Andrew Morton wrote:
> On Thu, 15 Feb 2007 22:14:45 -0800 Dan Hecht <[email protected]> wrote:
>
>
>>> config PREEMPT
>>> bool "Preemptible Kernel (Low-Latency Desktop)"
>>> + depends on !XEN
>>> help
>>> This option reduces the latency of the kernel by making
>>> all kernel code (that is not executing in a critical section)
>>>
>>>
>
> Oh, so that's why it doesn't break when CONFIG_PREEMPT=y. In which case
> that preempt_disable() I spotted is wrong-and-unneeded.
>
> Why doesn't Xen work with preemption??
>
I've forgotten the details. Ian? Keir? Steven? Maybe it can be done.
J
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