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| author |   Igor Mammedov <imammedo@redhat.com> | 2014-06-05 15:42:44 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2014-06-05 16:33:07 +0200 |
| commit | feef1e8ecbadf24f8e6829c935df8683cabae41b (patch) | |
| tree | f5e3af581cb39b6bc953b7397a2554d391eef774 /arch | |
| parent | x86: Fix list/memory corruption on CPU hotplug (diff) | |
| download | linux-dev-feef1e8ecbadf24f8e6829c935df8683cabae41b.tar.xz linux-dev-feef1e8ecbadf24f8e6829c935df8683cabae41b.zip | |
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 <imammedo@redhat.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1401975765-22328-3-git-send-email-imammedo@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | 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 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; } |