On Thu, 15 Feb 2007 22:14:45 -0800 Dan Hecht <dhecht at vmware.com> 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 hate to sound like a broken record, but this really isn't the right > way to do this. If you are going to inhibit config settings when Xen > support is compiled, then it should be: > > config XEN > depends on !KEXEC && !DOUBLEFAULT && HZ_100 && !PREEMPT > Agree.
