Date: Sun, 30 Sep 2007 18:18:07 -0700 From: Peter Grehan <grehan@freebsd.org> To: Jeff Roberson <jroberson@chesapeake.net> 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: <47004ACF.5020901@freebsd.org> In-Reply-To: <20070930153101.T583@10.0.0.1> References: <200709271639.l8RGdREd032105@repoman.freebsd.org> <46FBDFE8.9050909@freebsd.org> <20070930153101.T583@10.0.0.1>
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Hi Jeff, >> ARM has it: .. >Did you verify that it works? No. Olivier would be able to answer though. > 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.
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