LXR linux/arch/x86/kernel/paravirt-spinlocks.c

   1/*
   2 * Split spinlock implementation out into its own file, so it can be
   3 * compiled in a FTRACE-compatible way.
   4 */
   5#include <linux/spinlock.h>
   6#include <linux/module.h>
   7#include <linux/jump_label.h>
   8
   9#include <asm/paravirt.h>
  10
  11struct pv_lock_ops pv_lock_ops = {
  12#ifdef CONFIG_SMP
  13        .lock_spinning = __PV_IS_CALLEE_SAVE(paravirt_nop),
  14        .unlock_kick = paravirt_nop,
  15#endif
  16};
  17EXPORT_SYMBOL(pv_lock_ops);
  18
  19struct static_key paravirt_ticketlocks_enabled = STATIC_KEY_INIT_FALSE;
  20EXPORT_SYMBOL(paravirt_ticketlocks_enabled);
  21