diff options
Diffstat (limited to 'arch/csky/kernel/atomic.S')
| -rw-r--r-- | arch/csky/kernel/atomic.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/csky/kernel/atomic.S b/arch/csky/kernel/atomic.S index 3821ef9b7567..f03db1d8d060 100644 --- a/arch/csky/kernel/atomic.S +++ b/arch/csky/kernel/atomic.S @@ -14,6 +14,10 @@ */ ENTRY(csky_cmpxchg) USPTOKSP + + RD_MEH a3 + WR_MEH a3 + mfcr a3, epc addi a3, TRAP0_SIZE |