Marcelo Tosatti wrote: > The PIIX4 ACPI controller prior to revision 0x3 contains a bug where > reading of the timer port is unreliable, so the kernel reads it three > times for consistency check. > > QEMU does not suffer from that problem :) > > The datasheet for PIIX4, PIIX4E, and PIIX4M is the same. I failed to > find any indication that the revision increase could affect anything > other than the PMTimer port read. > > This reduces idle guest CPU consumption from 14% to 8% on 4-way KVM > guest. > >
Applied (to kvm's qemu), thanks. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
