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From: Oren Twaig <oren@scalemp.com>
To: Andi Kleen <ak@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	Shai Fultheim <shai@scalemp.com>
Subject: Re: [PATCH v2] X86: Hook apic vector allocation domain only when interrupt routing are set to ignore
Date: Mon, 28 Apr 2014 10:06:39 +0300	[thread overview]
Message-ID: <535DFDFF.5070106@scalemp.com> (raw)
In-Reply-To: <20140427183401.GB19657@tassilo.jf.intel.com>

Hi Andi,
On 04/27/2014 09:34 PM, Andi Kleen wrote:
> Again, what lock protects it?
>
> If you cannot answer that question you likely shouldn't use static.

The only function which touches this variable is vsmp_init() which is an
"_init" function which is guarantee to run by a single cpu - this means, no race.

Thanks,
  Oren
>
> -Andi



      reply	other threads:[~2014-04-28  7:07 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-24 21:52 [PATCH v2] X86: Hook apic vector allocation domain only when interrupt routing are set to ignore Oren Twaig
2014-04-25  8:01 ` Ingo Molnar
2014-04-25 11:08   ` Oren Twaig
2014-04-26  6:09     ` Ingo Molnar
2014-04-27  6:55       ` Oren Twaig
2014-04-27 11:50         ` Ingo Molnar
2014-04-25 14:22 ` Andi Kleen
2014-04-27  6:57   ` Oren Twaig
2014-04-27 11:54     ` Ingo Molnar
2014-04-27 18:34     ` Andi Kleen
2014-04-28  7:06       ` Oren Twaig [this message]

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