From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 85C6B3E7633 for ; Wed, 29 Jul 2026 14:51:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785336688; cv=none; b=sLOeK5n97b4oWCdjyCGfHS7paYjqKmsSiq5nAOGkp1I7vo6rrz1QkmxMV1qrOtvBtWP5TlLlDDyzUromTAN5RREjQkTg/Y5Gj2xMKTPmlIDsZcPz3aeY+X6bSmdaTN/ZwT4YqcH9yF5jZyG0rjwifz1k+S5BCfV29kr5tCCljck= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785336688; c=relaxed/simple; bh=u5K3bpY3q14qIAPAw2FFyZ3bfINTmjApmwIknfKfSek=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=acVRWk46JXlZSsv/IzqyACdDxE6hJ2c84FUdcQcajnyPZM/91xtXSpC1f/gayvQUrKIwflaAyJaxCUoLYcSh4GS2DgDrRbQcVkPA0FWeaGEV0eJnRsukqmEz7e3JC6CqdrRoWRGN631gJG+mgj+CVPw7ssqCKKTCQ5yOJDMonN0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=pass smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=Wxt1xUsZ; arc=none smtp.client-ip=90.155.92.199 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) header.d=infradead.org header.i=@infradead.org header.b="Wxt1xUsZ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; 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=u5K3bpY3q14qIAPAw2FFyZ3bfINTmjApmwIknfKfSek=; b=Wxt1xUsZChictlRMZWcFyBVYA0 JqtBhSDqW4GUN9j+2SM5cJsBi7ClVeHtE+MTrMTieBLTElEpme8DMEVW+j2GHBLq/RQo2NJiIzX8Z EpGqRxdyiTs/Rtb8WraRh5I39LERdT+XqfkW3ZK5CfuJ4ODCB5gUeXBt86TMXnnxUN6iDczsvOOc1 2uZG8qtoCR+jAtJnHkTeAaoRJu2nlGHSYqx6mvmU1hqGDFEoHNrSy59Q/36lJOaoG8rRj7IgLN0+j ixVk78Cw0OmuKRJIvv7Ex+MBRc52qwFGWvlohGzPe0yBqT5RcosS6lnIRPZ0ifdAJ5USKlzDxzTPT i/0HcAKA==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.99.2 #2 (Red Hat Linux)) id 1wp5cg-00000005vCF-2Vsk; Wed, 29 Jul 2026 14:51:06 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 10B77300882; Wed, 29 Jul 2026 16:51:05 +0200 (CEST) Date: Wed, 29 Jul 2026 16:51:04 +0200 From: Peter Zijlstra To: Andrea Righi Cc: K Prateek Nayak , Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Christian Loehle , Shrikanth Hegde , Phil Auld , linux-kernel@vger.kernel.org Subject: Re: [PATCH] sched/fair: Prefer fully idle cores for NOHZ balancing Message-ID: <20260729145104.GN651302@noisy.programming.kicks-ass.net> References: <20260728214442.1648483-1-arighi@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@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: On Wed, Jul 29, 2026 at 04:25:33PM +0200, Andrea Righi wrote: > Peter, do you have a preference on whether the mask renaming/accessor work > should be addressed separately, or included as a preparatory patch for this? Separate would be fine. Perhaps another way to do it is using the fancy new clang context analysis.