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Message-ID: <4759BE88.3020702@linux.vnet.ibm.com> Date: Sat, 08 Dec 2007 03:13:36 +0530 From: Balbir Singh <balbir@...ux.vnet.ibm.com> To: Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com> CC: linuxppc-dev@...abs.org, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] Fake NUMA emulation for PowerPC 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 > > -- 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/
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