Why timer interrupt is disabled?
herman at wirelessnetworksinc.com
Fri May 25 13:06:11 EDT 2001
On Fri, 25 May 2001, David Woodhouse wrote:
> The kernel is not preemptively scheduled. Unless the first process
> explicitly calls schedule(), it's not going to lose the CPU. Only processes
> in user mode are scheduled from the timer IRQ.
Is it not dangerous to assume that the kernel is non-preemptive?
MTD is after all most likely to be used in a real-time system, which may very
well have a different scheduler from the common/garden variety Linux.
E-mail: Herman at WirelessNetworksInc.com
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