linux-kernel - Re: [PATCH 3/6 v5] powerpc: export debug registers save function for KVM

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Date:	Thu, 27 Jun 2013 14:47:21 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Bharat Bhushan <r65777@...escale.com>
Cc:	<kvm-ppc@...r.kernel.org>, <kvm@...r.kernel.org>, <agraf@...e.de>,
	<scottwood@...escale.com>, <tiejun.chen@...driver.com>,
	<benh@...nel.crashing.org>, <linuxppc-dev@...ts.ozlabs.org>,
	<linux-kernel@...r.kernel.org>, <mikey@...ling.org>,
	Bharat Bhushan <bharat.bhushan@...escale.com>
Subject: Re: [PATCH 3/6 v5] powerpc: export debug registers save function
 for KVM

Hi,

On Wed, 26 Jun 2013 11:12:23 +0530 Bharat Bhushan <r65777@...escale.com> wrote:
>
> diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
> index 200d763..50b357f 100644
> --- a/arch/powerpc/include/asm/switch_to.h
> +++ b/arch/powerpc/include/asm/switch_to.h
> @@ -30,6 +30,10 @@ extern void enable_kernel_spe(void);
>  extern void giveup_spe(struct task_struct *);
>  extern void load_up_spe(struct task_struct *);
>  
> +#ifdef CONFIG_PPC_ADV_DEBUG_REGS
> +extern void switch_booke_debug_regs(struct thread_struct *new_thread);
> +#endif

We usually don't bother guarding function declarations.

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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