Messages in this thread | | | Date | Fri, 08 Dec 2006 13:09:42 -0800 | From | Jeremy Fitzhardinge <> | Subject | Re: proxy_pda was Re: What was in the x86 merge for .20 |
| |
Andi Kleen wrote: > Looking at Arkadiusz' output file it looks like gcc 4.2 decided to CSE the > address :/ > > movl $_proxy_pda+8, %edx #, tmp65 > > Very sad, but legitimate. >
Yes, that was my conclusion too. Though in this case the code could be cleaned up by cutting down on the number of uses of "current" - but that's hardly a general fix.
> The only workaround I can think of would be to define it as a symbol > (or away in vmlinux.lds.S)
Yes. I was thinking about setting it in vmlinux.lds to some obviously bad address so that any access will be highly visible.
> . Or do away with the idea of proxy_pda > again. >
That would be very sad indeed.
J - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |