linux-kernel - Re: [PATCH] cpufreq: powernv: Define methods to parse positive & negative pstates

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:   Tue, 5 Dec 2017 11:11:30 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Shilpasri G Bhat <shilpa.bhat@...ux.vnet.ibm.com>
Cc:     linux-pm@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, rjw@...ysocki.net,
        svaidy@...ux.vnet.ibm.com, akshay.adiga@...ux.vnet.ibm.com,
        huntbag@...ux.vnet.ibm.com,
        "Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>
Subject: Re: [PATCH] cpufreq: powernv: Define methods to parse positive &
 negative pstates

On 30-11-17, 10:13, Shilpasri G Bhat wrote:
> From: "Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>
> 
> Pstates are 8bit values but on POWER8 they are negative and on POWER9
> they are positive. This patch adds helper routines to differentiate
> the sign to read the correct pstate value.
> 
> Signed-off-by: Gautham R. Shenoy <ego@...ux.vnet.ibm.com>
> Tested-by: Shilpasri G Bhat <shilpa.bhat@...ux.vnet.ibm.com>
> ---
>  drivers/cpufreq/powernv-cpufreq.c | 43 ++++++++++++++++++++++++++++++---------
>  1 file changed, 33 insertions(+), 10 deletions(-)

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

-- 
viresh