Re: [PATCH] xen/smp: Use die_complete completion when taking CPU down

2014-10-16 Thread Ingo Molnar
* Boris Ostrovsky wrote: > diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c > index 8650cdb..4da0008 100644 > --- a/arch/x86/xen/smp.c > +++ b/arch/x86/xen/smp.c > @@ -498,6 +498,7 @@ static int xen_cpu_disable(void) > if (cpu == 0) > return -EBUSY; > > + init_compl

[PATCH] xen/smp: Use die_complete completion when taking CPU down

2014-10-15 Thread Boris Ostrovsky
Commit 2ed53c0d6cc9 ("x86/smpboot: Speed up suspend/resume by avoiding 100ms sleep for CPU offline during S3") introduced completions to CPU offlining process. These completions are not initialized on Xen kernels causing a panic in play_dead_common(). Add handling of die_complete on Xen (this requ