linux-kernel - Re: [PATCH -v2 1/2] x86-32: Fix crashes with CPU hotplug on AMD machines

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Message-ID: <4C6C294D.3030404@zytor.com>
Date:	Wed, 18 Aug 2010 11:41:17 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Borislav Petkov <bp@...64.org>
CC:	Joerg Roedel <joro@...tes.org>,
	"Roedel, Joerg" <Joerg.Roedel@....com>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"Herrmann3, Andreas" <Andreas.Herrmann3@....com>,
	"Seidel, Conny" <Conny.Seidel@....com>,
	"Sarathy, Bhavna" <Bhavna.Sarathy@....com>,
	"greg@...ah.com" <greg@...ah.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -v2 1/2] x86-32: Fix crashes with CPU hotplug on AMD machines

On 08/16/2010 05:38 AM, Borislav Petkov wrote:
>  #else
>  static inline void reserve_trampoline_memory(void) {};
> +extern void __init setup_trampoline_page_table(void) {};
>  #endif /* CONFIG_X86_TRAMPOLINE */

This breaks compilation in the !CONFIG_X86_TRAMPOLINE case; I presume
you meant:

static inline void setup_trampoline_page_table(void) {}

... here too?

(No semicolon after a function body!)

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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