Re: clang asm-goto support (Was Re: [PATCH v2] x86/retpoline: Add clang support)

From: Peter Zijlstra
Date: Wed Feb 14 2018 - 04:11:51 EST


On Wed, Feb 14, 2018 at 08:41:43AM +0000, Chandler Carruth wrote:
> Marina, Kees:
>
> I think the combination of LKML and the LLVM developer's list is probably
> too large a set of folks to have a (somewhat) lengthy exploration of
> options and how to go about this and find a good path forward.

As one of the original authors of the jump-label implementation I'm
saying there are no options. We're not going to do a second parallel
implementation. If you want to build the kernel, you get to implement
asm-goto, teh end.