linux-kernel - remove set

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Message-Id: <20200907055825.1917151-1-hch@lst.de>
Date:   Mon,  7 Sep 2020 07:58:17 +0200
From:   Christoph Hellwig <hch@....de>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Arnd Bergmann <arnd@...db.de>,
        Alexander Viro <viro@...iv.linux.org.uk>
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org
Subject: remove set_fs for riscv v2

Hi all,

this series converts riscv to the new set_fs less world and is on top of this
branch:

    https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git/log/?h=base.set_fs

The first four patches are general improvements and enablement for all nommu
ports, and might make sense to merge through the above base branch.

Changes since v1:
 - implement __get_user_fn and __put_user_fn for the UACCESS_MEMCPY case
   and remove the small constant size optimizations in raw_copy_from_user
   and raw_copy_to_user
 - reshuffle the patch order a little

Diffstat
 arch/riscv/Kconfig                   |    2 
 arch/riscv/include/asm/thread_info.h |    6 -
 arch/riscv/include/asm/uaccess.h     |  177 +++++++++++++++++------------------
 arch/riscv/kernel/process.c          |    1 
 arch/riscv/lib/Makefile              |    2 
 include/asm-generic/uaccess.h        |  109 +++++++++++++--------
 include/linux/uaccess.h              |    4 
 7 files changed, 166 insertions(+), 135 deletions(-)