diff options
| -rw-r--r-- | arch/powerpc/platforms/pseries/ras.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c index d20aecc52ece..f3736fcd98fc 100644 --- a/arch/powerpc/platforms/pseries/ras.c +++ b/arch/powerpc/platforms/pseries/ras.c @@ -468,7 +468,15 @@ static struct rtas_error_log *fwnmi_get_errinfo(struct pt_regs *regs) */ static void fwnmi_release_errinfo(void) { - int ret = rtas_call(ibm_nmi_interlock_token, 0, 1, NULL); + struct rtas_args rtas_args; + int ret; + + /* + * On pseries, the machine check stack is limited to under 4GB, so + * args can be on-stack. + */ + rtas_call_unlocked(&rtas_args, ibm_nmi_interlock_token, 0, 1, NULL); + ret = be32_to_cpu(rtas_args.rets[0]); if (ret != 0) printk(KERN_ERR "FWNMI: nmi-interlock failed: %d\n", ret); } |