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From: Ingo Molnar <mingo@kernel.org>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	linux-kernel@vger.kernel.org, Stoney Wang <song-bo.wang@hp.com>,
	stable@kernel.org
Subject: Re: [PATCH] x86, apic: Check fadt x2apic phys in x2apic_phys_probe()
Date: Tue, 5 Feb 2013 13:24:32 +0100	[thread overview]
Message-ID: <20130205122432.GE21455@gmail.com> (raw)
In-Reply-To: <1360009767-3633-1-git-send-email-yinghai@kernel.org>


* Yinghai Lu <yinghai@kernel.org> wrote:

> From: Stoney Wang <song-bo.wang@hp.com>
> 
> When HP ProLiant DL980 G7 Server boot without x2apic_phys, there will be
> intermittent lost interrupts and could result in a hang or data loss.

What does 'boot without x2apic_phys' mean?

Does it mean x2apic_phys=0 boot command line? Or, because 
x2apic_phys is off by default, does it simply mean that if it's 
booted with a default kernel, without any workaround specified 
on the boot command line?

Thanks,

	Ingo

  reply	other threads:[~2013-02-05 12:24 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-15  1:50 [PATCH] x86/apic: check FADT settings after enable x2apic Stoney Wang
2013-01-28  5:05 ` Wang, Song-Bo (Stoney)
2013-01-28  6:57   ` Yinghai Lu
2013-01-28 10:11     ` Ingo Molnar
2013-01-28 18:10       ` Yinghai Lu
2013-01-29  7:47         ` Ingo Molnar
2013-01-29  8:43           ` Wang, Song-Bo (Stoney)
2013-01-29  8:49             ` Ingo Molnar
2013-01-29 21:30               ` Yinghai Lu
2013-01-29 21:52               ` Yinghai Lu
2013-01-31 11:32                 ` Ingo Molnar
2013-01-31 15:56                   ` Yinghai Lu
2013-02-04  6:41                   ` Wang, Song-Bo (Stoney)
2013-02-04 11:03                     ` Ingo Molnar
2013-02-04 20:29                       ` [PATCH] x86, apic: Check fadt x2apic phys in x2apic_phys_probe() Yinghai Lu
2013-02-05 12:24                         ` Ingo Molnar [this message]
2013-02-05 16:53                           ` Yinghai Lu
2013-02-06 13:16                             ` Ingo Molnar
2013-02-06 17:10                               ` Yinghai Lu
2013-02-07 18:53                                 ` [PATCH v4] " Yinghai Lu
2013-02-11 12:37                                   ` [tip:x86/urgent] x86/apic: Work around boot failure on HP ProLiant DL980 G7 Server systems tip-bot for Stoney Wang
2013-02-18  8:52                                   ` [PATCH v4] x86, apic: Check fadt x2apic phys in x2apic_phys_probe() Lin-Bao Zhang
2013-02-18 17:13                                     ` Yinghai Lu

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