[RFC] per-CPU usage in perf core-book3s

[Sebastian Andrzej Siewior]

On 2020-02-05 07:10:59 [+0530], maddy wrote:
> Yes, currently we dont have anything that prevents the timer
> callback to interrupt pmu::event_init. Nice catch. Thanks for
> pointing this out.

You are welcome.

> Looking at the code, per-cpu variable access are made to
> check for constraints and for Branch Stack (BHRB). So could
> wrap this block of  pmu::event_init with local_irq_save/restore.
> Will send a patch to fix it.

Okay. Please keep me in the loop :)

> 
> Maddy

Sebastian