Re: [PATCH v5 00/18] Rework READ_ONCE() to improve codegen

[Peter Zijlstra]

On Thu, May 14, 2020 at 03:35:58PM +0200, Marco Elver wrote:
>   4. __no_kcsan functions should never be spuriously inlined into
> instrumented functions, causing the accesses of the __no_kcsan
> function to be instrumented. [Satisfied by Clang >= 7. All GCC
> versions are broken.]

The current noinstr annotation implies noinline, for a similar issue, we
need the function to be emitted in a specific section. So while yuck,
this is not an immediate issue for us.