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Wysocki" Subject: Re: [PATCH 04/36] cpuidle,intel_idle: Fix CPUIDLE_FLAG_IRQ_ENABLE Message-ID: References: <20220608142723.103523089@infradead.org> <20220608144516.172460444@infradead.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Cc: Juri Lelli , Linux-sh list , Benjamin Herrenschmidt , Linus Walleij , Benjamin Segall , Guo Ren , Pavel Machek , Alexander Gordeev , linux-arch , Vincent Guittot , Michael Ellerman , Huacai Chen , ACPI Devel Maling List , Andy Gross , Geert Uytterhoeven , dl-linux-imx , Catalin Marinas , xen-devel@lists.xenproject.org, mattst88@gmail.com, lpieralisi@kernel.org, sammy@sammy.net, Petr Mladek , Linux PM , Lai Jiangshan , Sascha Hauer , linux-um@lists.infradead.org, acme@kernel.org, Thomas Gleixner , Linux OMAP Mailing List , Dietmar Eggemann , rth@twiddle.net, Greg Kroah-Hartman , Linux Kernel Mailing List , linux-perf-users@vger.kernel.org, senozhatsky@chromium.org, Sven Schnelle , jolsa@kernel.org, Paul Mackerras , Mark Rutland , linux-ia64@vger.kernel.org, Dave Hansen , virtualization@lists.linux-foundation.org, James Bottomley , jcmvbkbc@gmail.com, Thierry Reding , kernel@xen0n.name, quic_neeraju@quicinc.com, linux-s390@vger.kernel.org, vschneid@redhat.com, John Ogness , Yoshinori Sato , Fabio Estevam , Helge Deller , Daniel Lezcano , Jon Hunter , Mathieu Desnoyers , Frederic Weisbecker , Len Brown , linux-xtensa@linux-xtensa.org, Sascha Hauer , Vasily Gorbik , linux-arm-msm , linux-alpha@vger.kernel.org, linux-m68k , Stafford Horne , Linux ARM , chris@zankel.net, Stephen Boyd , dinguyen@kernel.org, Daniel Bristot de Oliveira , Alexander Shishkin , Michael Turquette , Rasmus Villemoes , Joel Fernandes , Will Deacon , Boris Ostrovsky , Kevin Hilman , linux-csky@vger.kernel.org, pv-drivers@vmware.com, linux-snps-arc@lists.infradead.org, Mel Gorman , Jacob Pan , Arnd Bergmann , ulli.kroll@googlemail.com, vgupta@kernel.org, linux-clk , Josh Triplett , Steven Rostedt , rcu@vger.kernel.org, Borislav Petkov , bcain@quicinc.com, Thomas Bogendoerfer , Parisc List , Sudeep Holla , Shawn Guo , David Miller , Rich Felker , Tony Lindgren , amakhalov@vmware.com, Bjorn Andersson , "H. Peter Anvin" , sparclinux@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-riscv , anton.ivanov@cambridgegreys.com, jonas@southpole.se, Yury Norov , Richard Weinberger , the arch/x86 maintainers , Russell King - ARM Linux , Ingo Molnar , Albert Ou , "Paul E. McKenney" , Heiko Carstens , stefan.kristiansson@saunalahti.fi, openrisc@lists.librecores.org, Paul Walmsley , linux-tegra , namhyung@kernel.org, Andy Shevchenko , jpoimboe@kernel.org, Juergen Gross , Michal Simek , "open list:BROADCOM NVRAM DRIVER" , Palmer Dabbelt , Anup Patel , ink@jurassic.park.msu.ru, Johannes Berg , linuxppc-dev X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Wed, Jun 08, 2022 at 05:01:05PM +0200, Rafael J. Wysocki wrote: > On Wed, Jun 8, 2022 at 4:47 PM Peter Zijlstra wrote: > > > > Commit c227233ad64c ("intel_idle: enable interrupts before C1 on > > Xeons") wrecked intel_idle in two ways: > > > > - must not have tracing in idle functions > > - must return with IRQs disabled > > > > Additionally, it added a branch for no good reason. > > > > Fixes: c227233ad64c ("intel_idle: enable interrupts before C1 on Xeons") > > Signed-off-by: Peter Zijlstra (Intel) > > Acked-by: Rafael J. Wysocki > > And do I think correctly that this can be applied without the rest of > the series? Yeah, I don't think this relies on any of the preceding patches. If you want to route this through the pm/fixes tree that's fine. Thanks! _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization