int (*set_wallclock)(unsigned long);
unsigned long long (*sched_clock)(void);
- unsigned long (*get_cpu_khz)(void);
+ unsigned long (*get_tsc_khz)(void);
};
struct pv_cpu_ops {
void (*set_ldt)(const void *desc, unsigned entries);
unsigned long (*store_tr)(void);
void (*load_tls)(struct thread_struct *t, unsigned int cpu);
+#ifdef CONFIG_X86_64
+ void (*load_gs_index)(unsigned int idx);
+#endif
void (*write_ldt_entry)(struct desc_struct *ldt, int entrynum,
const void *desc);
void (*write_gdt_entry)(struct desc_struct *,
void (*irq_enable)(void);
void (*safe_halt)(void);
void (*halt)(void);
+
+#ifdef CONFIG_X86_64
+ void (*adjust_exception_frame)(void);
+#endif
};
struct pv_apic_ops {
{
return PVOP_CALL0(unsigned long long, pv_time_ops.sched_clock);
}
-#define calculate_cpu_khz() (pv_time_ops.get_cpu_khz())
+#define calibrate_tsc() (pv_time_ops.get_tsc_khz())
static inline unsigned long long paravirt_read_pmc(int counter)
{
PVOP_VCALL2(pv_cpu_ops.load_tls, t, cpu);
}
+#ifdef CONFIG_X86_64
+static inline void load_gs_index(unsigned int gs)
+{
+ PVOP_VCALL1(pv_cpu_ops.load_gs_index, gs);
+}
+#endif
+
static inline void write_ldt_entry(struct desc_struct *dt, int entry,
const void *desc)
{
movq %rax, %rcx; \
xorq %rax, %rax;
+#define PARAVIRT_ADJUST_EXCEPTION_FRAME \
+ PARA_SITE(PARA_PATCH(pv_irq_ops, PV_IRQ_adjust_exception_frame), \
+ CLBR_NONE, \
+ call PARA_INDIRECT(pv_irq_ops+PV_IRQ_adjust_exception_frame))
+
#define USERGS_SYSRET64 \
PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_usergs_sysret64), \
CLBR_NONE, \