Messages in this thread | | | Subject | Re: [PATCH] time: Add locking to xtime access in get_seconds() | From | Max Asbock <> | Date | Wed, 04 May 2011 09:51:00 -0700 |
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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
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