Re: [RFC][PATCH 6/6] objtool,x86: Rewrite retpoline thunk calls

From: Peter Zijlstra
Date: Sat Feb 20 2021 - 18:05:58 EST


On Sat, Feb 20, 2021 at 11:28:02PM +0100, Peter Zijlstra wrote:
> On Sat, Feb 20, 2021 at 06:41:01PM +0100, Borislav Petkov wrote:
> > > - I have more cases for objtool to rewrite code (I'll see if I can
> > > rebase and post that this weekend -- no promises).
> >
> > Oh noes.
>
> 11 patches and one beer later, it even boots :-)
>
> Saves more than 6k on a defconfig build.
>
> I'll push it out to git in a bit.

https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/log/?h=locking/jump_label