Date: Sun, 30 Sep 2007 18:47:04 -0700 (PDT) From: Jeff Roberson <jroberson@chesapeake.net> To: Peter Grehan <grehan@FreeBSD.org> Cc: cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>, src-committers@FreeBSD.org, cognet@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern sched_ule.c Message-ID: <20070930184601.R583@10.0.0.1> In-Reply-To: <47004ACF.5020901@freebsd.org> References: <200709271639.l8RGdREd032105@repoman.freebsd.org> <46FBDFE8.9050909@freebsd.org> <20070930153101.T583@10.0.0.1> <47004ACF.5020901@freebsd.org>
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On Sun, 30 Sep 2007, Peter Grehan wrote: > Hi Jeff, > >>> ARM has it: > .. >> Did you verify that it works? > > No. Olivier would be able to answer though. If you can test ULE on UP arm/powerpc I'd appreciate it. Then we could add them to the set of supported architectures in ULE. > >> Does arm support SMP? It looks like it does not? > > Don't think so. > >> For UP it doesn't need to wait for blocked lock to clear but it does need >> to set td_lock. On UP there are no special synchronization requirements so >> it can happen as the very first instruction in cpu_switch. > > OK, I'll give it a whirl. > > later, > > Peter. > Thanks, Jeff
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