Re: [PATCH] treewide: replace RETPOLINE with CONFIG_RETPOLINE

[WANG Chao]

On 12/21/18 at 11:47P, Borislav Petkov wrote:
> On Fri, Dec 21, 2018 at 05:33:47PM +0800, WANG Chao wrote:
> > On 12/11/18 at 12:37P, WANG Chao wrote:
> > > Since commit 4cd24de3a098 ("x86/retpoline: Make CONFIG_RETPOLINE depend
> > > on compiler support"), RETPOLINE has been replaced by CONFIG_RETPOLINE.
> > > 
> > > Fixes: 4cd24de3a098 ("x86/retpoline: Make CONFIG_RETPOLINE depend on compiler support")
> > > Signed-off-by: WANG Chao <chao.wang@xxxxxxxxx>
> > 
> > ping ...
> 
> This one somehow slipped through the cracks... :-\
> 
> Ok, let's see: this could be relevant for the case when a module built
> with a compiler which doesn't support retpolines, gets loaded on a
> system which is built with retpolines.

You're right.

> 
> Which is pretty seldom as the majority of setups out there should have
> a retpoline-enabled compiler. And should not allow loading external
> modules anyway, but that's a different story.
> 
> So, this close to the merge window, I'm inclined to delay this one after
> it and have it take the x86/urgent fixes path. Unless someone screams
> and says that patch breaks his system. I haven't seen any reports about
> it so far so...

OK. Thanks.

WANG Chao