linux-kernel - Re: [PATCH 09/15] x86, amd: add accessor for number of cores per compute unit

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]

Message-ID: <20150828080418.GB13309@gmail.com>
Date:	Fri, 28 Aug 2015 10:04:18 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Huang Rui <ray.huang@....com>, Borislav Petkov <bp@...e.de>,
	Jean Delvare <jdelvare@...e.de>,
	Guenter Roeck <linux@...ck-us.net>,
	Andy Lutomirski <luto@...capital.net>,
	Andreas Herrmann <herrmann.der.user@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <lenb@...nel.org>,
	John Stultz <john.stultz@...aro.org>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	lm-sensors@...sensors.org, linux-kernel@...r.kernel.org,
	x86@...nel.org,
	Andreas Herrmann <herrmann.der.user@...glemail.com>,
	Aravind Gopalakrishnan <Aravind.Gopalakrishnan@....com>,
	Fengguang Wu <fengguang.wu@...el.com>,
	Aaron Lu <aaron.lu@...el.com>, Tony Li <tony.li@....com>
Subject: Re: [PATCH 09/15] x86, amd: add accessor for number of cores per
 compute unit


* Borislav Petkov <bp@...en8.de> wrote:

> On Thu, Aug 27, 2015 at 04:07:40PM +0800, Huang Rui wrote:
> > Add an accessor function amd_get_cores_per_cu() which returns the
> > number of cores per compute unit.
> > 
> > In a subsequent patch, we will use this function in fam15h_power
> > driver.
> > 
> > Signed-off-by: Huang Rui <ray.huang@....com>
> > ---
> >  arch/x86/include/asm/processor.h |  1 +
> >  arch/x86/kernel/cpu/amd.c        | 19 +++++++++++++++++--
> >  2 files changed, 18 insertions(+), 2 deletions(-)
> 
> Btw, this needs an ACK from a tip person if it goes through the hwmon
> tree.

Looks good to me in theory.

I suspect we might want to factor the 'compute unit' logic out a bit more if usage 
becomes more widespread - but right now it's hwmon drivers only,right?

Thanks,

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/