diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2012-10-18 00:15:48 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2012-10-29 17:59:06 +0200 |
| commit | dc59944bc9a5ad784572eea57610de60e4a2f4e5 (patch) | |
| tree | 9195b225864e937e61bd742646f0f24a7cb2fb84 /hw/pc_piix.c | |
| parent | 05c0621e64b425d9f89bef542f0b85e61dc57ff8 (diff) | |
qemu: enable PV EOI for qemu 1.3
Enable KVM PV EOI by default. You can still disable it with
-kvm_pv_eoi cpu flag. To avoid breaking cross-version migration,
enable only for qemu 1.3 (or in the future, newer) machine type.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pc_piix.c')
| -rw-r--r-- | hw/pc_piix.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/pc_piix.c b/hw/pc_piix.c index c7dd75b0c0..85529b2cea 100644 --- a/hw/pc_piix.c +++ b/hw/pc_piix.c @@ -43,6 +43,7 @@ #include "xen.h" #include "memory.h" #include "exec-memory.h" +#include "cpu.h" #ifdef CONFIG_XEN # include <xen/hvm/hvm_info_table.h> #endif @@ -302,6 +303,12 @@ static void pc_init_pci(QEMUMachineInitArgs *args) initrd_filename, cpu_model, 1, 1); } +static void pc_init_pci_1_3(QEMUMachineInitArgs *args) +{ + enable_kvm_pv_eoi(); + pc_init_pci(args); +} + static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args) { ram_addr_t ram_size = args->ram_size; @@ -349,7 +356,7 @@ static QEMUMachine pc_machine_v1_3 = { .name = "pc-1.3", .alias = "pc", .desc = "Standard PC", - .init = pc_init_pci, + .init = pc_init_pci_1_3, .max_cpus = 255, .is_default = 1, }; |