Re: [RFC 00/15] x86_64: Optimize percpu accesses

[Jeremy Fitzhardinge]

Mike Travis wrote:
> FYI, I think it was a combination of errors that was causing my problems.
> In any case, I've successfully compiled and booted Ingo's pesky config
> config-Tue_Jul__1_16_48_45_CEST_2008.bad with gcc's 4.2.0, 4.2.3 and 4.2.4
> on both Intel and AMD boxes.  (As well as a variety of other configs.)
>   

Good.  What compilers have you tested?  Will it work over the complete 
supported range?

> I think Hugh's change adding "text" to the BUILD_IRQ macro might also have
> helped, since interrupts seemed to have always been involved in the panics.
> That might explain the variable-ness of the gcc version's.

Yes, indeed.  That was a nasty one, and will be very sensitive to the 
exact order gcc decided to emit things.

   J
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