Messages in this thread | | | Subject | Re: [PATCH v4 4/5] x86: log error on secondary CPU wakeup failure at ERR level | From | Toshi Kani <> | Date | Wed, 30 Apr 2014 15:30:12 -0600 |
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On Mon, 2014-04-14 at 17:11 +0200, Igor Mammedov wrote: > 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 2988f69..ae2fd97 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; > } >
Looks good.
Acked-by: Toshi Kani <toshi.kani@hp.com>
I will review patch 5/5 later (probably tomorrow). Thanks, -Toshi
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