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From: "Jan Beulich" <JBeulich@suse.com>
To: Yi Sun <yi.y.sun@linux.intel.com>
Cc: kevin.tian@intel.com, wei.liu2@citrix.com,
	he.chen@linux.intel.com, andrew.cooper3@citrix.com,
	dario.faggioli@citrix.com, ian.jackson@eu.citrix.com,
	mengxu@cis.upenn.edu, xen-devel@lists.xenproject.org,
	chao.p.peng@linux.intel.com, roger.pau@citrix.com
Subject: Re: [PATCH v11 09/23] x86: refactor psr: L3 CAT: set value: assemble features value array.
Date: Tue, 30 May 2017 09:17:49 -0600	[thread overview]
Message-ID: <592DA93D020000780015DC3C@prv-mh.provo.novell.com> (raw)
In-Reply-To: <1493801063-38513-10-git-send-email-yi.y.sun@linux.intel.com>

>>> On 03.05.17 at 10:44, <yi.y.sun@linux.intel.com> wrote:
> Only can one COS ID be used by one domain at one time. That means all enabled
> features' COS registers at this COS ID are valid for this domain at that 
> time.
> 
> When user updates a feature's value, we need make sure all other features'
> values are not affected. So, we firstly need gather an array which contains
> all features current values and replace the setting feature's value in array
> to new value.
> 
> Then, we can try to find if there is a COS ID on which all features' COS
> registers values are same as the array. If we can find, we just use this COS
> ID. If fail to find, we need pick a new COS ID.
> 
> This patch implements value array assembling flow.
> 
> Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>

No specific comments on this one, but comments given on earlier
ones also apply here or - afaict - make changes necessary.

Jan


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  reply	other threads:[~2017-05-30 15:17 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-03  8:44 [PATCH v11 00/23] Enable L2 Cache Allocation Technology & Refactor psr.c Yi Sun
2017-05-03  8:44 ` [PATCH v11 01/23] docs: create Cache Allocation Technology (CAT) and Code and Data Prioritization (CDP) feature document Yi Sun
2017-05-03  8:44 ` [PATCH v11 02/23] x86: move cpuid_count_leaf from cpuid.c to processor.h Yi Sun
2017-05-03  8:44 ` [PATCH v11 03/23] x86: refactor psr: remove L3 CAT/CDP codes Yi Sun
2017-05-03  8:44 ` [PATCH v11 04/23] x86: refactor psr: L3 CAT: implement main data structures, CPU init and free flows Yi Sun
2017-05-30 13:05   ` Jan Beulich
2017-05-31  2:44     ` Yi Sun
2017-05-31  6:02       ` Jan Beulich
2017-05-31  9:36   ` Jan Beulich
2017-06-01  3:18     ` Yi Sun
2017-06-01  6:57       ` Jan Beulich
2017-05-03  8:44 ` [PATCH v11 05/23] x86: refactor psr: L3 CAT: implement Domain init/free and schedule flows Yi Sun
2017-05-30 13:26   ` Jan Beulich
2017-05-31  6:37     ` Yi Sun
2017-05-31  6:57       ` Jan Beulich
2017-05-03  8:44 ` [PATCH v11 06/23] x86: refactor psr: L3 CAT: implement get hw info flow Yi Sun
2017-05-30 13:51   ` Jan Beulich
2017-05-03  8:44 ` [PATCH v11 07/23] x86: refactor psr: L3 CAT: implement get value flow Yi Sun
2017-05-30 14:05   ` Jan Beulich
2017-05-31  7:30     ` Yi Sun
2017-05-31  7:45       ` Jan Beulich
2017-05-31  8:05         ` Yi Sun
2017-05-31  8:10           ` Jan Beulich
2017-06-01  3:14             ` Yi Sun
2017-05-03  8:44 ` [PATCH v11 08/23] x86: refactor psr: L3 CAT: set value: implement framework Yi Sun
2017-05-30 14:32   ` Jan Beulich
2017-06-01 10:00     ` Yi Sun
2017-06-01 10:45       ` Jan Beulich
2017-06-02  2:49         ` Yi Sun
2017-06-06  7:43           ` Jan Beulich
2017-06-06  8:18             ` Yi Sun
2017-06-06  8:39               ` Jan Beulich
2017-05-03  8:44 ` [PATCH v11 09/23] x86: refactor psr: L3 CAT: set value: assemble features value array Yi Sun
2017-05-30 15:17   ` Jan Beulich [this message]
2017-05-03  8:44 ` [PATCH v11 10/23] x86: refactor psr: L3 CAT: set value: implement cos finding flow Yi Sun
2017-05-30 15:23   ` Jan Beulich
2017-05-03  8:44 ` [PATCH v11 11/23] x86: refactor psr: L3 CAT: set value: implement cos id picking flow Yi Sun
2017-05-03  8:44 ` [PATCH v11 12/23] x86: refactor psr: L3 CAT: set value: implement write msr flow Yi Sun
2017-05-30 15:35   ` Jan Beulich
2017-06-05  8:10     ` Yi Sun
2017-05-03  8:44 ` [PATCH v11 13/23] x86: refactor psr: CDP: implement CPU init flow Yi Sun
2017-05-31  9:37   ` Jan Beulich
2017-06-02  7:26     ` Yi Sun
2017-06-06  7:45       ` Jan Beulich
2017-06-06  8:13         ` Yi Sun
2017-06-06  8:38           ` Jan Beulich
2017-06-07  1:31             ` Yi Sun
2017-06-07  7:28               ` Yi Sun
2017-06-07  8:14               ` Jan Beulich
2017-06-07  9:00                 ` Yi Sun
2017-05-03  8:44 ` [PATCH v11 14/23] x86: refactor psr: CDP: implement get hw info flow Yi Sun
2017-05-31  9:40   ` Jan Beulich
2017-06-05  8:09     ` Yi Sun
2017-05-03  8:44 ` [PATCH v11 15/23] x86: refactor psr: CDP: implement set value callback function Yi Sun
2017-05-31  9:44   ` Jan Beulich
2017-06-02  7:59     ` Yi Sun
2017-06-06  7:48       ` Jan Beulich
2017-06-06  8:22         ` Yi Sun
2017-06-06  8:43           ` Jan Beulich
2017-06-06 10:43             ` Yi Sun
2017-06-06 10:49               ` Jan Beulich
2017-05-03  8:44 ` [PATCH v11 16/23] x86: L2 CAT: implement CPU init flow Yi Sun
2017-05-03  8:44 ` [PATCH v11 17/23] x86: L2 CAT: implement get hw info flow Yi Sun
2017-05-03  8:44 ` [PATCH v11 18/23] x86: L2 CAT: implement get value flow Yi Sun
2017-05-31  9:51   ` Jan Beulich
2017-05-03  8:44 ` [PATCH v11 19/23] x86: L2 CAT: implement set " Yi Sun
2017-05-31  9:52   ` Jan Beulich
2017-05-03  8:44 ` [PATCH v11 20/23] tools: L2 CAT: support get HW info for L2 CAT Yi Sun
2017-05-11 12:39   ` Wei Liu
2017-05-03  8:44 ` [PATCH v11 21/23] tools: L2 CAT: support show cbm " Yi Sun
2017-05-11 12:40   ` Wei Liu
2017-05-03  8:44 ` [PATCH v11 22/23] tools: L2 CAT: support set " Yi Sun
2017-05-11 12:43   ` Wei Liu
2017-05-03  8:44 ` [PATCH v11 23/23] docs: add L2 CAT description in docs Yi Sun

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