linux-kernel - Re: [PATCH] cpufreq: governor: remove copy_prev_load from 'struct cpu_dbs_common

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] [day] [month] [year] [list]

Message-ID: <20140609105248.GA25705@amd.pavel.ucw.cz>
Date:	Mon, 9 Jun 2014 12:52:48 +0200
From:	Pavel Machek <pavel@....cz>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	rjw@...ysocki.net, linaro-kernel@...ts.linaro.org,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	arvind.chauhan@....com, srivatsa.bhat@...ux.vnet.ibm.com,
	svaidy@...ux.vnet.ibm.com, ego@...ux.vnet.ibm.com
Subject: Re: [PATCH] cpufreq: governor: remove copy_prev_load from 'struct
 cpu_dbs_common_info'

On Mon 2014-06-09 10:54:17, Viresh Kumar wrote:
> 'copy_prev_load' was recently added by commit: 18b46ab (cpufreq: governor: Be
> friendly towards latency-sensitive bursty workloads).
> 
> It actually is a bit redundant as we also have 'prev_load' which can store any
> integer value and can be used instead of 'copy_prev_load' by setting it to zero
> when we don't want to use previous load.
> 
> So, drop 'copy_prev_load' and use 'prev_load' instead.
> 
> Update comments as well to make it more clear.
> 
> There is another change here which was probably missed by Srivatsa during the
> last version of updates he made. The unlikely in the 'if' statement was covering
> only half of the condition and the whole line should actually come under it.
> 
> Also checkpatch is made more silent as it was reporting this (--strict option):
> 
> CHECK: Alignment should match open parenthesis
> +		if (unlikely(wall_time > (2 * sampling_rate) &&
> +						j_cdbs->prev_load)) {
> 
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>

Acked-by: Pavel Machek <pavel@....cz>

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
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/