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SubjectRe: [PATCH] perf, x86: Add hw_watchdog_set_attr() in a sake of nmi-watchdog on P4
On Tue, Jun 28, 2011 at 12:27:14PM -0400, Don Zickus wrote:
> On Tue, Jun 28, 2011 at 08:11:10PM +0400, Cyrill Gorcunov wrote:
> >
> > wd_attr->sample_period = hw_nmi_get_sample_period(watchdog_thresh);
> > --> hw_nmi_watchdog_set_attr(wd_attr);
> >
> > itself? Ie you suspect some different point where to call it?
> >
> > When I said not a "best place" I meant about __weak function bare implementation
> > placed that near to call (which is looked somehow suspicious for me from overall
> > code structure), but I didn't mean the call sequence itself ;)
>
> Sorry I was probably vague. What I meant to say is that the call
> 'hw_nmi_watchdog_set_attr' is really x86 specific and thought we could
> bury it down there somehow. Yeah the __weak symbol cleverly gets around
> it.
>
> I was thinking it would be nice to stick it in hw_nmi_get_sample_period as
> that is arch specific. But it really wouldn't make sense there.
>
> It's probably fine for now and maybe someday we can come up with a better
> idea where to put it.

OK, clear enough, lets stick with other issues. Thanks!

>
> I don't want to waste to much time thinking about it as I have other
> issues I am dealing with. I just wanted to get this resolved so I can
> push this patch into RHEL-6.
>
> Cheers,
> Don

Cyrill


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