Messages in this thread | | | Date | Tue, 23 Apr 2002 09:31:51 +0100 | From | Russell King <> | Subject | Re: in_interrupt race |
| |
On Tue, Apr 23, 2002 at 01:25:24PM +1000, Rusty Russell wrote: > Yes: the old CPU happens to be processing an interrupt now. > The neat solution is to follow Linus' original instinct and make > PREEMPT an option only for UP: I only like preempt because it brings > UP into line with SMP, effectively enlarging the SMP userbase to reasonable > size.
> -bool 'Preemptible kernel' CONFIG_PREEMPT > +dep_bool 'Preemptible kernel' CONFIG_PREEMPT $CONFIG_SMP > -bool 'Preemptible Kernel' CONFIG_PREEMPT > +dep_bool 'Preemptible Kernel' CONFIG_PREEMPT $CONFIG_SMP
Do you really mean that CONFIG_PREEMPT is only available if CONFIG_SMP is 'y' or undefined?
-- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |