x86: get rid of user_atomic_cmpxchg_inatomic()

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Only one user left; the thing had been made polymorphic back in 2013
for the sake of MPX.  No point keeping it now that MPX is gone.
Convert futex_atomic_cmpxchg_inatomic() to user_access_{begin,end}()
while we are at it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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Al Viro 2020-03-19 22:23:48 -04:00

parent a251b2d513

commit f5544ba712

2 changed files with 19 additions and 94 deletions

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20

arch/x86/include/asm/futex.h

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93

arch/x86/include/asm/uaccess.h

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