Subversion Repositories HelenOS

(root)/trunk/kernel/arch/ia32/include/barrier.h @ 2071 – Rev 1787 → 1888



 * @{
 */
/** @file
 */
 
#ifndef KERN_ia32_BARRIER_H_
#define KERN_ia32_BARRIER_H_
 
/*
 * NOTE:
 * No barriers for critical section (i.e. spinlock) on IA-32 are needed:
 * - spinlock_lock() and spinlock_trylock() use serializing XCHG instruction

 
#endif
 
/** @}
 */
 

Rev 1787	Rev 1888
Line 30...	Line 30...
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef __ia32_BARRIER_H__	35	#ifndef KERN_ia32_BARRIER_H_
36	#define __ia32_BARRIER_H__	36	#define KERN_ia32_BARRIER_H_
37		37
38	/*	38	/*
39	* NOTE:	39	* NOTE:
40	* No barriers for critical section (i.e. spinlock) on IA-32 are needed:	40	* No barriers for critical section (i.e. spinlock) on IA-32 are needed:
41	* - spinlock_lock() and spinlock_trylock() use serializing XCHG instruction	41	* - spinlock_lock() and spinlock_trylock() use serializing XCHG instruction
Line 86...	Line 86...
86		86
87	#endif	87	#endif
88		88
89	/** @}	89	/** @}
90	*/	90	*/
91		-