Re: [PATCH 0/3] x86 bugfixes for LTO

[Chris Wilson]

Quoting Arnd Bergmann (2018-02-02 14:54:28)
> Here are three bugfixes for x86 that I needed to get LTO-enabled
> kernels to build reliably. I'm not sure abouto that first one
> though.

Is there a howto on how to build LTO kernels? I tried Andi's lto-415-2
branch, but linking fails with lots of arcane PIE-vs-PIC errors. We are
wanting to investigate how we can use LTO to reduce our (i915.ko) module
size (by e.g. supporting a subset of chipsets).
-Chris