diff options
Diffstat (limited to 'arch/mips/kernel/entry.S')
| -rw-r--r-- | arch/mips/kernel/entry.S | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S index 371571f4f280..b1939a486d2c 100644 --- a/arch/mips/kernel/entry.S +++ b/arch/mips/kernel/entry.S @@ -119,3 +119,18 @@ syscall_exit_work: li a1, 1 jal do_syscall_trace b resume_userspace + +#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_MIPS_MT) + +/* + * MIPS32R2 Instruction Hazard Barrier - must be called + * + * For C code use the inline version named instruction_hazard(). + */ +LEAF(mips_ihb) + .set mips32r2 + jr.hb ra + nop + END(mips_ihb) + +#endif /* CONFIG_CPU_MIPSR2 or CONFIG_MIPS_MT */ |