Merge branch 'sparc64-optimized-fls'
Vijay Kumar says:
====================
sparc64: Optimize fls and __fls
SPARC provides lzcnt instruction (with VIS3) which can be used to
optimize fls, __fls and fls64 functions. For the systems that supports
lzcnt instruction, we now do boot time patching to use sparc
optimized fls, __fls and fls64 functions.
v3->v4:
- Fixed a typo.
v2->v3:
- Using ENTRY(), ENDPROC() for assembler functions.
- Removed BITS_PER_LONG from __fls.
- Using generic fls64().
- Replaced lzcnt instruction with .word directive.
v1->v2:
- Fixed delay slot issue.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
