Recent versions of the Linux kernel will not preempt CPU-intensive tasks unless the clock used by sched_clock() works. On -M versatilepb that's the 24MHz timer in the system controller. It's a very simple timer, so implement it. Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Read the documentation in qemu-doc.html. Fabrice Bellard.
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