b-b9f1-5393-8baf-cdd2046cd65a@oracle.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="6k9FXmeDukZ9ZMu6ldsw95ygj9YXpZQo4" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --6k9FXmeDukZ9ZMu6ldsw95ygj9YXpZQo4 Content-Type: multipart/mixed; boundary="7roZvm7HEwotfUhEtHFwEXWgMEbTw8Sr9"; protected-headers="v1" From: Juergen Gross To: Boris Ostrovsky , xen-devel@lists.xenproject.org, x86@kernel.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: peterz@infradead.org, Deep Shah , "VMware, Inc." , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Stefano Stabellini Message-ID: Subject: Re: [PATCH v2 2/2] x86/xen: switch initial pvops IRQ functions to dummy ones References: <20210922103102.3589-1-jgross@suse.com> <20210922103102.3589-3-jgross@suse.com> <429cdc9b-b9f1-5393-8baf-cdd2046cd65a@oracle.com> In-Reply-To: <429cdc9b-b9f1-5393-8baf-cdd2046cd65a@oracle.com> --7roZvm7HEwotfUhEtHFwEXWgMEbTw8Sr9 Content-Type: multipart/mixed; boundary="------------E8E80534100E141BF91E57C6" Content-Language: en-US This is a multi-part message in MIME format. --------------E8E80534100E141BF91E57C6 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable On 22.09.21 23:49, Boris Ostrovsky wrote: >=20 > On 9/22/21 6:31 AM, Juergen Gross wrote: >> The initial pvops functions handling irq flags will only ever be calle= d >> before interrupts are being enabled. >> >> So make the __init and switch them to be dummy functions: >=20 >=20 > What are you making __init? Oh, sorry, that's a leftover from a previous version. >> +/* stub always return ing 0. */ >=20 >=20 > "always returning" Yes. 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