linux-kernel - Re: [RFC patch 15/27] Immediate Values

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: <20080417103635.GG1677@cs181133002.pp.htv.fi>
Date:	Thu, 17 Apr 2008 13:36:35 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	linux-kernel@...r.kernel.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	Andi Kleen <andi@...stfloor.org>,
	Christoph Hellwig <hch@...radead.org>, akpm@...l.org
Subject: Re: [RFC patch 15/27] Immediate Values - Documentation

On Thu, Apr 17, 2008 at 06:52:54PM +0900, KOSAKI Motohiro wrote:
> > +Memory read:
> > +644.09ツア11.39 - 88.16ツア1.35 = 555.93ツア11.46 cycles
> > +
> > +Getppid without memory pressure:
> > +1462.09ツア18.87 - 150.92ツア1.01 = 1311.17ツア18.90 cycles
> > +
> > +Getppid with memory pressure:
> > +17113.33ツア1655.92 - 578.22ツア269.51 = 16535.11ツア1677.71 cycles
> > +
> > +Therefore, if we add 2 markers not based on immediate values to the getppid
> > +code, which would add 2 memory reads, we would add
> > +2 * 555.93ツア12.74 = 1111.86ツア25.48 cycles
> 
> sorry..
> 
> non ascii character is harmful for some language region user.
> Couldn't you write ascii only?

The kernel is UTF-8, and this shouldn't be a problem.

The problem seems to be that Mathieu's emails don't contain a header 
indicating the charset.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

--
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/