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@xxxxxxxxxx>
> ---
> 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@xxxxxx>
I will review patch 5/5 later (probably tomorrow).
Thanks,
-Toshi
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