From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 260BB17BA3; Mon, 23 Jun 2025 05:46:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750657619; cv=none; b=uavEW9BEYQ5uOzTwn9Mfsk5fO+2+roA/XDHsEDKoTMlG1Otp0HOn5YIUn1xdwoGr/uj0/6GRsQC5R7dIcVV5TODAzgqrA1tkHjvMZ/DkGbUnTxjalDPkBSEwVRPVCp/J0WZQNRRI/soMwTlnuxxihHxvHyngSwp97tRCO0T6X8U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750657619; c=relaxed/simple; bh=YF2ysI6Gsu1Fr2aEPVzN+jQxArLEdi6wuWcqecPDEZc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qBTIm25DRK+ulHa6/ytJ/Vj8imibijCwKimDfPQ7DRsfuIG5fsjKaKMns6zcYXHGdhinWiYrSf44ZOteo2o6exvvR8lIElQhysXfpLnVkHf35y1af53W2P8jjaR53ybcH7u68HKU5NxlysIf1W1adpGQmc0AEyEw9WRUSlps+gQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=0dBm/wmS; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="0dBm/wmS" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=51AXkIek1ybzAoyOQAa6v/j60O6/LY3qNFu2ASRbKp0=; b=0dBm/wmS6T3+fLQZUdiUeq0TmX h8X9gXB5RSbs3CG1SEF1hnJI58lbWf4/P0d0cHsPlz/BhcaWBREwz1I7GLr7zvHT8bNhaBnreBEBk y0AnJYd1ZtSqifCA2i4S5mesBI2cc81bdDKnbLr6KYc7QCZRiX927a0skBMVBHhiiZer4cfG3fjE0 4die7Qa5CNsqq4CoMCa4wYAN+zLGtgNKRGHIYvubmcbKbwUKPLb/GFf33iF24LCwJhQrkmDrOSsne 8pK2nxp1vd+WK8ITuWTBbMBj6nYOB4vNaE5lGDTO19aDlw4d5gXfJscn2kpqYZXVXO84C20uAToM2 fNFM30Ew==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1uTa1B-00000001f9A-0j6W; Mon, 23 Jun 2025 05:46:57 +0000 Date: Sun, 22 Jun 2025 22:46:57 -0700 From: Christoph Hellwig To: Frederic Weisbecker Cc: LKML , Jens Axboe , Marco Crivellari , Michal Hocko , Peter Zijlstra , Tejun Heo , Thomas Gleixner , Vlastimil Babka , Waiman Long , linux-block@vger.kernel.org Subject: Re: [PATCH 11/27] block: Protect against concurrent isolated cpuset change Message-ID: References: <20250620152308.27492-1-frederic@kernel.org> <20250620152308.27492-12-frederic@kernel.org> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250620152308.27492-12-frederic@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Fri, Jun 20, 2025 at 05:22:52PM +0200, Frederic Weisbecker wrote: > + * running block kworker on isolated CPUs. > + * FIXME: cpuset should propagate further changes to isolated CPUs > + * here. I have no idea what this comments means. Can you explain it, or help fixing it? Or at least send the entire series to all affected subsystems as there's no way to review it without the context. If nothing changes please at leat avoid the overly long line.