Re: [RFC PATCH] kernel: add byteorder macros with alignment fixups

From: Harvey Harrison
Date: Thu Mar 20 2008 - 14:37:44 EST


On Thu, 2008-03-20 at 18:29 +0000, Al Viro wrote:
> On Thu, Mar 20, 2008 at 10:34:14AM -0700, Harvey Harrison wrote:
> > A common pattern in the kernel (especially networking) is:
> >
> > le32_to_cpu(get_unaligned((__le32 *)x));
> >
> > Repeat for various combinations of le/be and 64/32/16 bit. Add
> > a variant that operates on possibly unaligned pointers to
> > byteorder/generic.h
>
> ... and asm/unaligned.h has just acquired fuckloads of places including
> it indirectly. Not Nice(tm).

Time for linux/unaligned.h?

Do you think the helpers are worth it...wherever they end up?

Harvey

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