From: Igor Mammedov Date: Thu, 5 Jun 2014 13:42:44 +0000 (+0200) Subject: x86/smpboot: Log error on secondary CPU wakeup failure at ERR level X-Git-Tag: v3.15~4^2~3 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=feef1e8ecbadf24f8e6829c935df8683cabae41b;p=karo-tx-linux.git x86/smpboot: Log error on secondary CPU wakeup failure at ERR level 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 Acked-by: Toshi Kani Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/1401975765-22328-3-git-send-email-imammedo@redhat.com Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 2988f69f673e..ae2fd975b782 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -918,7 +918,7 @@ 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; }