[linux-2.6-block.git] / arch / x86 / kernel / paravirt-spinlocks.c

/*
 * Split spinlock implementation out into its own file, so it can be
 * compiled in a FTRACE-compatible way.
 */
#include <linux/spinlock.h>
#include <linux/module.h>
#include <linux/jump_label.h>

#include <asm/paravirt.h>

struct pv_lock_ops pv_lock_ops = {
#ifdef CONFIG_SMP
	.lock_spinning = __PV_IS_CALLEE_SAVE(paravirt_nop),
	.unlock_kick = paravirt_nop,
#endif
};
EXPORT_SYMBOL(pv_lock_ops);

struct static_key paravirt_ticketlocks_enabled = STATIC_KEY_INIT_FALSE;
EXPORT_SYMBOL(paravirt_ticketlocks_enabled);
Commit	Line	Data
d5de8841 JF	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>
96f853ea	7	#include <linux/jump_label.h>
d5de8841 JF	8
	9	#include <asm/paravirt.h>
	10
	11	struct pv_lock_ops pv_lock_ops = {
	12	#ifdef CONFIG_SMP
354714dd	13	.lock_spinning = __PV_IS_CALLEE_SAVE(paravirt_nop),
545ac138	14	.unlock_kick = paravirt_nop,
d5de8841 JF	15	#endif
d5de8841 JF	16	};
25258ef7	17	EXPORT_SYMBOL(pv_lock_ops);
d5de8841	18
96f853ea JF	19	struct static_key paravirt_ticketlocks_enabled = STATIC_KEY_INIT_FALSE;
96f853ea JF	20	EXPORT_SYMBOL(paravirt_ticketlocks_enabled);