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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 5AB2AC2BAEE for ; Wed, 11 Mar 2020 22:09:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 649F4206E7 for ; Wed, 11 Mar 2020 22:09:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729888AbgCKWJy (ORCPT ); Wed, 11 Mar 2020 18:09:54 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:40816 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729535AbgCKWJx (ORCPT ); Wed, 11 Mar 2020 18:09:53 -0400 Received: from p5de0bf0b.dip0.t-ipconnect.de ([93.224.191.11] helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1jC9Xu-0001sJ-Cb; Wed, 11 Mar 2020 23:09:46 +0100 Received: by nanos.tec.linutronix.de (Postfix, from userid 1000) id C2842100F5A; Wed, 11 Mar 2020 23:09:45 +0100 (CET) From: Thomas Gleixner To: Hans de Goede , Mika Westerberg , Andy Shevchenko , Linus Walleij , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" Cc: linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC v2] x86: Select HARDIRQS_SW_RESEND on x86 In-Reply-To: <218eb262-011f-0739-8e74-9ca3ef793bb8@redhat.com> References: <87sgk4naqh.fsf@nanos.tec.linutronix.de> <0e5b484d-89f5-c018-328a-fb4a04c6cd91@redhat.com> <87fteek27x.fsf@nanos.tec.linutronix.de> <218eb262-011f-0739-8e74-9ca3ef793bb8@redhat.com> Date: Wed, 11 Mar 2020 23:09:45 +0100 Message-ID: <87a74mk0gm.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hans de Goede writes: > On 3/11/20 10:31 PM, Thomas Gleixner wrote: >> Hans de Goede writes: >>>> I just need to stare at the legacy PIC and the virt stuff. >>>> >>>>> Also maybe we should add a Cc: stable@vger.kernel.org ??? This seems like >>>>> somewhat a big change for that but it does solve some real issues... >>>> >>>> Yes. Let me stare at the couple of weird irqchips which might get >>>> surprised. I'll teach them not to do that :) >>> >>> I know that you are very busy, still I'm wondering is there any progress >>> on this ? >> >> Bah. That fell through the cracks, but actually I looked at this due to >> the PCI-E AER wreckage. So yes, this is fine, but we want: >> >> https://lkml.kernel.org/r/20200306130623.590923677@linutronix.de >> https://lkml.kernel.org/r/20200306130623.684591280@linutronix.de >> >> if we want to backport this to stable. > > So far I have seen a few, but not a lot of devices which need this, so > I'm not 100% sure what to do here. > > Do you consider this change safe / suitable for stable if those 2 patches > are backported and applied first? I think so. The two patches are on my list for backports anyway, but I wanted to give them some time to simmer. Thanks, tglx