On Wed, Jan 23, 2019 at 06:33:02PM +0000, James Morse wrote:
> Was the best I had, but this trips the BUILD_BUG() too early.
> With it, x86 BUILD_BUG()s. With just the -1 the path gets pruned out, and there
> are no 'sdei' symbols in the object file.
>
> ...at this point, I stopped caring!
Yah, you said it: __end_of_fixed_addresses will practically give you the
BUG behavior:
if (idx >= __end_of_fixed_addresses) {
BUG();
return;
}
and ARM64 does the same.
> We already skip registering notifiers if the kconfig option wasn't selected.
>
> We can't catch this at compile time, as the dead-code elimination seems to
> happen in multiple passes.
>
> I'll switch the SDEI ones to __end_of_fixed_addresses, as both architectures
> BUG() when they see this.
Right.
Thx.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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