Re: [PATCH] bitops.h: Widen BIT macro to support 64-bit types

[Borislav Petkov]

From: Matthew Wilcox <matthew@xxxxxx>
Date: Thu, Oct 14, 2010 at 07:12:13AM -0400

> On Thu, Oct 14, 2010 at 12:58:55PM +0200, Borislav Petkov wrote:
> >  #ifdef	__KERNEL__
> > -#define BIT(nr)			(1UL << (nr))
> > +#define BIT(nr)			(U64_C(1) << (nr))
> 
> Why not just use 1ULL instead?

Wanted to be __ASSEMBLY__ safe.

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Boris.

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