linux-kernel - Re: [KDUMP] Ignore spurious IPI

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Date:	Fri, 25 Mar 2011 06:45:25 +0000 (UTC)
From:	WANG Cong <xiyou.wangcong@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	kexec@...ts.infradead.org
Subject: Re: [KDUMP] Ignore spurious IPI

On Thu, 24 Mar 2011 08:20:32 -0600, Milton Miller wrote:
> If so, just initialize the data structure earlier -- change
> init_call_single_data from early_initcall to an explict call after the
> per-cpu areas are initialized.
> 

Yeah, this is a good idea, IPI related data structures should be
ready before interrupts are enabled. We should not assume that
there is no IPI pending before init_call_single_data gets initialized,
altough this is true in non-kdump kernel.

Thanks.

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