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SubjectRe: [PATCH 18/25] arm64: ilp32: introduce binfmt_ilp32.c
Date
On Friday 22 April 2016 17:51:30 Catalin Marinas wrote:
> On Wed, Apr 06, 2016 at 01:08:40AM +0300, Yury Norov wrote:
> > --- /dev/null
> > +++ b/arch/arm64/kernel/binfmt_ilp32.c
>
> [...]
>
> > +#include "../../../fs/binfmt_elf.c"
>
> How different is this new binfmt_ilp32.c file from the first part of
> compat_binfmt_elf.c? I wonder whether we could include the latter here
> instead and make this similar to binfmt_elf32.c introduced by the
> previous patch.

That is how the earlier versions did it, and I thought it ended up
too ugly with lots of runtime checks instead of compile-time checks.

The current version is how I asked it to be done. A slight
variation would be to keep using fs/compat_binfmt_elf.c for one
of the two compat modes (today it is used for aarch32) and have
a separate file include "../../../fs/binfmt_elf.c" for the other
mode (as this patch does for ilp32). I think that is what I asked
for, but there was probably a good reason for having two files
in the same directory. The result is basically the same.

Arnd

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