From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE6BBC433FF for ; Thu, 1 Aug 2019 21:02:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B176B20838 for ; Thu, 1 Aug 2019 21:02:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="iByqbewt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389026AbfHAVCM (ORCPT ); Thu, 1 Aug 2019 17:02:12 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:37624 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725846AbfHAVCL (ORCPT ); Thu, 1 Aug 2019 17:02:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=KMsX1I067RvRNUYw9CJeoatbWY3fZE8/7XDE1PlmR2w=; b=iByqbewtRsPhUGqwkOEFRueyc c/ljbQS9LNGQMnqHzuUVNSToD7VLmVQ+d8aI/jd6Z/TkMqgRdgqB6VGDOC/3+7KWBsukkQpWPH+IW XqojjWdP9qCHbFJykGd7cJHLi/x9GyTITewzQZtW9c00zQHezQBs55D7moSmpG2dZKC4a1foT/AMw iqf0oAyGnzMpUXIwha/L0o/6tjKVzZzc/ENN8h/JxhriPPtsO7cyBCaX74pBuZ6Sk2xkupXr28el9 gb4fukq8iIzY3ip5ObMzpX0IHAAc8UjJLlzZmY2ACy0F0MdeqaA7FA5WlNrXPeSUgbqx/aIIeF5fX biVlyw5fA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1htID8-0007uY-2f; Thu, 01 Aug 2019 21:02:06 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id DE5BF2029F4C9; Thu, 1 Aug 2019 23:02:03 +0200 (CEST) Date: Thu, 1 Aug 2019 23:02:03 +0200 From: Peter Zijlstra To: Johannes Weiner Cc: mingo@kernel.org, linux-kernel@vger.kernel.org, Suren Baghdasaryan , Thomas Gleixner Subject: Re: [PATCH 1/5] sched/pci: Reduce psimon FIFO priority Message-ID: <20190801210203.GA3578@hirez.programming.kicks-ass.net> References: <20190801111348.530242235@infradead.org> <20190801111541.685367413@infradead.org> <20190801174907.GA16554@cmpxchg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190801174907.GA16554@cmpxchg.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 01, 2019 at 01:49:07PM -0400, Johannes Weiner wrote: > On Thu, Aug 01, 2019 at 01:13:49PM +0200, Peter Zijlstra wrote: > > PSI defaults to a FIFO-99 thread, reduce this to FIFO-1. > > > > FIFO-99 is the very highest priority available to SCHED_FIFO and > > it not a suitable default; it would indicate the psi work is the > > most important work on the machine. > > > > Since Real-Time tasks will have pre-allocated memory and locked it in > > place, Real-Time tasks do not care about PSI. All it needs is to be > > above OTHER. > > > > Cc: Suren Baghdasaryan > > Cc: Johannes Weiner > > Cc: Thomas Gleixner > > Signed-off-by: Peter Zijlstra (Intel) > > Acked-by: Johannes Weiner Thanks! > Subject should be s/pci/psi/ Yeah, already fixed that.. obviously one sees such typoes only after sending ;-)