On Sun, May 12, 2013 at 11:34:30PM +0200, Joerg Roedel wrote:
> On Sun, May 12, 2013 at 01:57:48PM -0700, Paul E. McKenney wrote:
> > That does look pretty extreme! If you build with CONFIG_RCU_NO_HZ=n,
> > but without the revert, do you still get the delays?
>
> With CONFIG_RCU_NO_HZ=n (and no revert) the system boots fine, no boot
> delay. I also enabled some RCU debugging options (with
> CONFIG_RCU_NO_HZ=y), but didn't see anything so far.
OK, good -- we at least have an easy work-around while I am tracking
this down. ;-)
Thanx, Paul
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