Re: [PATCH v3 2/8] lockdep: Introduce CROSSRELEASE_STACK_TRACE and make it not unwind as default

From: Ingo Molnar
Date: Wed Oct 25 2017 - 01:53:29 EST



* Byungchul Park <byungchul.park@xxxxxxx> wrote:

> On Tue, Oct 24, 2017 at 12:05:16PM +0200, Ingo Molnar wrote:
> >
> > * Byungchul Park <byungchul.park@xxxxxxx> wrote:
> >
> > > Johan Hovold reported a performance regression by crossrelease like:
> >
> > Pplease add Reported-by and Analyzed-by tags - you didn't even Cc: Johan!
>
> Excuse me but, I am sure, whom is the issue analyzed by? Me?

Well, Johan tracked it all down for us, Thomas gave the right suggestion to fix
the performance regression, so I meant something like:

Reported-by: Johan Hovold <johan@xxxxxxxxxx>
Bisected-by: Johan Hovold <johan@xxxxxxxxxx>
Analyzed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

Thanks,

Ingo