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Bottomley" , Helge Deller , Scott Wood , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , "David S. Miller" , Andreas Larsson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Chris Zankel , Max Filippov , LKML , Srikar Dronamraju , Dietmar Eggemann , Kees Cook , Jinjie Ruan , mrigendrachaubey , Marc Zyngier , Pengjie Zhang , Thierry Reding , Xi Ruoyao , "Rafael J. Wysocki (Intel)" , Tiezhu Yang , Rong Bao , Hui Wang , Thorsten Blum , Josh Poimboeuf , linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org Subject: Re: [PATCH] sched/hotplug: Remove unused idle_task_exit Message-ID: References: <20261016095711.1364609-1-srikar@linux.ibm.com> <20261023165434.GX2823843@noisy.programming.kicks-ass.net> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , Precedence: list X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20261023165434.GX2823843@noisy.programming.kicks-ass.net> X-Spam-Status: No, score=-11.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Le Fri, Oct 23, 2026 at 06:54:34PM +0200, Peter Zijlstra a écrit : > On Fri, Oct 23, 2026 at 03:40:15PM +0200, Frederic Weisbecker wrote: > > Le Fri, Oct 16, 2026 at 03:26:40PM +0530, Srikar Dronamraju a écrit : > > > Commit 21641bd9a7a7 ("lazy tlb: fix hotplug exit race with > > > MMU_LAZY_TLB_SHOOTDOWN") moved the handling previously performed by > > > idle_task_exit() into the scheduler CPU hotplug path using > > > sched_force_init_mm(). > > > > > > As a result, idle_task_exit() is now an empty stub and the remaining > > > architecture call sites have no effect. > > > > > > Remove the calls to idle_task_exit() and the now unused stub. > > > > > > Signed-off-by: Srikar Dronamraju > > > > Reviewed-by: Frederic Weisbecker > > Excellent; less is more and all that. Shall I take this through the > scheduler tree? Yes please :-) -- Frederic Weisbecker SUSE Labs