Re: [Qemu-devel] [PATCH 2/2] target-i386: Disable kvm_mmu_op by default on pc-1.4

2013-01-04 Thread Eduardo Habkost
On Fri, Jan 04, 2013 at 08:48:42PM +, Blue Swirl wrote: [...] > > +/* machine init function for pc-0.14 - pc-1.2 */ > > static void pc_init_pci(QEMUMachineInitArgs *args) > > { > > ram_addr_t ram_size = args->ram_size; > > @@ -232,12 +233,20 @@ static void pc_init_pci(QEMUMachineInitArgs

Re: [Qemu-devel] [PATCH 2/2] target-i386: Disable kvm_mmu_op by default on pc-1.4

2013-01-04 Thread Blue Swirl
On Fri, Jan 4, 2013 at 2:52 PM, Eduardo Habkost wrote: > The kvm_mmu_op feature was removed from the kernel since v3.3 (released > in March 2012), it was marked for removal since January 2011 and it's > slower than shadow or hardware assisted paging (see kernel commit > fb92045843). It doesn't mak

[Qemu-devel] [PATCH 2/2] target-i386: Disable kvm_mmu_op by default on pc-1.4

2013-01-04 Thread Eduardo Habkost
The kvm_mmu_op feature was removed from the kernel since v3.3 (released in March 2012), it was marked for removal since January 2011 and it's slower than shadow or hardware assisted paging (see kernel commit fb92045843). It doesn't make sense to keep it enabled by default. Also, keeping it enabled