Re: [PATCH v1 5/6] bitops: Introduce BIT_ULL

From: Srinivas Pandruvada
Date: Thu Sep 19 2013 - 12:59:23 EST


On 09/19/2013 09:48 AM, Borislav Petkov wrote:
On Thu, Sep 19, 2013 at 09:00:34AM -0700, Srinivas Pandruvada wrote:
Adding BIT(x) equivalent for unsigned long long type, BIT_ULL(x).

Suggested-by: Joe Perches <joe@xxxxxxxxxxx>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---
include/linux/bitops.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index a3b6b82..34e9e94 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -4,6 +4,7 @@
#ifdef __KERNEL__
#define BIT(nr) (1UL << (nr))
+#define BIT_ULL(nr) (1ULL << (nr))
We already have BIT_64 for that.

The current definition for BIT_64 is in arch/x86/include/asm/bitops.h. I feel it should be applicable for all architectures and move to some common file.

Thanks,
Srinivas
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