[RFC PATCH 2/9] x86/purgatory: Simplify stack handling

[Nathan Chancellor]

On Fri, Apr 26, 2024 at 09:32:52PM +0000, Justin Stitt wrote:
> Hi,
> 
> On Wed, Apr 24, 2024 at 11:26:59AM -0700, Nathan Chancellor wrote:
> > On Wed, Apr 24, 2024 at 05:53:12PM +0200, Ard Biesheuvel wrote:
> > >  arch/x86/purgatory/stack.S        | 18 ------------------
> > 
> > This needs a small fix up to build.
> > 
> >   make[6]: *** No rule to make target 'arch/x86/purgatory/stack.o', needed by 'arch/x86/purgatory/purgatory.ro'.
> > 
> 
> I was trying to reproduce this build failure, but to no avail. I am
> curious what your build target / build command was.
> 
> It is clear that stack.S has been removed so your change makes sense, I
> don't doubt that -- I just cannot get that specific error message you

Odd, I was using my distribution configuration for the test but it is
easily reproducible with allmodconfig:

  $ make -skj"$(nproc)" ARCH=x86_64 LLVM=1 allmodconfig arch/x86/purgatory/
  make[6]: *** No rule to make target 'arch/x86/purgatory/stack.o', needed by 'arch/x86/purgatory/purgatory.ro'.
  ...

> encountered (what is a .ro file supposed to be, anyway?).

Read only? Relocatable object? *shrug*

Cheers,
Nathan