From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 77D80606A322 for ; Sun, 25 Oct 2026 18:47:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=dCiIc4XP; dkim=fail reason="signature verification failed" (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=J6C08BAV DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=vi7ICLQBDwsDnASOirNwLIUXPx/px21UFVKxFLfZL1w=; b=dCiIc4XPBVyxlx5daa9HnjgeDg ldFUU81297x0W1fTGRH7wc1HcBVRqMdo/zoGn2QED+Q4F8lmLm2nXbLPJPKluVhC/vTawN6NwegkO 9oqgSYZrBNL1Jqipt23nPkbAnwDFWVxCOVjYjgdgj8QKUPnxBX4N/eahQTAyDabx5ysYCiSsO3Wf4 4K7CqaGgw8c6wq91/6NDcSMhIVInEelDjJ5k/aG2rBvBmfQE5GqO/8ePRSNjazaM5cF48EFQNimY6 mKpkD0Kfr9L7ZWnYPnrcAjlHIXjrj9Cz0s7p9gNhBuezGMSpuV4ZYbCfh6uGvyNDmnTMKkJKsK7Ko 0sOSBgXQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xL3Fu-00000001Ioe-39t4; Sun, 25 Oct 2026 18:47:42 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xL3Fr-00000001Inj-3kcY; Sun, 25 Oct 2026 18:47:40 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 35C62600CB; Sun, 25 Oct 2026 18:47:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3D2E91F01828; Sun, 25 Oct 2026 18:47:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792954057; bh=5wnAqR12mDvQqCEE/MRBIlSMPEALxmmJZfIrTK2aMRo=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=J6C08BAV+F3iiWM9FlcPNqjRNGrOHJtPKNVu3OUcI7HqHZFW2bJf7N0c8G+JK3kuC Q9nwKr5QZZOaBx04tv6bryafAtS3l8ddZSESLreLqFOuH9yUyY5YFa2WLyjKrfokOY I5aQbn4Z7ktlYAGGiVhADA+Z2owm484BBGS0MXEu9+8SJ1Xd+9nopeImLHezCjmbsI l+b9jyQmwALbi3HX0Fd2Od6jLx4uuOwo/I0r78SNRDtzRGmz0Z0w8l5bueq5IOCdWr lyimjYWJ1aQUhpScd4g5pAdhgA9k8TZ3KLStW1ngSWF9YCMs/TnFJYzxEr+8kDEq+3 1F+kG3xlNHiHw== Date: Sun, 25 Oct 2026 19:47:34 +0100 From: Frederic Weisbecker To: Peter Zijlstra Cc: Srikar Dronamraju , Ingo Molnar , Russell King , Catalin Marinas , Will Deacon , Guo Ren , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Florian Fainelli , Broadcom internal kernel review list , Jiaxun Yang , "James E.J. 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-Archived-By: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20261023165434.GX2823843@noisy.programming.kicks-ass.net> X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-riscv" X-Spam-Status: No, score=-9.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,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 =E9crit : > 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 =E9crit : > > > 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 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv