search for: acpi_processor_ffh_cstate_enter

Displaying 2 results from an estimated 2 matches for "acpi_processor_ffh_cstate_enter".

2010 Mar 09
4
"monitor"-ed address and IPI reduction
What is the point of specifying "current" as the address to monitor? The memory location of interest really is irq_stat[cpu].__softirq_pending, and if that was used it would then also be possible to actually avoid sending IPIs when monitor/mwait are in use, as is being done on Linux. Jan _______________________________________________ Xen-devel mailing list
2011 Nov 30
36
[RFC PATCH] Exporting ACPI Pxx/Cxx states to other kernel subsystems (v1).
Hello, The following patches are a solution to a problem we have encountered when using the Xen hypervisor: - Need Pxx/Cxx states to save on power consumption when using Xen (we do want those datacenters to consume less power!), - Also need to figure out the Turbo mode so that the scheduler can properly boost a core for CPU bound guests. In essence the Xen hypervisor requires that