return x;
}
-static void __init default_banner(void)
+void __init default_banner(void)
{
printk(KERN_INFO "Booting paravirtualized kernel on %s\n",
pv_info.name);
}
-char *memory_setup(void)
-{
- return pv_init_ops.memory_setup();
-}
-
/* Simple instruction patching code. */
#define DEF_NATIVE(ops, name, code) \
extern const char start_##ops##_##name[], end_##ops##_##name[]; \
.pv_irq_ops = pv_irq_ops,
.pv_apic_ops = pv_apic_ops,
.pv_mmu_ops = pv_mmu_ops,
+#ifdef CONFIG_PARAVIRT_SPINLOCKS
.pv_lock_ops = pv_lock_ops,
+#endif
};
return *((void **)&tmpl + type);
}
return insn_len;
}
-void init_IRQ(void)
-{
- pv_irq_ops.init_IRQ();
-}
-
static void native_flush_tlb(void)
{
__native_flush_tlb();
extern void native_usergs_sysret32(void);
extern void native_usergs_sysret64(void);
-static int __init print_banner(void)
-{
- pv_init_ops.banner();
- return 0;
-}
-core_initcall(print_banner);
-
static struct resource reserve_ioports = {
.start = 0,
.end = IO_SPACE_LIMIT,
static inline void enter_lazy(enum paravirt_lazy_mode mode)
{
- BUG_ON(__get_cpu_var(paravirt_lazy_mode) != PARAVIRT_LAZY_NONE);
- BUG_ON(preemptible());
+ BUG_ON(percpu_read(paravirt_lazy_mode) != PARAVIRT_LAZY_NONE);
- __get_cpu_var(paravirt_lazy_mode) = mode;
+ percpu_write(paravirt_lazy_mode, mode);
}
static void leave_lazy(enum paravirt_lazy_mode mode)
{
- BUG_ON(__get_cpu_var(paravirt_lazy_mode) != mode);
- BUG_ON(preemptible());
+ BUG_ON(percpu_read(paravirt_lazy_mode) != mode);
- __get_cpu_var(paravirt_lazy_mode) = PARAVIRT_LAZY_NONE;
+ percpu_write(paravirt_lazy_mode, PARAVIRT_LAZY_NONE);
}
void paravirt_enter_lazy_mmu(void)
leave_lazy(PARAVIRT_LAZY_MMU);
}
-void paravirt_enter_lazy_cpu(void)
+void paravirt_start_context_switch(struct task_struct *prev)
{
+ BUG_ON(preemptible());
+
if (percpu_read(paravirt_lazy_mode) == PARAVIRT_LAZY_MMU) {
arch_leave_lazy_mmu_mode();
- set_thread_flag(TIF_LAZY_MMU_UPDATES);
+ set_ti_thread_flag(task_thread_info(prev), TIF_LAZY_MMU_UPDATES);
}
enter_lazy(PARAVIRT_LAZY_CPU);
}
-void paravirt_leave_lazy_cpu(void)
+void paravirt_end_context_switch(struct task_struct *next)
{
+ BUG_ON(preemptible());
+
leave_lazy(PARAVIRT_LAZY_CPU);
- if (test_and_clear_thread_flag(TIF_LAZY_MMU_UPDATES))
+ if (test_and_clear_ti_thread_flag(task_thread_info(next), TIF_LAZY_MMU_UPDATES))
arch_enter_lazy_mmu_mode();
}
if (in_interrupt())
return PARAVIRT_LAZY_NONE;
- return __get_cpu_var(paravirt_lazy_mode);
+ return percpu_read(paravirt_lazy_mode);
}
void arch_flush_lazy_mmu_mode(void)
preempt_disable();
if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_MMU) {
- WARN_ON(preempt_count() == 1);
arch_leave_lazy_mmu_mode();
arch_enter_lazy_mmu_mode();
}
struct pv_init_ops pv_init_ops = {
.patch = native_patch,
- .banner = default_banner,
- .arch_setup = paravirt_nop,
- .memory_setup = machine_specific_memory_setup,
};
struct pv_time_ops pv_time_ops = {
};
struct pv_irq_ops pv_irq_ops = {
- .init_IRQ = native_init_IRQ,
.save_fl = __PV_IS_CALLEE_SAVE(native_save_fl),
.restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl),
.irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable),
.set_iopl_mask = native_set_iopl_mask,
.io_delay = native_io_delay,
- .lazy_mode = {
- .enter = paravirt_nop,
- .leave = paravirt_nop,
- },
+ .start_context_switch = paravirt_nop,
+ .end_context_switch = paravirt_nop,
};
struct pv_apic_ops pv_apic_ops = {
#if PAGETABLE_LEVELS >= 3
#ifdef CONFIG_X86_PAE
.set_pte_atomic = native_set_pte_atomic,
- .set_pte_present = native_set_pte_present,
.pte_clear = native_pte_clear,
.pmd_clear = native_pmd_clear,
#endif