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authorNick Desaulniers <ndesaulniers@google.com>2020-08-07 22:59:18 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-13 03:43:08 +0200
commit865c50e1d279671728c2936cb7680eb89355eeea (patch)
tree45bc6cf5392974a642f9264cd0c1871b375131e7 /drivers/crypto
parentx86: Make __put_user() generate an out-of-line call (diff)
downloadlinux-865c50e1d279671728c2936cb7680eb89355eeea.tar.xz
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x86/uaccess: utilize CONFIG_CC_HAS_ASM_GOTO_OUTPUT
Clang-11 shipped support for outputs to asm goto statments along the fallthrough path. Double up some of the get_user() and related macros to be able to take advantage of this extended GNU C extension. This should help improve the generated code's performance for these accesses. Cc: Bill Wendling <morbo@google.com> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/crypto')
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