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Diffstat (limited to 'arch/x86/kernel/cpu/vmware.c')
-rw-r--r--arch/x86/kernel/cpu/vmware.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c
index cc604614f0ae..e885f73bebd4 100644
--- a/arch/x86/kernel/cpu/vmware.c
+++ b/arch/x86/kernel/cpu/vmware.c
@@ -125,6 +125,7 @@ static struct cyc2ns_data vmware_cyc2ns __ro_after_init;
static int vmw_sched_clock __initdata = 1;
static DEFINE_PER_CPU_DECRYPTED(struct vmware_steal_time, vmw_steal_time) __aligned(64);
static bool has_steal_clock;
+static bool steal_acc __initdata = true; /* steal time accounting */
static __init int setup_vmw_sched_clock(char *s)
{
@@ -133,6 +134,13 @@ static __init int setup_vmw_sched_clock(char *s)
}
early_param("no-vmw-sched-clock", setup_vmw_sched_clock);
+static __init int parse_no_stealacc(char *arg)
+{
+ steal_acc = false;
+ return 0;
+}
+early_param("no-steal-acc", parse_no_stealacc);
+
static unsigned long long notrace vmware_sched_clock(void)
{
unsigned long long ns;
@@ -306,8 +314,11 @@ static int vmware_cpu_down_prepare(unsigned int cpu)
static __init int activate_jump_labels(void)
{
- if (has_steal_clock)
+ if (has_steal_clock) {
static_key_slow_inc(&paravirt_steal_enabled);
+ if (steal_acc)
+ static_key_slow_inc(&paravirt_steal_rq_enabled);
+ }
return 0;
}