mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 21:54:06 +08:00
21b4aa5d20
This adds two test programs in tools/io_uring/ that demonstrate both the raw io_uring API (and all features) through a small benchmark app, io_uring-bench, and the liburing exposed API in a simplified cp(1) implementation through io_uring-cp. Signed-off-by: Jens Axboe <axboe@kernel.dk>
17 lines
441 B
C
17 lines
441 B
C
#ifndef LIBURING_BARRIER_H
|
|
#define LIBURING_BARRIER_H
|
|
|
|
#if defined(__x86_64) || defined(__i386__)
|
|
#define read_barrier() __asm__ __volatile__("":::"memory")
|
|
#define write_barrier() __asm__ __volatile__("":::"memory")
|
|
#else
|
|
/*
|
|
* Add arch appropriate definitions. Be safe and use full barriers for
|
|
* archs we don't have support for.
|
|
*/
|
|
#define read_barrier() __sync_synchronize()
|
|
#define write_barrier() __sync_synchronize()
|
|
#endif
|
|
|
|
#endif
|