Messages in this thread |  | | Date | Mon, 18 Jul 2022 09:56:01 -0500 | From | Segher Boessenkool <> | Subject | Re: mainline build failure of powerpc allmodconfig for prom_init_check |
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On Mon, Jul 18, 2022 at 01:52:38PM +1000, Michael Ellerman wrote: > Segher Boessenkool <segher@kernel.crashing.org> writes: > > Can't we simply have a small simple implementation of these functions in > > arch/powerpc/boot/? This stuff is not performance-critical, and this is > > not the first time we hit these problems. > > prom_init.c isn't in arch/powerpc/boot :)
Ah duh :-)
> It's linked into the kernel proper, but we want it to behave like a > pre-boot environment (because not all boot paths run it) which is why we > restrict what symbols it can call. > > We could have a prom_memset() etc. but we'd need to do some tricks to > rewrite references to memset() to prom_memset() before linking.
You can do it in its linker script?
Segher
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