linux-kernel - Re: [PATCH] x86: fix wakeup

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Message-ID: <4921B55F.9030300@kernel.org>
Date:	Mon, 17 Nov 2008 10:18:07 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: fix wakeup_cpu with numaq/es7000 v2

Ingo Molnar wrote:
> * Ingo Molnar <mingo@...e.hu> wrote:
> 
>> Config attached. [...]
> 
> attached now for real.
> 
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.28-rc5
# Mon Nov 17 18:10:54 2008
#
CONFIG_64BIT=y
# CONFIG_X86_32 is not set
CONFIG_X86_64=y
CONFIG_X86=y

it is 64bit, so something wrong with

+static int __devinit
+wakeup_secondary_cpu(int apicid, unsigned long start_eip)
+{
+	if (x86_quirks->wakeup_secondary_cpu)
+		return x86_quirks->wakeup_secondary_cpu(apicid, start_eip);
+
+	return wakeup_secondary_cpu_via_init(apicid, start_eip);
+}

x86_quirks->wakeup_secondary_cpu get assigned when es7000 with CLUSTERED (_MIP) or numaq  with _nmi

it's werid.

timing issue?

YH
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