From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 93C9F242D98 for ; Mon, 14 Jul 2025 11:52:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752493954; cv=none; b=VKvNCv4hCVguCpHmveQpUaJjGH6wRjbEIdtlfZ2KL2qHWqnbPuO3qqVsIlnkBMFCsJhV+/yYBBeT0UxwtYjIMXg1sW8qwFL9wKsAVW/6M2mXBpib8AxEuDFVvioBPlrhmiHB111I5Av4UxizNqDGRtDF2pa0LouE4MQkIyiPY4s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752493954; c=relaxed/simple; bh=21d26S9Iwhr07CBmKJbijczEw6nbI1sCsCOP19XTWxs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=QXFiQcytwe8HcRfg8pyjdf11LlrIQFVxMOvf1sntaGeBuXQHXfx4wmNDR0w5bY8v2/rPOOmy0UD8C7yI0UTOvFoPzysk42pv5A8iiLtXaLyxJL/qCgKyk1tfw5/UAuurvH2SqWegFVJml3Q75pmsBdQoW+aUNpc60SyL0Ngvl1I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=SjhnD4Vh; arc=none smtp.client-ip=90.155.50.34 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=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="SjhnD4Vh" 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=2M90PkFPEtFYQCEAAA5foFwIa/Tx/j01JcvOGJzKf3s=; b=SjhnD4Vh5Y7Zb5fZyXy3smhlmw uvl62Sx74+kgbw9LuEcPkK/arQVvGcMPUvqc8F9zEA56f0eS0lTyUFwijd6hP1rXywIYhoSSR7nl5 uAHO6cZAiqu6sVPXyhuFN2JWQraRJrj+Ubk0bRSkGSolrewcWBpDG1kn+w2FXqwfVlj3o64sFvXJ0 bu2Lu+BNXq40+xZgMnMlb3+SDPVf8ScpNc4Qf0Mo16S1nnkobQycDcUhJDaafecM7wGw1X8CIkd97 9sT6svOU12Asc4a0MheYddIaC5B+tGbmrqHhLrOGL8XbuEdHvOeXnKhrEjtU1WRunif+Z7o4l5ofJ RTK//X9Q==; 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 4.98.2 #2 (Red Hat Linux)) id 1ubHjG-00000007594-2oh9; Mon, 14 Jul 2025 11:52:18 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 858E2300186; Mon, 14 Jul 2025 13:52:17 +0200 (CEST) Date: Mon, 14 Jul 2025 13:52:17 +0200 From: Peter Zijlstra To: John Stultz Cc: LKML , Joel Fernandes , Qais Yousef , Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Valentin Schneider , Steven Rostedt , Ben Segall , Zimuzo Ezeozue , Mel Gorman , Will Deacon , Waiman Long , Boqun Feng , "Paul E. McKenney" , Metin Kaya , Xuewen Yan , K Prateek Nayak , Thomas Gleixner , Daniel Lezcano , Suleiman Souhlal , kuyo chang , hupu , kernel-team@android.com Subject: Re: [PATCH v19 0/8] Single RunQueue Proxy Execution (v19) Message-ID: <20250714115217.GT905792@noisy.programming.kicks-ass.net> References: <20250712033407.2383110-1-jstultz@google.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: <20250712033407.2383110-1-jstultz@google.com> On Sat, Jul 12, 2025 at 03:33:41AM +0000, John Stultz wrote: > Hey All, > > This is just a quick update to the v18 series, to address some > smaller nits Peter had as well as a few build issues uncovered > with !SMP and PREEMPT_RT that K Prateek Nayak highlighted. > > So here is v19 of the Proxy Execution series, a generalized form > of priority inheritance. I've queued this up in queue.git/sched/core; I had to stomp on it a little because recent other patches made conflicts. I think I did it right, but please double check! :-)