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Nama	Ukuran	Aksi
amd-ibs.h	4.9 MB	View DL Edit
asm.h	4.88 MB	View DL Edit
atomic.h	1.77 MB	View DL Edit
barrier.h	1.32 MB	View DL Edit
cmpxchg.h	2.56 MB	View DL Edit
cpufeatures.h	32.16 MB	View DL Edit
disabled-features.h	3.92 MB	View DL Edit
emulate_prefix.h	484 B	View DL Edit
inat.h	5.95 MB	View DL Edit
inat_types.h	341 B	View DL Edit
insn.h	7.68 MB	View DL Edit
irq_vectors.h	4.2 MB	View DL Edit
msr-index.h	41.98 MB	View DL Edit
nops.h	1.86 MB	View DL Edit
orc_types.h	1.98 MB	View DL Edit
pvclock-abi.h	1.49 MB	View DL Edit
pvclock.h	2.48 MB	View DL Edit
required-features.h	2.89 MB	View DL Edit
rmwcc.h	1.1 MB	View DL Edit

Edit file: /usr/src/kernels/5.14.0-427.31.1.el9_4.x86_64/tools/arch/x86/include/asm/barrier.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _TOOLS_LINUX_ASM_X86_BARRIER_H
#define _TOOLS_LINUX_ASM_X86_BARRIER_H

/*
 * Copied from the Linux kernel sources, and also moving code
 * out from tools/perf/perf-sys.h so as to make it be located
 * in a place similar as in the kernel sources.
 *
 * Force strict CPU ordering.
 * And yes, this is required on UP too when we're talking
 * to devices.
 */

#if defined(__i386__)
/*
 * Some non-Intel clones support out of order store. wmb() ceases to be a
 * nop for these.
 */
#define mb()	asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
#define rmb()	asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
#define wmb()	asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
#elif defined(__x86_64__)
#define mb()	asm volatile("mfence" ::: "memory")
#define rmb()	asm volatile("lfence" ::: "memory")
#define wmb()	asm volatile("sfence" ::: "memory")
#define smp_rmb() barrier()
#define smp_wmb() barrier()
#define smp_mb()  asm volatile("lock; addl $0,-132(%%rsp)" ::: "memory", "cc")
#endif

#if defined(__x86_64__)
#define smp_store_release(p, v)			\
do {						\
	barrier();				\
	WRITE_ONCE(*p, v);			\
} while (0)

#define smp_load_acquire(p)			\
({						\
	typeof(*p) ___p1 = READ_ONCE(*p);	\
	barrier();				\
	___p1;					\
})
#endif /* defined(__x86_64__) */
#endif /* _TOOLS_LINUX_ASM_X86_BARRIER_H */

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