Re: [PATCH] [v2] waitqueue: shut up clang -Wuninitialized warnings

From: Peter Zijlstra
Date: Wed Jul 24 2019 - 03:31:45 EST


On Tue, Jul 23, 2019 at 01:54:03PM -0700, Nick Desaulniers wrote:
> Note that pre-clang-9 can be used for LTS x86_64; I don't think
> CONFIG_JUMP_LABEL was made mandatory for x86 until 4.20 release, IIRC.
> There's only a small window of non LTS kernels and only for x86 where
> clang-9+ is really necessary.

Given all the code-gen issues we've been finding, I wouldn't want to
touch a pre-9 clang. Irrespective of wether it builds or not, it's
absolutely unreliable crap.