Re: [PATCH 05/15] x86: Implement function_nocfi

From: Borislav Petkov
Date: Fri Apr 16 2021 - 18:03:06 EST


On Fri, Apr 16, 2021 at 02:49:23PM -0700, Sami Tolvanen wrote:
> __nocfi only disables CFI checking in a function, the compiler still
> changes function addresses to point to the CFI jump table, which is
> why we need function_nocfi().

So call it __func_addr() or get_function_addr() or so, so that at least
it is clear what this does.

Also, am I going to get a steady stream of patches adding that wrapper
to function names or is this it? IOW, have you built an allyesconfig to
see how many locations need touching?

--
Regards/Gruss,
Boris.

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