Re: [patch] CFS scheduler, -v8

Matt Mackall
2007-05-08T05:39:29Z

On Mon, May 07, 2007 at 09:28:32AM -0700, Linus Torvalds wrote:
>
>
> On Mon, 7 May 2007, Esben Nielsen wrote:
> >
> > What is (long)(a-b) ? I have tried to look it up in the C99 standeard but I
> > can't find it. Maybe it is in the referred LIA-1 standeard, which I can't find
> > with google.
>
> I don't worry about non-2's-complement machines (they don't exist, and
> likely won't exist in the future either).

They do exist. And they run Linux. SLES9 in fact.

http://en.wikipedia.org/wiki/UNIVAC_1100/2200_series#UNISYS_ClearPath_IX_series

http://www.unisys.com/eprise/main/admin/corporate/doc/ClearPath_Plus_Dorado_Model_390_Server_Specification_Sheet.pdf

That machine is a direct descendant of the Univac 1101 from 1950 and
is still software-compatible with 1107s from 1962.

(Granted, they only run Linux on the x86 side.)

--
Mathematics is the supreme nostalgia of our time.