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From: Tejun Heo <tj@kernel.org>
To: Vikas Shivappa <vikas.shivappa@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, vikas.shivappa@intel.com,
	matt.fleming@intel.com, hpa@zytor.com, tglx@linutronix.de,
	mingo@kernel.org, peterz@infradead.org, will.auld@intel.com,
	dave.hansen@intel.com, andi.kleen@intel.com, tony.luck@intel.com,
	kanaka.d.juvva@intel.com
Subject: Re: [PATCH 3/7] x86/intel_rdt: Support cache bit mask for Intel CAT
Date: Fri, 27 Feb 2015 07:18:03 -0500	[thread overview]
Message-ID: <20150227121803.GF3964@htj.duckdns.org> (raw)
In-Reply-To: <20150227121222.GE3964@htj.duckdns.org>

On Fri, Feb 27, 2015 at 07:12:22AM -0500, Tejun Heo wrote:
> I feel a bit underwhelmed about this new controller and its interface.
> It is evidently at a lot lower level and way more niche than what
> other controllers are doing, even cpuset.  At the same time, as long
> as it's well isolated, it piggybacking on cgroup should be okay.  I
> take it that the feature implemented is too coarse to allow for weight
> based distribution?

And, Ingo, Peter, are you guys in general agreeing with this addition?
As Tony said, we don't wanna be left way behind but that doesn't mean
we wanna jump on everything giving off the faintest sign of movement,
which sadly has happened often enough in the storage area at least.

Thanks.

-- 
tejun

  reply	other threads:[~2015-02-27 12:18 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-24 23:16 [PATCH V4 0/7] x86/intel_rdt: Intel Cache Allocation Technology Vikas Shivappa
2015-02-24 23:16 ` [PATCH 1/7] x86/intel_rdt: Intel Cache Allocation Technology detection Vikas Shivappa
2015-02-24 23:43   ` Borislav Petkov
2015-02-25  0:42     ` Vikas Shivappa
2015-02-25 11:21       ` Borislav Petkov
2015-02-26 18:19         ` Vikas Shivappa
2015-02-26 18:58           ` Borislav Petkov
2015-02-26 19:12             ` Vikas Shivappa
2015-02-26 19:22               ` Borislav Petkov
2015-03-03 23:34   ` Vikas Shivappa
2015-02-24 23:16 ` [PATCH 2/7] x86/intel_rdt: Adds support for Class of service management Vikas Shivappa
2015-02-24 23:16 ` [PATCH 3/7] x86/intel_rdt: Support cache bit mask for Intel CAT Vikas Shivappa
2015-02-27 12:12   ` Tejun Heo
2015-02-27 12:18     ` Tejun Heo [this message]
2015-02-27 19:34     ` Vikas Shivappa
2015-02-27 19:42       ` Tejun Heo
2015-02-27 21:38         ` Vikas Shivappa
2015-02-24 23:16 ` [PATCH 4/7] x86/intel_rdt: Implement scheduling support for Intel RDT Vikas Shivappa
2015-02-24 23:16 ` [PATCH 5/7] x86/intel_rdt: Software Cache for IA32_PQR_MSR Vikas Shivappa
2015-02-24 23:16 ` [PATCH 6/7] x86/intel_rdt: Intel haswell CAT enumeration Vikas Shivappa
2015-02-24 23:16 ` [PATCH 7/7] x86/intel_rdt: Add CAT documentation and usage guide Vikas Shivappa
2015-02-26 19:31   ` Hagen Paul Pfeifer
2015-02-25  9:26 ` [PATCH V4 0/7] x86/intel_rdt: Intel Cache Allocation Technology Peter Zijlstra
2015-02-25 16:40   ` Luck, Tony
2015-02-26 11:37     ` Ingo Molnar
2015-02-26 17:26       ` Vikas Shivappa
2015-02-26 18:16         ` Vikas Shivappa
2015-03-19 22:18       ` Vikas Shivappa
2015-03-12 23:16 [PATCH V5 " Vikas Shivappa
2015-03-12 23:16 ` [PATCH 3/7] x86/intel_rdt: Support cache bit mask for Intel CAT Vikas Shivappa
2015-04-09 20:56   ` Marcelo Tosatti
2015-04-13  2:36     ` Vikas Shivappa
2015-05-02  1:36 [PATCH V6 0/7] x86/intel_rdt: Intel Cache Allocation Technology Vikas Shivappa
2015-05-02  1:36 ` [PATCH 3/7] x86/intel_rdt: Support cache bit mask for Intel CAT Vikas Shivappa
2015-05-02 18:46   ` Peter Zijlstra
2015-05-04 17:30     ` Vikas Shivappa
2015-05-06  8:09       ` Peter Zijlstra
2015-05-06  8:30         ` Matt Fleming
2015-05-06 16:48         ` Vikas Shivappa
2015-05-06  8:11       ` Peter Zijlstra
2015-05-06 18:09         ` Vikas Shivappa

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