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[2001:1c00:c0c:fe00:fc7e:fd47:85c1:1ab3]) by smtp.gmail.com with ESMTPSA id r23sm16627136wrr.93.2020.03.11.14.49.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Mar 2020 14:49:14 -0700 (PDT) Subject: Re: [RFC v2] x86: Select HARDIRQS_SW_RESEND on x86 To: Thomas Gleixner , 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 References: <87sgk4naqh.fsf@nanos.tec.linutronix.de> <0e5b484d-89f5-c018-328a-fb4a04c6cd91@redhat.com> <87fteek27x.fsf@nanos.tec.linutronix.de> From: Hans de Goede Message-ID: <218eb262-011f-0739-8e74-9ca3ef793bb8@redhat.com> Date: Wed, 11 Mar 2020 22:49:12 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <87fteek27x.fsf@nanos.tec.linutronix.de> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Hi, 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? Regards, Hans