From: David S. Miller <davem@sunset.davemloft.net>
Date: Wed, 22 Feb 2006 00:55:23 +0000 (-0800)
Subject: [SPARC64]: Use sun4v_cpu_idle() in cpu_idle() on SUN4V.
X-Git-Tag: v2.6.17-rc1~1184^2~49
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30c91d576e9ea41c963e7f28643219bda73b0ddc;p=pandora-kernel.git

[SPARC64]: Use sun4v_cpu_idle() in cpu_idle() on SUN4V.

We have to turn off the "polling nrflag" bit when we sleep
the cpu like this, so that we'll get a cross-cpu interrupt
to wake the processor up from the yield.

We also have to disable PSTATE_IE in %pstate around the yield
call and recheck need_resched() in order to avoid any races.

Signed-off-by: David S. Miller <davem@davemloft.net>
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