Messages in this thread Patch in this message | | | From | Igor Mammedov <> | Subject | [PATCH v2 3/5] x86: log error on secondary CPU wakeup failure at ERR level | Date | Mon, 31 Mar 2014 22:09:23 +0200 |
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If system is running without debug level logging, it will not log error if do_boot_cpu() failed to wakeup AP. It may lead to silent AP bringup failures at boot time. Change message level to KERN_ERR to make error visible to user as it's done on other architectures.
Signed-off-by: Igor Mammedov <imammedo@redhat.com> --- arch/x86/kernel/smpboot.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 803f658..e540b44 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -858,7 +858,7 @@ int native_cpu_up(unsigned int cpu, struct task_struct *tidle) err = do_boot_cpu(apicid, cpu, tidle); if (err) { - pr_debug("do_boot_cpu failed %d\n", err); + pr_err("do_boot_cpu failed(%d) to wakeup CPU#%u\n", err, cpu); return -EIO; } -- 1.7.1
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