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=-11.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 97CC7C433EF for ; Sat, 11 Sep 2021 14:35:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6DB4161206 for ; Sat, 11 Sep 2021 14:35:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229550AbhIKOhE (ORCPT ); Sat, 11 Sep 2021 10:37:04 -0400 Received: from mail.kernel.org ([198.145.29.99]:41562 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229452AbhIKOhD (ORCPT ); Sat, 11 Sep 2021 10:37:03 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C6D3A6109F; Sat, 11 Sep 2021 14:35:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631370951; bh=LW2199kttJtBTwAhoKWy75wM87SVN6+UIBjbbND4LYA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uMcyHemGp+1THisLwBmc8sth9JoOxiEj44S11tY69ywFVKEmUkfe7yZcIUVhkAgpG rF7SMCIGr8F7KU+zyBAEw5DGe70MThctGMSeBNG1bYBnj7ATTZYmKwiOBY5v+bXz0D HaVo6f8Q/G2SQguHdFB9ezWbBjiTMJ8ShDVx7bX6JRauvCYBq+32RXRraq7m10BbQQ xHcV9prI5MtKamXcOmLEfBiJ3YaocRFbZLE4OROn4UruO+vlbFtm56dF3QNmbqqFbJ 4Dq/gnCSnNHLaUzhYV6H/VWfrSEFnD06ye93bUIDVsdoxjtxU5lCYj+k3r5YVbAcEQ 4uEgyAuabiDrw== Date: Sat, 11 Sep 2021 10:35:49 -0400 From: Sasha Levin To: =?iso-8859-1?Q?C=E9dric?= Le Goater Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Michael Ellerman , kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH AUTOSEL 5.14 38/99] KVM: PPC: Book3S HV: XICS: Fix mapping of passthrough interrupts Message-ID: References: <20210910001558.173296-1-sashal@kernel.org> <20210910001558.173296-38-sashal@kernel.org> <27739836-bad2-6b3f-7f40-e84663fbbf24@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <27739836-bad2-6b3f-7f40-e84663fbbf24@kaod.org> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Fri, Sep 10, 2021 at 07:48:18AM +0200, Cédric Le Goater wrote: >On 9/10/21 2:14 AM, Sasha Levin wrote: >> From: Cédric Le Goater >> >> [ Upstream commit 1753081f2d445f9157550692fcc4221cd3ff0958 ] >> >> PCI MSIs now live in an MSI domain but the underlying calls, which >> will EOI the interrupt in real mode, need an HW IRQ number mapped in >> the XICS IRQ domain. Grab it there. >> >> Signed-off-by: Cédric Le Goater >> Signed-off-by: Michael Ellerman >> Link: https://lore.kernel.org/r/20210701132750.1475580-31-clg@kaod.org >> Signed-off-by: Sasha Levin > > >Why are we backporting this patch in stable trees ? > >It should be fine but to compile, we need a partial backport of commit >51be9e51a800 ("KVM: PPC: Book3S HV: XIVE: Fix mapping of passthrough >interrupts") which exports irq_get_default_host(). Or, I can drop it if it makes no sense? -- Thanks, Sasha