Date: Fri, 30 Aug 2013 08:52:54 -0600 From: Ian Lepore <ian@FreeBSD.org> To: Andriy Gapon <avg@FreeBSD.org> Cc: Hans Petter Selasky <hps@bitfrost.no>, svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org Subject: Re: svn commit: r255067 - head/sys/kern Message-ID: <1377874374.1111.328.camel@revolution.hippie.lan> In-Reply-To: <5220A458.3060202@FreeBSD.org> References: <201308301039.r7UAduI1052038@svn.freebsd.org> <5220A027.8070604@FreeBSD.org> <5220A2DD.5040803@bitfrost.no> <5220A458.3060202@FreeBSD.org>
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On Fri, 2013-08-30 at 16:55 +0300, Andriy Gapon wrote: > on 30/08/2013 16:49 Hans Petter Selasky said the following: > > On 08/30/13 15:37, Andriy Gapon wrote: > >> on 30/08/2013 13:39 Hans Petter Selasky said the following: > >>> Author: hselasky > >>> Date: Fri Aug 30 10:39:56 2013 > >>> New Revision: 255067 > >>> URL: http://svnweb.freebsd.org/changeset/base/255067 > >>> > >>> Log: > >>> Simplify pause_sbt() logic. Don't call DELAY() if remainder is less > >>> than or equal to zero. > >> > >> Discussed with? > >> Reviewed by? > >> Tested by? > >> > > > > Hi, > > > > I've checked MAINTAINERS first. > > > > A patch was sent to the freebsd-current mailing list, See XHCI USB debugging > > thread. > > I noticed that you committed the patch just a few minutes after making it > public. And later noticed that the patch did not result in any improvement. > > > Could probably have been discussed a bit more. > > Indeed. > > > The cold case logic for pause() > > is mainly used by the USB code and was factored out from usb_pause_mtx() a long > > while ago by me. > > Oh, I see. > > > Do you see anything technically wrong about my patch? > > I don't feel qualified enough. > What I want to know is why a DELAY() loop needs to function well with delay values longer than 1 second. Are we really doing that? -- Ian
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