From: Andi Kleen <andi@firstfloor.org>
To: Huang Ying <ying.huang@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Peter Zijlstra <peterz@infradead.org>,
Jan Kiszka <jan.kiszka@siemens.com>, 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: Wed, 22 Jan 2014 19:43:25 +0100 [thread overview]
Message-ID: <20140122184325.GY20765@two.firstfloor.org> (raw)
In-Reply-To: <1390346420.23634.5.camel@yhuang-dev>
> > Huang Ying, can you explain to Jan why you do the wait afterwards?
>
> I borrow the code from the original MCE report event code.
>
> Andi, could you help us to explain it?
I don't recall all the details, but I believe i also just copied
it from the APIC code. I don't think I did any particular ordering
intentionally.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2014-01-22 18:43 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 [this message]
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
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