From: Joel Schopp <jschopp@austin.ibm.com>
To: Michael Neuling <mikey@neuling.org>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] powerpc: update ibm,client-architecture
Date: Mon, 21 Dec 2009 12:15:27 -0600 [thread overview]
Message-ID: <4B2FBB3F.8030703@austin.ibm.com> (raw)
In-Reply-To: <29526.1261353566@neuling.org>
>> Subject: Re: [PATCH] powerpc: update ibm,client-architecture
>>
>
> Please give this a more appropriate name.
>
Any suggestions?
>
>> In order to boot with more than 64 cores on machines that support the
>> ibm,client-architecture RTAS call a new field has been added to the
>> structure. This patch updates that field and adds a few others in the
>> process.
>>
>
> Please detail what these are here.
>
OK.
>> + W(NR_CPUS/4), /* max cores supported */
>>
>
> 4?
>
>
4 is the new 2. Since you don't know the actual threads per core at
this point in boot you have to be conservative and go with the maximum
number of any processor. See page 4 of these charts:
http://www.power.org/events/powercon09/taiwan09/IBM_Overview_POWER7.pdf
>
>
> Can we do this now or remove the comment. Maybe UTS_RELEASE or
> something like that.
>
I'll just remove the comment for now.
next prev parent reply other threads:[~2009-12-21 18:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-18 21:07 [PATCH] powerpc: update ibm,client-architecture Joel Schopp
2009-12-20 23:59 ` Michael Neuling
2009-12-21 18:15 ` Joel Schopp [this message]
2009-12-21 21:12 ` Michael Neuling
2009-12-21 22:14 ` Joel Schopp
2009-12-22 0:33 ` Michael Neuling
2009-12-22 0:58 ` Tony Breeds
2009-12-21 0:44 ` Tony Breeds
2009-12-21 18:22 ` Joel Schopp
2009-12-22 0:18 ` Tony Breeds
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