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Date:      Sat, 13 Aug 2011 16:38:07 +0200
From:      Marius Strobl <marius@alchemy.franken.de>
To:        Peter Jeremy <peterjeremy@acm.org>
Cc:        freebsd-sparc64@freebsd.org
Subject:   Re: 'make -j16 universe' gives SIReset
Message-ID:  <20110813143807.GY48988@alchemy.franken.de>
In-Reply-To: <20110613235144.GA12470@server.vk2pj.dyndns.org>
References:  <20110526234728.GA69750@server.vk2pj.dyndns.org> <20110527120659.GA78000@alchemy.franken.de> <20110601231237.GA5267@server.vk2pj.dyndns.org> <20110608224801.GB35494@alchemy.franken.de> <20110613235144.GA12470@server.vk2pj.dyndns.org>

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On Tue, Jun 14, 2011 at 09:51:44AM +1000, Peter Jeremy wrote:
> On 2011-Jun-09 00:48:01 +0200, Marius Strobl <marius@alchemy.franken.de> wrote:
> >I think meanwhile I had a sound idea how to achieve the necessary level
> >of protection in the MD code using just atomic operations instead of
> >sched_lock, which further down would also allow the use of SCHED_ULE.
> 
> Sounds good - let me know if there's anything I can do to help.
> 

Could you please give the following patch with SCHED_4BSD (cpu_switch()
still is missing support for SCHED_ULE) with something like -j128
buildworlds a try on your V890?
http://people.freebsd.org/~marius/sparc64_replace_sched_lock_w_atomic.diff

Marius




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