diff options
Diffstat (limited to 'arch/xtensa/kernel/entry.S')
| -rw-r--r-- | arch/xtensa/kernel/entry.S | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index f2c789a5a92a..3255d4f61844 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -2071,8 +2071,16 @@ ENTRY(_switch_to) #if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS) l32i a3, a5, THREAD_CPENABLE - xsr a3, cpenable - s32i a3, a4, THREAD_CPENABLE +#ifdef CONFIG_SMP + beqz a3, 1f + memw # pairs with memw (2) in fast_coprocessor + l32i a6, a5, THREAD_CP_OWNER_CPU + l32i a7, a5, THREAD_CPU + beq a6, a7, 1f # load 0 into CPENABLE if current CPU is not the owner + movi a3, 0 +1: +#endif + wsr a3, cpenable #endif #if XCHAL_HAVE_EXCLUSIVE |