linux-kernel - Re: [RFC patch 0/4] change 64 bit variables to long type

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: <51BB26B5.5000102@intel.com>
Date:	Fri, 14 Jun 2013 22:20:37 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	Alex Shi <alex.shi@...el.com>
CC:	mingo@...hat.com, peterz@...radead.org, tglx@...utronix.de,
	akpm@...ux-foundation.org, bp@...en8.de, pjt@...gle.com,
	namhyung@...nel.org, efault@....de, morten.rasmussen@....com,
	vincent.guittot@...aro.org, preeti@...ux.vnet.ibm.com,
	viresh.kumar@...aro.org, linux-kernel@...r.kernel.org,
	mgorman@...e.de, riel@...hat.com, wangyun@...ux.vnet.ibm.com,
	Jason Low <jason.low2@...com>
Subject: Re: [RFC patch 0/4] change 64 bit variables to long type

On 06/07/2013 03:29 PM, Alex Shi wrote:
> There are some 64 bits variables in cfs_rq/tg etc. That ask expersive
> operations in 32 bit machine. But in fact, long type is enough for them.
> 
> So do this change lead more efficient code and without data lose.
> 

some variable like cfs_rq->runnable_load_avg, there is no much changes
in patch  1/4, since in most of place it was treated as a 'unsigned
long', not u64.

Anyway, Paul, I know you are watching the mailing list. :)
Could you like to give some comments on this patchset?
> Regards
> Alex
> 


-- 
Thanks
    Alex
--
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/