arch/tile: fix bug in delay_backoff()



We were carefully computing a value to use for the number of loops
to spin for, and then ignoring it.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

parent 7a7039ee

arch/tile/lib/spinlock_common.h

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -60,5 +60,5 @@ static void delay_backoff(int iterations)
	loops += __insn_crc32_32(stack_pointer, get_cycles_low()) &		loops += __insn_crc32_32(stack_pointer, get_cycles_low()) &
	(loops - 1);		(loops - 1);

	relax(1 << exponent);		relax(loops);
	}		}