Re: objtool warning "uses BP as a scratch register" with clang-9
From: Arnd Bergmann
Date: Wed Aug 28 2019 - 11:30:07 EST
On Wed, Aug 28, 2019 at 4:51 PM Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:
> On Wed, Aug 28, 2019 at 11:00:04AM +0200, Arnd Bergmann wrote:
> > On Tue, Aug 27, 2019 at 11:22 PM 'Nick Desaulniers' via Clang Built
> > Linux <clang-built-linux@xxxxxxxxxxxxxxxx> wrote:
> > > On Tue, Aug 27, 2019 at 12:47 PM Arnd Bergmann <arnd@xxxxxxxx> wrote:
> > Only a few unique objtool warnings remain now, here are the ones I
> > currently see,
> > along with .config files. Let me know which ones I should investigate further,
> > I assume a lot of these are known issues:
> None of those look necessarily familiar. What are the remaining "known"
> clang issues which were found by objtool?
Maybe Nick can identify some.
> If you share .o files I can look at them.
Attaching the ones I could easily recreate here.