linux-kernel - remove set_fs calls from the exec and coredump code v3

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Message-Id: <20200421154204.252921-1-hch@lst.de>
Date:   Tue, 21 Apr 2020 17:41:57 +0200
From:   Christoph Hellwig <hch@....de>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>
Cc:     Jeremy Kerr <jk@...abs.org>, Arnd Bergmann <arnd@...db.de>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: remove set_fs calls from the exec and coredump code v3

Hi all,

this series gets rid of playing with the address limit in the exec and
coredump code.  Most of this was fairly trivial, the biggest changes are
those to the spufs coredump code.

Changes since v2:
 - don't cleanup the compat siginfo calling conventions, use the patch
   variant from Eric with slight coding style fixes instead.

Changes since v1:
 - properly spell NUL
 - properly handle the compat siginfo case in ELF coredumps