On Tue, Dec 12, 2017 at 2:45 PM, <shrikant.mau...@techveda.org> wrote: > From: Shrikant Maurya <shrikant.mau...@techveda.org> > > As reported by Jia-Ju Bai (https://lkml.org/lkml/2017/12/11/872): > API's are using GFP_KERNEL to allocate memory which may sleep. > > To ensure atomicity such allocations must be avoided in critical > sections under spinlock.
That's right. Which is why wakeup_source_create() should never be called under a spinlock. Are you aware of any place that happens in the mainline kernel? Thanks, Rafael
