On Thu, Aug 24, 2017 at 03:07:42PM +0200, Thomas Gleixner wrote: > On Wed, 23 Aug 2017, Boqun Feng wrote: > > > There is no need to use COMPLETION_INITIALIZER_ONSTACK() in > > acpi_nfit_flush_probe(), replace it with init_completion(). > > You completely fail to explain WHY. > I thought COMPLETION_INITIALIZER_ONSTACK() should only use in assigment or compound literals, so the usage here is obviously wrong, but seems I was wrong? Ingo, Is the usage of COMPLETION_INITIALIZER_ONSTACK() correct? If not, I could rephrase my commit log saying this is a fix for wrong usage of COMPLETION_INITIALIZER_ONSTACK(), otherwise, I will rewrite the commit indicating this patch is a necessary dependency for patch #2. Thanks! Regards, Boqun > Thanks, > > tglx > > > > Signed-off-by: Boqun Feng <boqun.feng@xxxxxxxxx> > > --- > > drivers/acpi/nfit/core.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c > > index 19182d091587..1893e416e7c0 100644 > > --- a/drivers/acpi/nfit/core.c > > +++ b/drivers/acpi/nfit/core.c > > @@ -2884,7 +2884,7 @@ static int acpi_nfit_flush_probe(struct nvdimm_bus_descriptor *nd_desc) > > * need to be interruptible while waiting. > > */ > > INIT_WORK_ONSTACK(&flush.work, flush_probe); > > - COMPLETION_INITIALIZER_ONSTACK(flush.cmp); > > + init_completion(&flush.cmp); > > queue_work(nfit_wq, &flush.work); > > mutex_unlock(&acpi_desc->init_mutex); > > > > -- > > 2.14.1 > > > >
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