On Mon, Aug 22, 2011 at 06:52:33PM +0300, Amit Kucheria wrote: > "Nacked-by: Peter Zijlstra <a.p.zijls...@chello.nl> > > the kernel really shouldn't be using hotplug for this (nor should > userspace really). hot-unplugging random cpus wrecks things like > cpusets. Furthermore hotplug does way too much work to use as a simple > means to idle a cpu. > > Even the availability of this mask is wrong, since that implies the > information is useful, which per the above it is not, the kernel > shouldn't care about this full-stop. > > The only reason for the OS to unplug a CPU is imminent and unavoidable > hardware failure. Thermal capping is not that (and yes ACPI-4.0 is a > broken piece of shit)."
Thanks! This is a good opener for the TSC session I suggested. :-) -- Christian Robottom Reis, Engineering VP Brazil (GMT-3) | [+55] 16 9112 6430 | [+1] 612 216 4935 Linaro.org: Open Source Software for ARM SoCs _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
