Re: [PATCH] ring-buffer: More precise time stamps for nested writes

[Steven Rostedt]

On Sat, 28 Mar 2015 09:14:30 +1100
Paul Mackerras <paulus@xxxxxxxxx> wrote:


> > It can be done cleanly if you encapsulate it properly.
> 
> Sure, but what is the advantage to using a static branch?  When would
> you ever want a single kernel image that could run either way
> depending on what machine it was running on?

For x86 you don't want it, unless you want to see interrupts
serialized, where some times you do.

It's not just an arch thing.

-- Steve
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/