linux-kernel - Re: [PATCH v6 0/4] powercap/rapl: reduce ipi calls and misc clean up

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 7 Mar 2016 17:06:42 -0800
From:	Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:	Jacob Pan <jacob.jun.pan@...ux.intel.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Linux PM <linux-pm@...r.kernel.org>,
	Rafael Wysocki <rafael.j.wysocki@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [PATCH v6 0/4] powercap/rapl: reduce ipi calls and misc clean
 up

On Wed, 24 Feb 2016 13:31:34 -0800
Jacob Pan <jacob.jun.pan@...ux.intel.com> wrote:

> Changes since v5:
> 	- Split changes into seprate patches. No code change.
> Changes since V4:
> 	- Deleted unnecessary cpumask_any_and() call, assign first
> cpu as lead Changes since V3:
> 	- Avoid for_each_online_cpu() search for per package MSR
> access. This is achieved by tracking a per package lead cpu via
> cpumask_xx() calls. (suggested by Thomas Gleixner
> <tglx@...utronix.de>)
> 	    - Add direct reference of RAPL package for each RAPL
> domain.
> 
> Jacob Pan (4):
>   cpumask: export cpumask_any_but
>   powercap/rapl: reduce ipi calls
>   powercap/rapl: add package reference per domain
>   powercap/rapl: track lead cpu per package
> 
>  drivers/powercap/intel_rapl.c | 220
> ++++++++++++++++++++++--------------------
> lib/cpumask.c                 |   1 + 2 files changed, 115
> insertions(+), 106 deletions(-)
> 
Hi Thomas,

Do you have more comments?

Thanks,

Jacob