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/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
#ifndef _TOOLS_LINUX_RING_BUFFER_H_
#define _TOOLS_LINUX_RING_BUFFER_H_
#include <linux/compiler.h>
static inline __u64 ring_buffer_read_head(struct perf_event_mmap_page *base)
{
return smp_load_acquire(&base->data_head);
}
static inline void ring_buffer_write_tail(struct perf_event_mmap_page *base,
__u64 tail)
{
smp_store_release(&base->data_tail, tail);
}
#endif /* _TOOLS_LINUX_RING_BUFFER_H_ */
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