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Message-ID: <201308071458.r77Ewfca013087@farm-0012.internal.tilera.com> Date: Tue, 6 Aug 2013 14:32:49 -0400 From: Chris Metcalf <cmetcalf@...era.com> To: <linux-kernel@...r.kernel.org> Subject: [PATCH] tile: fix comment bug in sys_cmpxchg description Signed-off-by: Chris Metcalf <cmetcalf@...era.com> --- arch/tile/kernel/intvec_32.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S index cb52d66..25966af 100644 --- a/arch/tile/kernel/intvec_32.S +++ b/arch/tile/kernel/intvec_32.S @@ -1609,7 +1609,7 @@ ENTRY(sys_cmpxchg) * Because of C pointer arithmetic, we want to compute this: * * ((char*)atomic_locks + - * (((r0 >> 3) & (1 << (ATOMIC_HASH_SIZE - 1))) << 2)) + * (((r0 >> 3) & ((1 << ATOMIC_HASH_SHIFT) - 1)) << 2)) * * Instead of two shifts we just ">> 1", and use 'mm' * to ignore the low and high bits we don't want. -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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