On Tue, Dec 18, 2018 at 12:16:37PM +0100, Sebastian Andrzej Siewior wrote: > On 2018-12-18 12:02:09 [+0100], Peter Zijlstra wrote: > > On Tue, Dec 18, 2018 at 06:30:33PM +0800, zhe.he@xxxxxxxxxxxxx wrote: > > > Besides, in preempt-rt full mode, the freeing can happen in atomic context and > > > thus cause the following BUG. > > > > Hurm, I though we fixed all those long ago.. > > > > And no, the patch is horrible; that's what we have things like > > x86_pmu::cpu_dead() for. > > ehm, you say we keep memory allocation +free on CPU up/down? Sure, why not?
