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Date:      Tue, 18 Dec 2012 15:42:30 -0500
From:      John Baldwin <jhb@freebsd.org>
To:        Alexander Motin <mav@freebsd.org>
Cc:        svn-src-projects@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r244249 - projects/calloutng/sys/dev/syscons
Message-ID:  <201212181542.30789.jhb@freebsd.org>
In-Reply-To: <50CF8D3D.6030906@FreeBSD.org>
References:  <201212151044.qBFAiG70038633@svn.freebsd.org> <201212171509.55216.jhb@freebsd.org> <50CF8D3D.6030906@FreeBSD.org>

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On Monday, December 17, 2012 4:23:09 pm Alexander Motin wrote:
> On 17.12.2012 22:09, John Baldwin wrote:
> > On Saturday, December 15, 2012 5:44:16 am Alexander Motin wrote:
> >> Author: mav
> >> Date: Sat Dec 15 10:44:16 2012
> >> New Revision: 244249
> >> URL: http://svnweb.freebsd.org/changeset/base/244249
> >>
> >> Log:
> >>    Switch syscons from timeout() to callout_reset_flags() and specify that
> >>    precision is not important there -- anything from 20 to 30Hz will be fine.
> >>
> >> Modified:
> >>    projects/calloutng/sys/dev/syscons/syscons.c
> >>    projects/calloutng/sys/dev/syscons/syscons.h
> >>
> >> Modified: projects/calloutng/sys/dev/syscons/syscons.c
> >>
> > ==============================================================================
> >> --- projects/calloutng/sys/dev/syscons/syscons.c	Sat Dec 15 10:30:06 2012	
> > (r244248)
> >> +++ projects/calloutng/sys/dev/syscons/syscons.c	Sat Dec 15 10:44:16 2012	
> > (r244249)
> >> @@ -504,6 +504,8 @@ sc_attach_unit(int unit, int flags)
> >>
> >>       sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
> >>       sc->config = flags;
> >> +    callout_init(&sc->ctimeout, FALSE);
> >> +    callout_init(&sc->cblink, FALSE);
> >
> > Did you change the calling conventions for callout_init() in this branch?  In
> > HEAD the second argument is a flags variable (albeit with only a single flag
> > defined: CALLOUT_MPSAFE).  Thus, the common usage is to use 'callout_init(..,
> > 0);' for callouts that need Giant and 'callout_init(..., CALLOUT_MPSAFE);' for
> > those that do not need Giant.
> 
> No, I haven't. But man page still talks about "FALSE" value for mpsafe 
> argument and that confused me. Fixed. Thanks.

Ah, ok.  I think you have some other changes that used "TRUE" instead of
CALLOUT_MPSAFE as well.

-- 
John Baldwin



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