Messages in this thread | | | Date | Fri, 29 Feb 2008 10:42:35 -0800 (PST) | Subject | Re: printk timestamps jumping back and forth in 2.6.25-rc. | From | David Miller <> |
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From: Paul Mackerras <paulus@samba.org> Date: Fri, 29 Feb 2008 22:11:26 +1100
> On powerpc we use the timebase register, which is synchronized across > CPUs, so if this will add unnecessary overhead, we will want to way to > turn it off on powerpc (assuming this ends up going upstream).
Similarly on sparc64, all of our TSCs are fully synchronized so this complexity is completely unnecessary.
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