Date: Wed, 6 Jun 2007 10:49:17 +1000 (EST) From: Bruce Evans <brde@optusnet.com.au> To: Jeff Roberson <jeff@freebsd.org> Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/kern sched_4bsd.c sched_ule.c Message-ID: <20070606104316.U51903@delplex.bde.org> In-Reply-To: <200706050412.l554CkdC019916@repoman.freebsd.org> References: <200706050412.l554CkdC019916@repoman.freebsd.org>
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On Tue, 5 Jun 2007, Jeff Roberson wrote: > jeff 2007-06-05 04:12:46 UTC > > FreeBSD src repository > > Modified files: > sys/kern sched_4bsd.c sched_ule.c > Log: > - Better fix for previous error; use DEVOLATILE on the td_lock pointer > it can actually sometimes be something other than sched_lock even on > schedulers which rely on a global scheduler lock. > > Tested by: kan In another reply, I wrote: >> Should know better than to use __DECONST: C programmers. Should know that using __DEVOLATILE is 100 times worse than using __DECONST: C programmers. Bruce
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