/usr/src/linux-headers-5.15.0-190/arch/riscv/include/asm
Edit: /usr/src/linux-headers-5.15.0-190/arch/riscv/include/asm/mmiowb.h (398B)
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_RISCV_MMIOWB_H
#define _ASM_RISCV_MMIOWB_H
/*
* "o,w" is sufficient to ensure that all writes to the device have completed
* before the write to the spinlock is allowed to commit.
*/
#define mmiowb() __asm__ __volatile__ ("fence o,w" : : : "memory");
#include
#include
#endif /* _ASM_RISCV_MMIOWB_H */