Re: [PATCH] simplify update_times (avoid jiffies/jiffies_64 aliasing problem)

Paul Mackerras <[email protected]> wrote:
>
> Andi Kleen writes:
> 
> > Also I assume Atsushi-san did the patch because he saw a real problem?
> 
> Yes, one which I also saw on PPC.  The compiler (gcc-4) emits loads
> for jiffies, jiffies64 and wall_jiffies before storing the incremented
> jiffies64 value back.
> 

What was the effect of that?
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