Re: [PATCH] 2.6.18-rt7: fix more issues with 32-bit cycles_t in latency_trace.c(take 3)

From: Sergei Shtylyov
Date: Mon Dec 04 2006 - 13:03:30 EST


Hello.

Sergei Shtylyov wrote:

Why is cycles_t 32-bits on some of the arches to begin with?

I guess this was done for speed reasons.

The whole 64-bit timebase can't be rad atomically on PPC32. ARM probably has stricter limitations...

Ingo

WBR, Sergei
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