linux-kernel - Re: [PATCH V15 00/11] x86: Intel Cache Allocation Technology Support

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Date:	Tue, 13 Oct 2015 19:40:58 -0300
From:	Marcelo Tosatti <mtosatti@...hat.com>
To:	"Yu, Fenghua" <fenghua.yu@...el.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	H Peter Anvin <hpa@...or.com>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	x86 <x86@...nel.org>,
	Vikas Shivappa <vikas.shivappa@...ux.intel.com>
Subject: Re: [PATCH V15 00/11] x86: Intel Cache Allocation Technology Support

On Mon, Oct 12, 2015 at 06:52:49PM +0000, Yu, Fenghua wrote:
> > From: Thomas Gleixner [mailto:tglx@...utronix.de]
> > Sent: Sunday, October 11, 2015 12:50 PM
> > To: Yu, Fenghua
> > Cc: H Peter Anvin; Ingo Molnar; Peter Zijlstra; linux-kernel; x86; Vikas
> > Shivappa; Marcelo Tosatti
> > Subject: Re: [PATCH V15 00/11] x86: Intel Cache Allocation Technology
> > Support
> > 
> > Fenghua,
> > 
> > On Thu, 1 Oct 2015, Fenghua Yu wrote:
> > 
> > +Cc: Marcelo
> > 
> > > This series has some preparatory patches and Intel cache allocation
> > > support.
> > 
> > <snip>
> > 
> > > Changes in v15:
> > >  - Add a global IPI to update the closid on CPUs for current tasks.
> > >  - Other minor changes where I remove the updating of clos_cbm_table
> > > to be  set to all 1s during init.
> > >  - Fix a few compilation warnings.
> > >  - Port the patches to 4.3-rc.
> > 
> > What's the state of the interface discussion? I have not yet seen any
> > agreement on that, unless I missed the important mail.
> 
> Peter Anvin will discuss the interface with Tejun during the Kernel Summit. Hopefully Tejun will agree with the current cgroup interface in the patch set.

How can you fix the issue of sockets with different reserved cache
regions with hw in the cgroup interface?

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