remove set_fs calls from the coredump code v6

[Eric W. Biederman]

Christoph Hellwig <hch at lst.de> writes:

> On Tue, May 05, 2020 at 03:28:50PM -0500, Eric W. Biederman wrote:
>> We probably can.   After introducing a kernel_compat_siginfo that is
>> the size that userspace actually would need.
>> 
>> It isn't something I want to mess with until this code gets merged, as I
>> think the set_fs cleanups are more important.
>> 
>> 
>> Christoph made some good points about how ugly the #ifdefs are in
>> the generic copy_siginfo_to_user32 implementation.
>
> Take a look at the series you are replying to, the magic x86 ifdefs are
> entirely gone from the common code :)

Interesting.

That is a different way of achieving that, and I don't hate it.
  
I still want whatever you are doing to settle before I touch that code
again.  Removing the set_fs is important and I have other fish to fry
at the moment.

Eric