Re: [PATCH] Kill div64.h dupes, parenthesize do_div() macro params

Russell King (rmk@arm.linux.org.uk)
Wed, 2 Jul 2003 08:56:47 +0100

On Wed, Jul 02, 2003 at 07:57:59AM +0200, Andrea Arcangeli wrote:
> this doesn't even sounds safe. If it's just for printing not a big deal,

It used to be only used in vsprintf. However, now it features in the
kernels time code, and that rather screws things up if its implemented
as a 32 by 32 operation.

Therefore, if architectures want a stable time subsystem, all
architectures must provide a do_div() which is a 64 by 32 operation.

-- 
Russell King (rmk@arm.linux.org.uk)                The developer of ARM Linux
             http://www.arm.linux.org.uk/personal/aboutme.html


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