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Re: [PATCH 3/9] x86/intel_rdt: Cache Allocation documentation and cgroup usage guide

From Vikas Shivappa <vikas.shivappa@intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH 3/9] x86/intel_rdt: Cache Allocation documentation and cgroup usage guide
Date 2015-08-04 23:00 +0200
Message-ID <pTRtw-55z-9@gated-at.bofh.it> (permalink)
References <pHyFX-2Jd-3@gated-at.bofh.it> <pHyFY-2Jd-7@gated-at.bofh.it> <pRewk-425-63@gated-at.bofh.it>
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On Tue, 28 Jul 2015, Peter Zijlstra wrote:

> On Wed, Jul 01, 2015 at 03:21:04PM -0700, Vikas Shivappa wrote:
>
> Please edit this document to have consistent spacing. Its really hard to
> read this. Every time I spot a misplaced space my brain stumbles and I
> need to restart.

Will fix all the spacing and other indentions issues mentioned. 
Thanks for pointing them all out. Although the other documents I see dont have a 
consistent format completely which is what confused me, this format would be 
better.

>> +
>> +The following considerations are done for the PQR MSR write so that it
>> +has minimal impact on scheduling hot path:
>> +- This path doesnt exist on any non-intel platforms.
>
> !x86 I think you mean, its entirely possible to have the code present
> on AMD systems for instance.
>
>> +- On Intel platforms, this would not exist by default unless CGROUP_RDT
>> +is enabled.
>
> You can enable this just fine on AMD machines.

The cache alloc code is under CPU_SUP_INTEL ..

Thanks,
Vikas
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Re: [PATCH 3/9] x86/intel_rdt: Cache Allocation documentation and  cgroup usage guide Vikas Shivappa <vikas.shivappa@intel.com> - 2015-08-04 23:00 +0200

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