On Sat, Aug 17, 2013 at 06:37:46PM -0700, Paul E. McKenney wrote: > From: Borislav Petkov <b...@alien8.de> > > CONFIG_RCU_FAST_NO_HZ can increase grace-period durations by up to > a factor of four, which can result in long suspend and resume times. > Thus, this commit temporarily switches to expedited grace periods when > suspending the box and return to normal settings when resuming. > > [ paulmck: This also papers over an audio/irq bug, but hopefully that will > be fixed soon. ] > > Signed-off-by: Borislav Petkov <b...@suse.de> > Signed-off-by: Paul E. McKenney <paul...@linux.vnet.ibm.com>
This patch still seems like a hack, and there *ought* to be a better general solution to avoid excessive grace-period latency. Nonetheless, in the absence of such a solution, Reviewed-by: Josh Triplett <j...@joshtriplett.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
