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Tom Rini <trini@kernel.crashing.org> writes: > 1) Change this particular strcpy to a memcpy That doesn't fix the undefined behavior. > 2) Add -ffreestanding to the CFLAGS of arch/ppc/kernel/prom.o (If this > optimization comes back on with this flag later on, it would be a > compiler bug, yes?) That doesn't fix the undefined behavior. > 3) Modify the RELOC() marco in such a way that GCC won't attempt to > optimize anything which touches it [1]. (Franz, again by Jakub) That *does* fix the undefined behavior, and it seems that GCC is going to stay the same in the future, so this is a feasible workaround. > 4) Introduce a function to do the calculations [2]. (Corey Minyard) That doesn't fix the undefined behavior. > 5) 'Properly' set things up so that we don't need the RELOC() macros > (-mrelocatable or so?), and forget this mess altogether. This is the clean approach, and thus preferable in the long term. (3) seems to be the best short-time solution. - 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/ | |||||||||
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