From: Andi Kleen <andi@firstfloor.org>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Huang Ying <ying.huang@intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: x86: Inconsistent xAPIC synchronization in arch_irq_work_raise?
Date: Thu, 23 Jan 2014 21:17:51 +0100 [thread overview]
Message-ID: <20140123201751.GC20765@two.firstfloor.org> (raw)
In-Reply-To: <52E172B3.7080605@siemens.com>
> > It has to be lockless, the machine checks run as NMIs.
> > The whole point of the self nmi is to get back to a lockable state.
>
> "It" is arch_irq_work_raise, or more?
Really irq_work_queue, but it boils down to arch_irq_work_raise
-Andi
prev parent reply other threads:[~2014-01-23 20:17 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-21 13:02 x86: Inconsistent xAPIC synchronization in arch_irq_work_raise? Jan Kiszka
2014-01-21 14:01 ` Peter Zijlstra
2014-01-21 14:10 ` Ingo Molnar
2014-01-21 14:11 ` Jan Kiszka
2014-01-21 14:34 ` Jan Kiszka
2014-01-21 14:51 ` Peter Zijlstra
2014-01-21 23:20 ` Huang Ying
2014-01-22 18:43 ` Andi Kleen
2014-01-23 18:51 ` Jan Kiszka
2014-01-23 19:11 ` Peter Zijlstra
2014-01-23 19:22 ` Andi Kleen
2014-01-23 19:51 ` Jan Kiszka
2014-01-23 20:17 ` Andi Kleen [this message]
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