From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3vcGqF3fXVzDqKn for ; Mon, 6 Mar 2017 21:53:29 +1100 (AEDT) Received: from ozlabs.org (ozlabs.org [103.22.144.67]) by bilbo.ozlabs.org (Postfix) with ESMTP id 3vcGqF37XQz8tDD for ; Mon, 6 Mar 2017 21:53:29 +1100 (AEDT) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vcGqD6PlMz9sNC for ; Mon, 6 Mar 2017 21:53:28 +1100 (AEDT) Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v26AnFuL093368 for ; Mon, 6 Mar 2017 05:53:23 -0500 Received: from e23smtp07.au.ibm.com (e23smtp07.au.ibm.com [202.81.31.140]) by mx0b-001b2d01.pphosted.com with ESMTP id 28ytn385eb-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 06 Mar 2017 05:53:22 -0500 Received: from localhost by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 6 Mar 2017 20:53:19 +1000 Received: from d23relay09.au.ibm.com (d23relay09.au.ibm.com [9.185.63.181]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 948B42BB0059 for ; Mon, 6 Mar 2017 21:53:18 +1100 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay09.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v26ArAuT37355638 for ; Mon, 6 Mar 2017 21:53:18 +1100 Received: from d23av04.au.ibm.com (localhost [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v26AqjxR023669 for ; Mon, 6 Mar 2017 21:52:46 +1100 Subject: Re: [PATCH v3] powerpc/xics: Work around limitations of OPAL XICS priority handling From: Benjamin Herrenschmidt Reply-To: benh@au1.ibm.com To: Michael Ellerman , bsingharora@gmail.com Cc: linuxppc-dev@ozlabs.org Date: Mon, 06 Mar 2017 21:52:21 +1100 In-Reply-To: <87innmpx0z.fsf@concordia.ellerman.id.au> References: <1488629006-17180-1-git-send-email-mpe@ellerman.id.au> <1488755402.2870.118.camel@au1.ibm.com> <87innmpx0z.fsf@concordia.ellerman.id.au> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Message-Id: <1488797541.2870.127.camel@au1.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2017-03-06 at 20:36 +1100, Michael Ellerman wrote: > > According to the HW guys, that should be 5ms in case the powerbus > > is > > really really busy. > > Is that a metric or imperial "really really" ?  :D No idea ;-) Could be the amount of time after which their own timeouts kick in. > I'll fold in a change to 5ms, and rebase because it's going to > stable. Cheers, Ben.