[Bug 204125] FTBFS on ppc64 big endian and gcc9 because of -mcall-aixdesc and missing __linux__

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=204125

--- Comment #6 from Daniel Kolesa (linux at octaforge.org) ---
This appears to be the actual reason why the kernel fails to link without
-mcall-aixdesc:

<smaeul> specifically it's the -mcall-aixdesc that's problematic. but removing
it breaks recordmcount.pl, because nm is looking in the wrong section for
symbols
<smaeul> so it fails to recognize static symbols and the kernel fails to link
<smaeul> (quick hack is to update the local-symbol regex from "t" to "d" in
recordmcount.pl)

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