tree abab349b76c8fe1a117e1f9afb419aea145d43e1
parent f289a34811d8fff29f304e14f7edd4576ed9b598
author Christoph Hellwig <hch@lst.de> 1599458304 +0200
committer Palmer Dabbelt <palmerdabbelt@google.com> 1601832429 -0700
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riscv: implement __get_kernel_nofault and __put_user_nofault

Implement the non-faulting kernel access helpers directly instead of
abusing the uaccess routines under set_fs(KERNEL_DS).

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>