Re: [patch] x86: reduce srat verbosity in the kernel log

Mike Travis
2009-11-20T18:58:42Z

Pavel Machek wrote:
> Hi!
>
>> There's two problems outlined in this discussion:
>>
>> A) too verbose bootup that is annoying with 64 CPUs and a show-stopper
>> with 4096 CPUs.
>>
>> B) the ad-hoc nature of our topology enumeration. Some of it is in
>> /sys, some of it is in printk logs. None really works well and
>> there's no structure in it.
>>
>> The simplest solution for (A) is what i suggested a few mails ago: dont
>> print the information by default, but allow (for trouble-shooting)
>> purposes for it to be printed when a boot option is passed.
>
> Well, yes, it is *simplest*, but is it best? Example printing 'cpus
> 0-31 stepping 3, cpus 32-63 stepping 4' seem rather convincing --such
> info should be there by default and not after speciial option...
> Pavel

I think that Ingo had a point. If it's printing a summary after the
all the cpu's boot, then it should also be available online, which in
this case it's in /proc/cpuinfo.

Ingo - was there anything left open on my last submission that I have
to deal with, to gain acceptance?

Thanks,
Mike