From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=90.155.50.34 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793699802; b=HPxnHS3m8E51o9VYa7IFPLMd4xWZoAVRgzyRozLX8VHDFIcHgeCEcHiUz+ER+nFSM/sK gHv+3dIKzqPMtgn/ADJvLPG2VV+GNwguqsntiZ7boC9saXI/xpb4N8qZxk5qMTWhKmal6 QbF/2pZq1Aqol15VuMNo8QUeZJyoqC6ZZjpsEIlnUFgXCZn1700vJ7/t+7toDcHrnVUD9 YMwb0/kdthvY4KRn2cW7aRwmDXlRKHD0Bh/wy2tTFP92BzrGY0ki1isD0txZCRwduSkyi uYhTGdFaGfrO24f14Cw1JdZyVWJ4fxRNCpnWkArJo5Y0C3aljufk3Xz0ElFyJ5IflxA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793699802; h=DMARC-Filter:DKIM-Signature:Received:Received:Date:From:To:Cc: Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=VpodFQ5OE4hPbIcm2RyEEqcGUtsEd6IZkDvgn+8VUvA=; b=ynFkg5AbUhk19Dc50vc+1as53cq/Vkp2ylMhWw67LrmYoClxqOsl6bjniumbcpPBZFr8 aueTZ/l+RQ9G2mjPcpejI1DpxHJmVDPhyDxGAj10IROWOnv+xO1DIAr3e83vVJ96rUCpx iTax7c5FUel6DMStW2BVYmt9P/2kr5hgQEB65zpLevYkXb7NaKGFD148bYajJgyyqE1yH jGJs218j8RYUn4OeCNM+4ESUQTH2NvIwg52wlqFuPyMEzVgS75knsBkvmf1n4gXpFxMot nANa5QDDuJdPiLNyvuGaEjH6Q8nSnDQFa4bpVaZeXme2LrGlysu5NK/6QPK6FMUY3+g== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=infradead.org; spf=pass smtp.mailfrom=infradead.org; dkim=pass header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b="R/ZRdazY"; arc=none smtp.remote-ip=90.155.50.34 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 686C6606B374 for ; Tue, 3 Nov 2026 09:56:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 686C6606B374 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=R/ZRdazY DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=VpodFQ5OE4hPbIcm2RyEEqcGUtsEd6IZkDvgn+8VUvA=; b=R/ZRdazYpYrNN5un01sZcAo4fL K4gYcPi2Cwbrl7HqwzWoO4kYM/u9Wq3dddg8Lu/L/3krZ8hiqU+yco5EpF79rJdXVZFv9s5VcPspa wzdETyv8EEAPY+hfFrYyY06yX1u20465LXK+4bFRHL65YURKCI/alPnEZJoHycCUbdpfPMy0Bp4Vv AMDwNC24XV0Ed0yPzPf6DDXL5p+wPCQXsS3NcbMuabd1JGqMKSBmLGP59PFhUiQx04c3tT4PvKNtc Sfq49cC24ji6T+8gks3Pnci9OvGP/QWGcI8RAGxFR2X5U0CJfon5oDUcAtM9pThm+Q3/zu2bpVitk YxmTzf6A==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOBFr-0000000A54M-44Xd; Tue, 03 Nov 2026 09:56:35 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 872FB3002D9; Tue, 03 Nov 2026 10:56:34 +0100 (CET) Date: Tue, 3 Nov 2026 10:56:34 +0100 From: Peter Zijlstra To: Christian Loehle Cc: kiln <806144828@qq.com>, Ingo Molnar , Balbir Singh , Yang Yang , Vincent Guittot , K Prateek Nayak , linux-kernel@vger.kernel.org Subject: Re: [BUG] sched/delayacct: blkio_start recorded on the wrong task when a delayed task is blocked from pick Message-ID: <20261103095634.GZ2668564@noisy.programming.kicks-ass.net> References: <6faca00c-dfd5-46a3-9766-9f573ad71d75@arm.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=us-ascii Content-Disposition: inline In-Reply-To: <6faca00c-dfd5-46a3-9766-9f573ad71d75@arm.com> On Tue, Nov 03, 2026 at 08:21:47AM +0000, Christian Loehle wrote: > This should be fixed by > https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?h=sched/urgent&id=5d010dd27be92a68eaac3af4f5ef0555bcde6031 > (please give it a try!). It being in queue/sched/urgent should mean it > comes in with -rc2? > Peter any reason this isn't in tip yet? I only pushed out this branch yesterday (right after -rc1), I'm waiting for the robots to tell me all is well, then I'll push to tip.