On Thu, Oct 09, 2014 at 06:50:04AM -0700, Greg KH wrote: > On Thu, Oct 09, 2014 at 02:57:25PM +0200, Frederic Weisbecker wrote: > > On Thu, Oct 09, 2014 at 06:34:26AM -0400, Linus Torvalds wrote: > > > Hmm.. > > > > > > On Thu, Oct 9, 2014 at 2:48 AM, Ingo Molnar <mingo@xxxxxxxxxx> wrote: > > > > > > > > Please pull the latest timers-nohz-for-linus git tree from: > > > > > > > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-nohz-for-linus > > > > > > > > # HEAD: 9b01f5bf3999a3db5b1bbd9fdfd80d8d304e94ee nohz: nohz full depends on irq work self IPI support > > > > > > > > Main changes: > > > > > > > > - Fix the deadlock reported by Dave Jones et al > > > > - Clean up and fix nohz_full interaction with arch abilities > > > > - nohz init code consolidation/cleanup > > > > > > Ok, pulled. But none of these are marked for stable, yet the deadlock > > > people are seeing is in 3.17. Is there a separate line of minimal > > > fixes just for that? Or was the lack of stable tags just an oversight? > > > > It was first intended because the patchset is quite invasive and nohz full has > > no known users, or perhaps there is one... So I thought that backporting > > could be more dangerous than anything. > > > > Now thinking more about it I could isolate the following patches for > > stable: > > > > irq_work: Introduce arch_irq_work_has_interrupt() > > irq_work: Force raised irq work to run on irq work interrupt > > x86: Tell irq work about self IPI support > > arm: Tell irq work about self IPI support > > > > Sending these to stable@xxxxxxxxxxxxxxx would catch up, right? I > > can still do that. > > If I can just pick those patches directly, that's all I need for the > stable trees. What are the git ids in Linus's tree for these patches, > so that I know I got this correct? Awesome, here we go in order: _ c5c38ef3d70377dc504a6a3f611a3ec814bc757b: irq_work: Introduce arch_irq_work_has_interrupt() _ 76a33061b9323b7fdb220ae5fa116c10833ec22e: irq_work: Force raised irq work to run on irq work interrupt _ 3010279f0fc36f0388872203e63ca49912f648fd: x86: Tell irq work about self IPI support _ 09f6edd424218eb69078551b2ecfada1f2d098eb: arm: Tell irq work about self IPI support Only 3.17 should be concerned. Thanks a lot Greg! > thanks, > > greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html