x86: make 'constant_test_bit()' take an unsigned bit number
Ingo noticed that using signed arithmetic seems to confuse the gcc inliner, and make it potentially decide that it's all too complicated. (Yeah, yeah, it's a constant. It's always positive. Still..) Based-on: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -300,7 +300,7 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
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return oldbit;
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}
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static inline int constant_test_bit(int nr, const volatile unsigned long *addr)
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static inline int constant_test_bit(unsigned int nr, const volatile unsigned long *addr)
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{
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return ((1UL << (nr % BITS_PER_LONG)) &
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(((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0;
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