From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: linuxppc-dev@ozlabs.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Fake NUMA emulation for PowerPC
Date: Sat, 08 Dec 2007 03:13:36 +0530 [thread overview]
Message-ID: <4759BE88.3020702@linux.vnet.ibm.com> (raw)
In-Reply-To: <4759BCBA.7060800@linux.vnet.ibm.com>
Balbir Singh wrote:
> Geert Uytterhoeven wrote:
>> On Sat, 8 Dec 2007, Balbir Singh wrote:
>>> + if (strstr(p, "fake="))
>>> + cmdline = p + 5; /* 5 is faster than strlen("fake=") */
>> Really? My gcc is smart enough to replace the `strlen("fake=")' by 5, even
>> without -O.
>>
>
> Thanks for pointing that out, but I am surprised that a compiler would
> interpret library routines like strlen.
>
I just tested it and it turns out that you are right. I'll go hunt to
see where gcc gets its magic powers from.
>> With kind regards,
>>
>> Geert Uytterhoeven
>> Software Architect
>
>
next prev parent reply other threads:[~2007-12-07 21:43 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-07 21:14 [PATCH] Fake NUMA emulation for PowerPC Balbir Singh
2007-12-07 21:28 ` Olof Johansson
2007-12-07 21:35 ` Balbir Singh
2007-12-07 21:55 ` Kumar Gala
2007-12-07 22:12 ` Balbir Singh
2007-12-07 22:15 ` Kumar Gala
2007-12-07 22:18 ` Balbir Singh
2007-12-07 23:10 ` David Rientjes
2007-12-08 4:22 ` Balbir Singh
2007-12-09 13:16 ` Pavel Machek
2007-12-09 13:20 ` Balbir Singh
2007-12-07 23:06 ` David Rientjes
2007-12-07 21:30 ` Geert Uytterhoeven
2007-12-07 21:35 ` Balbir Singh
2007-12-07 21:43 ` Balbir Singh [this message]
2007-12-07 21:58 ` Arnd Bergmann
2007-12-07 22:03 ` Balbir Singh
2007-12-07 22:01 ` Arnd Bergmann
2007-12-07 22:22 ` Balbir Singh
[not found] ` <20071207221106.GH16824@localdomain>
2007-12-07 22:26 ` Balbir Singh
2007-12-07 23:11 ` David Rientjes
2007-12-08 4:32 ` Balbir Singh
2007-12-08 4:45 ` David Rientjes
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