diff options
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/pseries/xics.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 62b0400577de..e1904774a70f 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -498,26 +498,23 @@ static irqreturn_t xics_ipi_dispatch(int cpu) { WARN_ON(cpu_is_offline(cpu)); + mb(); /* order mmio clearing qirr */ while (xics_ipi_message[cpu].value) { if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION, &xics_ipi_message[cpu].value)) { - mb(); smp_message_recv(PPC_MSG_CALL_FUNCTION); } if (test_and_clear_bit(PPC_MSG_RESCHEDULE, &xics_ipi_message[cpu].value)) { - mb(); smp_message_recv(PPC_MSG_RESCHEDULE); } if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE, &xics_ipi_message[cpu].value)) { - mb(); smp_message_recv(PPC_MSG_CALL_FUNC_SINGLE); } #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK, &xics_ipi_message[cpu].value)) { - mb(); smp_message_recv(PPC_MSG_DEBUGGER_BREAK); } #endif |