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

Max Asbock
2011-05-04T16:50:45Z

On Tue, 2011-05-03 at 20:11 -0700, John Stultz wrote:
> From: John Stultz <johnstul@us.ibm.com>
>
> 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