linux-kernel - Re: [PATCH] x86: silence section mismatch warning

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Message-ID: <20080822061901.GN14110@elte.hu>
Date:	Fri, 22 Aug 2008 08:19:01 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Marcin Slusarz <marcin.slusarz@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Jack Steiner <steiner@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] x86: silence section mismatch warning - uv_cpu_init


* Marcin Slusarz <marcin.slusarz@...il.com> wrote:

> From: Marcin Slusarz <marcin.slusarz@...il.com>
> Subject: [PATCH v2] x86: fix section mismatch warning - uv_cpu_init
> 
> WARNING: vmlinux.o(.cpuinit.text+0x3cc4): Section mismatch in reference from the function uv_cpu_init() to the function .init.text:uv_system_init()
> The function __cpuinit uv_cpu_init() references
> a function __init uv_system_init().
> If uv_system_init is only used by uv_cpu_init then
> annotate uv_system_init with a matching annotation.
> 
> uv_system_init was ment to be called only once, so do it from codepath
> (native_smp_prepare_cpus) which is called once, right before activation
> of other cpus (smp_init).
> 
> Note: old code relied on uv_node_to_blade being initialized to 0,
> but it'a not initialized from anywhere.

thanks - applied it to tip/x86/urgent. Jack, any objections?

	Ingo
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