[LAU] CONFIG_PREEMPT_RCU

From: Brent Busby <brent@email-addr-hidden>
Date: Fri Jul 24 2009 - 22:55:14 EEST

Looking over Linux kernel list archives and other places, it looks like
when the "RCU Implementation" choice hit the mainline non-patched
kernel, the option to choose "Preemptable RCU" caused quite a stir as
many latent bugs were uncovered.

It looks like many bugs got fixed, but is it safe now? Should one
enable CONFIG_PREEMPT_RCU on a 2.6.29.6 kernel these days? It seems to
be available even without RT patches.

-- 
+ Brent A. Busby	 + "We've all heard that a million monkeys
+ UNIX Systems Admin	 +  banging on a million typewriters will
+ University of Chicago	 +  eventually reproduce the entire works of
+ Physical Sciences Div. +  Shakespeare.  Now, thanks to the Internet,
+ James Franck Institute +  we know this is not true." -Robert Wilensky
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Received on Sat Jul 25 00:15:05 2009

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