Messages in this thread | | | Date | Fri, 25 Jul 2008 09:46:45 -0700 | From | Mike Travis <> | Subject | Re: [RFC 00/15] x86_64: Optimize percpu accesses |
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Jeremy Fitzhardinge wrote: > 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?
The oldest gcc I have available is 3.4.3 (and I just tried that one and it worked.) So that one and the ones listed above I've verified using Ingo's test config. (All other testing I'm using 4.2.3.)
> >> 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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