[PATCH] futexes, flash9 related

[Kostik Belousov]

On Fri, Feb 06, 2009 at 09:47:28AM +0100, Alexander Leidinger wrote:
> Quoting Chagin Dmitry <dchagin at freebsd.org> (from Fri, 6 Feb 2009  
> 09:35:50 +0300):
> 
> >On Thu, Feb 05, 2009 at 08:20:13AM -0200, Renato Botelho wrote:
> >>On Sun, Dec 21, 2008 at 3:49 PM, Chagin Dmitry <dchagin at freebsd.org> 
> >>wrote:
> >>>
> >>> Hi,
> >>> /me ready to present patches for testing (nor review).
> >>>
> >>> The primary goal - the futexes code is rewrited, Giant removed.
> >>>
> >>> head: http://people.freebsd.org/~timur/dchagin/mega-head.linux.patch
> >>> stable/7: http://people.freebsd.org/~timur/dchagin/mega-st7.linux.patch
> >>>
> >>> Please, test and report any problems. thnx!
> >>
> >>Hello,
> >>
> >>I would like to test this because i'm having some freezes on
> >>firefox3 + flash9 + 8.0-current i386 r188003 but the patch
> >>doesn't apply cleanly here, is there a new version that i've
> >>missed?
> >>
> >
> >hi,
> >try http://lnxx64.googlecode.com/files/futexes_partial.patch
> 
> Please let the DEBUG part as it is, I'm in the process of converting  
> it to DTrace  
> (http://svnweb.freebsd.org/viewvc/base/user/netchild/linuxulator-dtrace/).

DTrace is absolutely unsuitable for getting the _traces_ from the kernel,
as well as the kernel printfs. Moreover, use of KTR is in-line with other
tracing points in *our* kernel.

DTrace probes are orthogonal to traces.
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