Date: Fri, 7 Mar 2014 15:25:50 +0100 From: Olivier Houchard <mlfbsd@ci0.org> To: Ruslan Bukin <br@FreeBSD.org> Cc: freebsd-arm <freebsd-arm@FreeBSD.org> Subject: Re: ULE on ARM Message-ID: <20140307142550.GA43639@ci0.org> In-Reply-To: <20140307141406.GA79223@machdep.com> References: <20140307141406.GA79223@machdep.com>
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Hi Ruslan, On Fri, Mar 07, 2014 at 06:14:06PM +0400, Ruslan Bukin wrote: > I discovered just a couple of ARM kernel configs > uses SCHED_ULE, but all other uses SCHED_4BSD > > any disadvantages to use ULE scheduler on ARM? > or it is just because of historical reasons? > > I enabled ULE on Freescale Vybrid and running > it for a long time just fine. > > according to my subjective impressions ULE > works better on ARM in sound applications > > -Ruslan I think that's this way mostly for historical reason, because I had issues with ULE around 2004/2005 or so. Switching to ULE is probably fine by now, I just remember there's a probably issue with ULE and SMP in swtch.S, I'll check this. Regards, Olivier
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