Re: [PATCH 4/8] binfmt_elf: open code copy_siginfo_to_user to kernelspace buffer

[Christoph Hellwig]

On Tue, Apr 14, 2020 at 03:15:09PM +0200, Arnd Bergmann wrote:
> I don't think you are changing the behavior here, but I still wonder if it
> is in fact correct for x32: is in_x32_syscall() true here when dumping an
> x32 compat elf process, or should this rather be set according to which
> binfmt_elf copy is being used?

The infrastructure cold enable that, although it would require more
arch hooks I think.  I'd rather keep it out of this series and to
an interested party.  Then again x32 doesn't seem to have a whole lot
of interested parties..