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Re: [Xen-devel] [RFC v2 1/6] x86/boot: add BIT() to boot/bitops.h
- To: "Luis R. Rodriguez" <mcgrof@xxxxxxxxxx>, hpa@xxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, bp@xxxxxxxxx
- From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Date: Fri, 19 Feb 2016 10:14:42 -0500
- Cc: jgross@xxxxxxxx, x86@xxxxxxxxxx, rusty@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, luto@xxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, david.vrabel@xxxxxxxxxx, andriy.shevchenko@xxxxxxxxxxxxxxx, mcb30@xxxxxxxx
- Delivery-date: Fri, 19 Feb 2016 15:15:36 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On 02/19/2016 09:15 AM, Luis R. Rodriguez wrote:
diff --git a/arch/x86/boot/bitops.h b/arch/x86/boot/bitops.h
index 878e4b9940d9..232cff0ff4e3 100644
--- a/arch/x86/boot/bitops.h
+++ b/arch/x86/boot/bitops.h
@@ -40,4 +40,6 @@ static inline void set_bit(int nr, void *addr)
asm("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr));
}
+#define BIT(x) (1 << x)
Parenthesize x.
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