From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 93B6360A2604 for ; Fri, 23 Oct 2026 13:40:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=MsxhMa+8 Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4jB4061wSpz2yDr; Sat, 24 Oct 2026 00:40:22 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.105.4.254 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1792762822; cv=none; b=MWHxr0rshR6Vb2aWDvgIIbkZAljCrbaQp7PM180SxIPOh+nGYJeFvVmgu48GHzrJyNKkSc6HLQHINkR6webLrh11Ef6qRzKNBYyuJJnEw0AgHbLxRVko3nI/RAI1KG9Bl7WzbkhOjSMa8T9CwBJtFn4E1FBbxUaFXafFnF9bpAS2dW9RGMWnhi0rXmHzSDLgfl2wTKVoeESJKwCxy7nvA5Ih6svXtzaeypA6TYbD50oF2jx7gVZ9jVAHUGlVa2fhoaZMNRDXPN7xSO4yzi+TuX8Jwk860byCvBe/RsmQWn0gKOoxzZcZ9DNFfv5+6GT3ewgYfsXqfK2cZhl4GaX4lA== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1792762822; c=relaxed/relaxed; bh=JSne534GRKySd/hPuhXIpMo4L1wNZz0o43yKbATYUSM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HBRl59P/0xS5u6F80zo2FOcapxtOM4SKK51hfQlE5Daby+fgr8Eq1KxwvKiBCbD0Oid91EltpNVAjy4/YhIuC724jDFPWfLZzVQuyyfmEeBSJzJPtiKlhS0ld1YAOHs0/2OcEgSQlMQqyDRjwdonJpvuJzupP9ygBSYXgfaUH7LTHaPr/t95luVKRMQBVeqOuLCIKPCpG1miim5F28Ooux9ShkoKre/mLmIHfZBmi9HL0h6GOLbNnu+TK3X2+SAGEC3vO1o/VTKkIzpSR9UhA6zTtHjVv4Dsug85oSXAG0O98koIChQbW3mJB+ahvCmu4zgma8EzCRTIskGuJzMimA== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=MsxhMa+8; dkim-atps=neutral; spf=pass (client-ip=172.105.4.254; helo=tor.source.kernel.org; envelope-from=frederic@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=MsxhMa+8; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=172.105.4.254; helo=tor.source.kernel.org; envelope-from=frederic@kernel.org; receiver=lists.ozlabs.org) Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4jB4051NDKz2yDc for ; Sat, 24 Oct 2026 00:40:21 +1100 (AEDT) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id B1E4760213; Fri, 23 Oct 2026 13:40:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BA9E21F01825; Fri, 23 Oct 2026 13:40:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792762817; bh=JSne534GRKySd/hPuhXIpMo4L1wNZz0o43yKbATYUSM=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=MsxhMa+8RyiwJgrd29IwYvMrh1cHDsIzj8ShYsSP8l3MGgb0rGCLCUvRTv9kIxkte t0VZKOUDGbmY6X4T3Gw7XtuUlrbLQGSBSRtT6ZMxixd1345kiDmZsRdQw7kjtVNwhX yVbf1NZHIaJc+XOjIrrRoMJoY5ZgjxbvwdTadswH0wxvmeq8QB3Wt1/eZLhikw2cTA a4/kqD8BG6/dlzLTUoTX8d7Y9YqGUyp6Uqr631ey4In10G1wo1cW7k33IEWmejIFHk TOrqQvWrfH3PSsVDJzFucUAbvMtcO8eK/CiO0FoaiTl0NATRKo3vw3g+XN+zdK7puQ Ev7oA1CQstKaQ== Date: Fri, 23 Oct 2026 15:40:15 +0200 From: Frederic Weisbecker To: Srikar Dronamraju Cc: Ingo Molnar , Peter Zijlstra , 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> 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: <20261016095711.1364609-1-srikar@linux.ibm.com> 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 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 -- Frederic Weisbecker SUSE Labs