On Wed, Aug 12, 2009 at 10:41 AM, Michael Schnell <mschn...@lumino.de>wrote:
> Jim Donelson wrote: > > > > I wonder why (on an SP machine) you don't just disable interrupts for a > > few instructions and give yourself an atomic dec? > > > With many archs it's not possible to disable/enable interrupts in > user-space. > But, then if you have an MMU, you have atomic instructions. > > -Michael > > _______________________________________________ > uClinux-dev mailing list > uClinux-dev@uclinux.org > http://mailman.uclinux.org/mailman/listinfo/uclinux-dev > This message was resent by uclinux-dev@uclinux.org > To unsubscribe see: > http://mailman.uclinux.org/mailman/options/uclinux-dev >
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