diff options
Diffstat (limited to 'tools/include/linux/ring_buffer.h')
| -rw-r--r-- | tools/include/linux/ring_buffer.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/include/linux/ring_buffer.h b/tools/include/linux/ring_buffer.h index 9a083ae60473..a74c397359c7 100644 --- a/tools/include/linux/ring_buffer.h +++ b/tools/include/linux/ring_buffer.h @@ -2,6 +2,7 @@ #define _TOOLS_LINUX_RING_BUFFER_H_ #include <asm/barrier.h> +#include <linux/perf_event.h> /* * Contract with kernel for walking the perf ring buffer from @@ -54,7 +55,7 @@ static inline u64 ring_buffer_read_head(struct perf_event_mmap_page *base) * READ_ONCE() + smp_mb() pair. */ #if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__) || \ - defined(__ia64__) || defined(__sparc__) && defined(__arch64__) + defined(__ia64__) || defined(__sparc__) && defined(__arch64__) || defined(__riscv) return smp_load_acquire(&base->data_head); #else u64 head = READ_ONCE(base->data_head); |