Hi, On Tue, Oct 30, 2018 at 4:46 AM Daniel Thompson <daniel.thompson@xxxxxxxxxx> wrote: > > On Mon, Oct 29, 2018 at 11:07:07AM -0700, Douglas Anderson wrote: > > The function kgdb_roundup_cpus() was passed a parameter that was > > documented as: > > > > > the flags that will be used when restoring the interrupts. There is > > > local_irq_save() call before kgdb_roundup_cpus(). > > > > Nobody used those flags. Anyone who wanted to temporarily turn on > > interrupts just did local_irq_enable() and local_irq_disable() without > > looking at them. So we can definitely remove the flags. > > On the whole I'd rather that this change... > > > > Speaking of calling local_irq_enable(), it seems like a bad idea and > > it caused a nice splat on my system with lockdep turned on. > > Specifically it hit: > > DEBUG_LOCKS_WARN_ON(current->hardirq_context) > > ... and fixes for this this were in separate patches. They don't appear > especially related. Agreed that this is cleaner. Done for v2. -Doug
