Re: arch/sh/kernel/relocate_kernel.S:38: Error: invalid operands for opcode

Al Viro
2023-12-20T06:00:44Z

On Wed, Dec 20, 2023 at 01:44:19PM +0800, Baoquan He wrote:

> > arch/sh/kernel/relocate_kernel.S: Assembler messages:
> > >> arch/sh/kernel/relocate_kernel.S:38: Error: invalid operands for opcode
> > arch/sh/kernel/relocate_kernel.S:41: Error: invalid operands for opcode
> > arch/sh/kernel/relocate_kernel.S:126: Error: invalid operands for opcode
> > arch/sh/kernel/relocate_kernel.S:129: Error: invalid operands for opcode
>
> I reproduced this error, haven't got why and a way to fix it, will come
> back later if I have fix.

At a guess - after that commit ARCH_SUPPORTS_CRASH_DUMP is enough to enable CRASH_DUMP,
which selects KEXEC_CORE regardless of ARCH_SUPPORTS_KEXEC. And on sh you have
the former selected on any UP build, while the latter - only on MMU ones (i.e.
not SH2).