From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dou Liyang <douly.fnst@cn.fujitsu.com>
Subject: Re: [locking/paravirt] static_key_disable_cpuslocked(): static key
	'virt_spin_lock_key+0x0/0x20' used before call to jump_label_init()
Date: Mon, 30 Oct 2017 16:43:33 +0800
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To: Fengguang Wu <fengguang.wu@intel.com>, Juergen Gross <jgross@suse.com>
Cc: boris.ostrovsky@oracle.com, jeremy@goop.org, xen-devel@lists.xenproject.org, Peter Zijlstra <peterz@infradead.org>, rusty@rustcorp.com.au, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, virtualization@lists.linux-foundation.org, chrisw@sous-sol.org, hpa@zytor.com, Waiman Long <longman@redhat.com>, Thomas Gleixner <tglx@linutronix.de>, Linus Torvalds <torvalds@linux-foundation.org>, akataria@vmware.com
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Hi Fengguang,

There are two different warning.

At 10/30/2017 03:35 PM, Fengguang Wu wrote:
> On Sun, Oct 29, 2017 at 11:51:55PM +0100, Fengguang Wu wrote:
>> Hi Linus,
>>
>> Up to now we see the below boot error/warnings when testing v4.14-rc6.
>>

The original warning:

WARNING:at_arch/x86/events/intel/core.c:#intel_pmu_handle_irq: 1

in v4.14-rc6, which happens rarely.

>> They hit the RC release mainly due to various imperfections in 0day's
>> auto bisection. So I manually list them here and CC the likely easy to
>> debug ones to the corresponding maintainers in the followup emails.
>>
>> boot_successes: 4700
>> boot_failures: 247
>
> [...]
>
>> WARNING:at_kernel/jump_label.c:#static_key_disable_cpuslocked: 7
>

This is a new warning in tip tree, and the patch has sent[1].

[1]https://lkml.org/lkml/2017/10/28/4

we may need do it in v4.14-rc6, not in tip tree directly.

Thanks,
	dou.