Re: [PATCH] time: Add locking to xtime access in get_seconds()

[Max Asbock]

On Tue, 2011-05-03 at 20:11 -0700, John Stultz wrote:
> From: John Stultz <johnstul@xxxxxxxxxx>
> 
> So get_seconds() has always been lock free, with the assumption
> that accessing a long will be atomic.
> 

get_seconds() is used in the x86 machine check handler and there is a
comment saying:
/* We hope get_seconds stays lockless */

This needs to be carefully looked at if locking is introduced to
get_seconds().

- Max

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