From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792762818; b=IxfyoiofYocD74fQOtCLqP82TNbU63LhcIHJl8V0ozcPnAlME4ARZmJdSsvRLt8eO1lH cmxbhDG1xUUZZkS2yAeYKePkx46WeZpLI+uXwGMrqzjq9/oHsiCovyTToaJdeFpkvsqe1 SNnHcc4TLe773EY9C9WqN9RWTxqHIUIymY1awXryJbnf1suyVlrYFcvwRX+9NZFpjKQb6 o8FuyANXSxE7DOMJFLZpIQQgSciuuDNEFgWOhPVViIogda4CGJaZGkLgcOnFDGu9TZzpN 6wIH+PvlcgoSbAgLiUmPA4RVGN6MgqPQSHOpKO+YkWPGvfLJL2Nq9Yx5CWJ21/7hOwg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792762818; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition: Content-Transfer-Encoding:In-Reply-To; bh=JSne534GRKySd/hPuhXIpMo4L1wNZz0o43yKbATYUSM=; b=UuZ8ZZRHDNwlMgjC7zzj4fg6VdMwrmDGGA6zv8JI2UHo/Cko79qd1GVu9evyXMgoed// LGtNZT61xJJ0rtEMu9OC9J7bW4zJIaj0imtQn0fqKAmZd10+wMjwLnUVnOPJQqZniaRkR bdYqLMEoCo7ofeWsGP7QFcHWq2oezYK8oV20az+Fks1APndJVaBflDVs5OFsDO6S9n+yS 29UBurtm5K8a3qWSQwWvSxvbmV19pcJue2EfvK3HCOzS9zIIsSBVLrDL9FKy8dPUvOeIC 0W4zaqHhoKjx8xAUlKwiyENKyLEW8HsTxd5ON2AZSH/E/Mwk9FsoJeFkI1l6tmkm1Qg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=MsxhMa+8; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (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 C4386606A31F; Fri, 23 Oct 2026 13:40:17 +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: 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: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list 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> 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