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 63EAAC19F2D for ; Sat, 13 Aug 2022 13:44:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239629AbiHMNoj (ORCPT ); Sat, 13 Aug 2022 09:44:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48422 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239585AbiHMNod (ORCPT ); Sat, 13 Aug 2022 09:44:33 -0400 Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4AF9FDF46; Sat, 13 Aug 2022 06:44:26 -0700 (PDT) Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id C695A1C0012; Sat, 13 Aug 2022 15:44:24 +0200 (CEST) Date: Sat, 13 Aug 2022 15:44:22 +0200 From: Pavel Machek To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Samuel Holland , kernel test robot , Marc Zyngier , tglx@linutronix.de Subject: Re: [PATCH AUTOSEL 4.19 04/16] genirq: GENERIC_IRQ_IPI depends on SMP Message-ID: <20220813130448.GA23630@duo.ucw.cz> References: <20220808013914.316709-1-sashal@kernel.org> <20220808013914.316709-4-sashal@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="WK3l2KTTmXPVedZ6" Content-Disposition: inline In-Reply-To: <20220808013914.316709-4-sashal@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --WK3l2KTTmXPVedZ6 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > From: Samuel Holland >=20 > [ Upstream commit 0f5209fee90b4544c58b4278d944425292789967 ] >=20 > The generic IPI code depends on the IRQ affinity mask being allocated > and initialized. This will not be the case if SMP is disabled. Fix up > the remaining driver that selected GENERIC_IRQ_IPI in a non-SMP config. Are you sure this is right thing to do on 4.19 kernel? In particular, should we have "Only register IPI domain when SMP is enabled" in the tree before this can be applied? Best regards, Pavel --=20 DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany --WK3l2KTTmXPVedZ6 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCYveqtgAKCRAw5/Bqldv6 8oPlAKCRrGBePOK2mk45HDbd4yXoRm7f1QCgjKof9WKJKHAMqxfP4CC42glSUSk= =vhVH -----END PGP SIGNATURE----- --WK3l2KTTmXPVedZ6--