CONFIG_IP_PNP_RARP=y
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE_DEMUX is not set
-# CONFIG_NET_IP_TUNNEL is not set
+CONFIG_NET_IP_TUNNEL=y
CONFIG_IP_MROUTE=y
# CONFIG_IP_MROUTE_MULTIPLE_TABLES is not set
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_SYN_COOKIES=y
-# CONFIG_NET_UDP_TUNNEL is not set
+CONFIG_NET_UDP_TUNNEL=y
# CONFIG_NET_FOU is not set
-# CONFIG_GENEVE is not set
+CONFIG_GENEVE=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_DCB is not set
CONFIG_DNS_RESOLVER=y
# CONFIG_BATMAN_ADV is not set
-# CONFIG_OPENVSWITCH is not set
+CONFIG_OPENVSWITCH=m
+CONFIG_OPENVSWITCH_VXLAN=m
+CONFIG_OPENVSWITCH_GENEVE=m
# CONFIG_VSOCKETS is not set
# CONFIG_NETLINK_MMAP is not set
# CONFIG_NETLINK_DIAG is not set
-# CONFIG_MPLS is not set
+CONFIG_MPLS=y
+CONFIG_NET_MPLS_GSO=m
+# CONFIG_MPLS_ROUTING is not set
# CONFIG_HSR is not set
# CONFIG_NET_SWITCHDEV is not set
CONFIG_RPS=y
# CONFIG_NET_TEAM is not set
# CONFIG_MACVLAN is not set
# CONFIG_IPVLAN is not set
-# CONFIG_VXLAN is not set
+CONFIG_VXLAN=y
CONFIG_NETCONSOLE=y
CONFIG_NETPOLL=y
CONFIG_NET_POLL_CONTROLLER=y
CONFIG_IGBVF=y
CONFIG_IXGB=y
CONFIG_IXGBE=y
+CONFIG_IXGBE_VXLAN=y
# CONFIG_IXGBE_HWMON is not set
-# CONFIG_IXGBEVF is not set
+CONFIG_IXGBEVF=y
CONFIG_I40E=y
+CONFIG_I40E_VXLAN=y
# CONFIG_I40EVF is not set
# CONFIG_FM10K is not set
CONFIG_NET_VENDOR_I825XX=y
pci_write_msi_msg(irq, &msg);
}
- ret = request_irq(irq, vfio_msihandler, 0,
+ ret = request_irq(irq, vfio_msihandler, IRQF_NO_THREAD,
vdev->ctx[vector].name, trigger);
if (ret) {
kfree(vdev->ctx[vector].name);
if (hrtimer_callback_running(timer))
return 0;
+ if (base->cpu_base != cpu_base)
+ return 0;
+
+ if (cpu_base->in_hrtirq)
+ return 0;
+
/*
* CLOCK_REALTIME timer might be requested with an absolute
* expiry time which is less than base->offset. Nothing wrong
if (cpu_base->hang_detected)
return 0;
+ cpu_base->expires_next = expires;
/*
* Clockevents returns -ETIME, when the event was in the past.
*/
- res = tick_program_event(expires, 0);
- if (!IS_ERR_VALUE(res))
- cpu_base->expires_next = expires;
+ res = tick_program_event(expires, 1);
return res;
}
}
EXPORT_SYMBOL_GPL(get_cpu_iowait_time_us);
+static void tick_nohz_restart(struct tick_sched *ts, ktime_t now)
+{
+ hrtimer_cancel(&ts->sched_timer);
+ hrtimer_set_expires(&ts->sched_timer, ts->last_tick);
+
+ /* Forward the time to expire in the future */
+ hrtimer_forward(&ts->sched_timer, now, tick_period);
+
+ if (ts->nohz_mode == NOHZ_MODE_HIGHRES)
+ hrtimer_start_expires(&ts->sched_timer, HRTIMER_MODE_ABS_PINNED);
+ else
+ tick_program_event(hrtimer_get_expires(&ts->sched_timer), 1);
+}
+
static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts,
ktime_t now, int cpu)
{
goto out;
}
- if (ts->nohz_mode == NOHZ_MODE_HIGHRES) {
- hrtimer_start(&ts->sched_timer, expires,
- HRTIMER_MODE_ABS_PINNED);
- /* Check, if the timer was already in the past */
- if (hrtimer_active(&ts->sched_timer))
- goto out;
- } else if (!tick_program_event(expires, 0))
- goto out;
- /*
- * We are past the event already. So we crossed a
- * jiffie boundary. Update jiffies and raise the
- * softirq.
- */
- tick_do_update_jiffies64(ktime_get());
+ if (ts->nohz_mode == NOHZ_MODE_HIGHRES)
+ hrtimer_start(&ts->sched_timer, expires,
+ HRTIMER_MODE_ABS_PINNED);
+ else
+ tick_program_event(expires, 1);
+ } else {
+ /* Tick is stopped, but required now. Enforce it */
+ tick_nohz_restart(ts, now);
+
}
- raise_softirq_irqoff(TIMER_SOFTIRQ);
out:
ts->next_jiffies = next_jiffies;
ts->last_jiffies = last_jiffies;
return ts->sleep_length;
}
-static void tick_nohz_restart(struct tick_sched *ts, ktime_t now)
-{
- hrtimer_cancel(&ts->sched_timer);
- hrtimer_set_expires(&ts->sched_timer, ts->last_tick);
-
- while (1) {
- /* Forward the time to expire in the future */
- hrtimer_forward(&ts->sched_timer, now, tick_period);
-
- if (ts->nohz_mode == NOHZ_MODE_HIGHRES) {
- hrtimer_start_expires(&ts->sched_timer,
- HRTIMER_MODE_ABS_PINNED);
- /* Check, if the timer was already in the past */
- if (hrtimer_active(&ts->sched_timer))
- break;
- } else {
- if (!tick_program_event(
- hrtimer_get_expires(&ts->sched_timer), 0))
- break;
- }
- /* Reread time and update jiffies */
- now = ktime_get();
- tick_do_update_jiffies64(now);
- }
-}
-
static void tick_nohz_restart_sched_tick(struct tick_sched *ts, ktime_t now)
{
/* Update jiffies first */
#include "qemu/host-utils.h"
#include "sysemu/sysemu.h"
#include "sysemu/kvm.h"
-#include "sysemu/cpus.h"
+#include "kvm_i386.h"
#include "hw/sysbus.h"
#include "hw/kvm/clock.h"
return;
}
- cpu_synchronize_all_states();
- /* In theory, the cpu_synchronize_all_states() call above wouldn't
- * affect the rest of the code, as the VCPU state inside CPUState
- * is supposed to always match the VCPU state on the kernel side.
- *
- * In practice, calling cpu_synchronize_state() too soon will load the
- * kernel-side APIC state into X86CPU.apic_state too early, APIC state
- * won't be reloaded later because CPUState.vcpu_dirty==true, and
- * outdated APIC state may be migrated to another host.
- *
- * The real fix would be to make sure outdated APIC state is read
- * from the kernel again when necessary. While this is not fixed, we
- * need the cpu_clean_all_dirty() call below.
- */
- cpu_clean_all_dirty();
+ kvm_synchronize_all_tsc();
ret = kvm_vm_ioctl(kvm_state, KVM_GET_CLOCK, &data);
if (ret < 0) {
qemu_savevm_state_complete(f);
ret = qemu_file_get_error(f);
}
+ qemu_savevm_state_cancel();
if (ret != 0) {
- qemu_savevm_state_cancel();
error_setg_errno(errp, -ret, "Error while writing VM state");
}
return ret;
return !kvm_irqchip_in_kernel() || kvm_has_gsi_routing();
}
+static int kvm_get_tsc(CPUState *cs)
+{
+ X86CPU *cpu = X86_CPU(cs);
+ CPUX86State *env = &cpu->env;
+ struct {
+ struct kvm_msrs info;
+ struct kvm_msr_entry entries[1];
+ } msr_data;
+ int ret;
+
+ if (env->tsc_valid) {
+ return 0;
+ }
+
+ msr_data.info.nmsrs = 1;
+ msr_data.entries[0].index = MSR_IA32_TSC;
+ env->tsc_valid = !runstate_is_running();
+
+ ret = kvm_vcpu_ioctl(CPU(cpu), KVM_GET_MSRS, &msr_data);
+ if (ret < 0) {
+ return ret;
+ }
+
+ env->tsc = msr_data.entries[0].data;
+ return 0;
+}
+
+static inline void do_kvm_synchronize_tsc(void *arg)
+{
+ CPUState *cpu = arg;
+
+ kvm_get_tsc(cpu);
+}
+
+void kvm_synchronize_all_tsc(void)
+{
+ CPUState *cpu;
+
+ if (kvm_enabled()) {
+ CPU_FOREACH(cpu) {
+ run_on_cpu(cpu, do_kvm_synchronize_tsc, cpu);
+ }
+ }
+}
+
static struct kvm_cpuid2 *try_get_cpuid(KVMState *s, int max)
{
struct kvm_cpuid2 *cpuid;
bool kvm_allows_irq0_override(void);
bool kvm_has_smm(void);
+void kvm_synchronize_all_tsc(void);
void kvm_arch_reset_vcpu(X86CPU *cs);
void kvm_arch_do_init_vcpu(X86CPU *cs);
Code Review / kvmfornfv.git / commitdiff