linux-kernel - Re: [PATCH 3/5] x86/intel_rdt: Fail early on a resource with incorrect domains

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Message-ID: <alpine.DEB.2.20.1703011503560.4005@nanos>
Date:   Wed, 1 Mar 2017 15:05:14 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Vikas Shivappa <vikas.shivappa@...ux.intel.com>
cc:     vikas.shivappa@...el.com, linux-kernel@...r.kernel.org,
        x86@...nel.org, hpa@...or.com, mingo@...nel.org,
        peterz@...radead.org, ravi.v.shankar@...el.com,
        tony.luck@...el.com, fenghua.yu@...el.com, andi.kleen@...el.com
Subject: Re: [PATCH 3/5] x86/intel_rdt: Fail early on a resource with incorrect
 domains

On Fri, 17 Feb 2017, Vikas Shivappa wrote:

> When a schemata file is changed, user enters control values for all
> domains and all resources in the below format (Consider L3 and L2
> resources):
> 
> L3:<cache_id0>=<cbm>;<cache_id1>=<cbm>;...
> L2:<cache_id0>=<cbm>;<cache_id1>=<cbm>;...
> 
> Return error as soon as we detect a resource not entering all domain
> values in schemata rather than waiting till we parse all resources
> because the entire change is atomic.

This sentence makes no sense at all. 

> Also this avoids looping all enabled resources again.

See previous mails. Context, Problem, Solution ....

Thanks,

	tglx