[PATCH v3 10/19] hw/i386/x86: Remove X86MachineClass::save_tsc_khz field

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

The X86MachineClass::save_tsc_khz boolean was only used
by the pc-q35-2.5 and pc-i440fx-2.5 machines, which got
removed. Remove it and simplify tsc_khz_needed().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
---
 include/hw/i386/x86.h | 5 -----
 hw/i386/x86.c         | 1 -
 target/i386/machine.c | 5 ++---
 3 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h
index 258b1343a16..fc460b82f82 100644
--- a/include/hw/i386/x86.h
+++ b/include/hw/i386/x86.h
@@ -27,13 +27,8 @@
 #include "qom/object.h"
 
 struct X86MachineClass {
-    /*< private >*/
     MachineClass parent;
 
-    /*< public >*/
-
-    /* TSC rate migration: */
-    bool save_tsc_khz;
     /* use DMA capable linuxboot option rom */
     bool fwcfg_dma_enabled;
     /* CPU and apic information: */
diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index e2d04092992..f80533df1c5 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -382,7 +382,6 @@ static void x86_machine_class_init(ObjectClass *oc, const void *data)
     mc->get_default_cpu_node_id = x86_get_default_cpu_node_id;
     mc->possible_cpu_arch_ids = x86_possible_cpu_arch_ids;
     mc->kvm_type = x86_kvm_type;
-    x86mc->save_tsc_khz = true;
     x86mc->fwcfg_dma_enabled = true;
     nc->nmi_monitor_handler = x86_nmi;
 
diff --git a/target/i386/machine.c b/target/i386/machine.c
index 6cb561c6322..dd2dac1d443 100644
--- a/target/i386/machine.c
+++ b/target/i386/machine.c
@@ -1060,9 +1060,8 @@ static bool tsc_khz_needed(void *opaque)
 {
     X86CPU *cpu = opaque;
     CPUX86State *env = &cpu->env;
-    MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
-    X86MachineClass *x86mc = X86_MACHINE_CLASS(mc);
-    return env->tsc_khz && x86mc->save_tsc_khz;
+
+    return env->tsc_khz;
 }
 
 static const VMStateDescription vmstate_tsc_khz = {
-- 
2.47.1