linux-kernel - Re: [PATCH v2 03/17] powerpc/cell: Make spu_flush_all

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Date:	Wed,  1 Oct 2014 17:13:30 +1000 (EST)
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Michael Neuling <mikey@...ling.org>, greg@...ah.com, arnd@...db.de,
	mpe@...erman.id.au, benh@...nel.crashing.org
Cc:	mikey@...ling.org, anton@...ba.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org, jk@...abs.org, imunsie@...ibm.com,
	cbe-oss-dev@...ts.ozlabs.org,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Subject: Re: [PATCH v2 03/17] powerpc/cell: Make spu_flush_all_slbs() generic

On Tue, 2014-30-09 at 10:34:52 UTC, Michael Neuling wrote:
> diff --git a/arch/powerpc/include/asm/copro.h b/arch/powerpc/include/asm/copro.h
> index 2858108..f3d338f 100644
> --- a/arch/powerpc/include/asm/copro.h
> +++ b/arch/powerpc/include/asm/copro.h
> @@ -15,4 +15,10 @@ int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
>  
>  int copro_data_segment(struct mm_struct *mm, u64 ea, u64 *esid, u64 *vsid);
>  
> +
> +#ifdef CONFIG_PPC_COPRO_BASE
> +void copro_flush_all_slbs(struct mm_struct *mm);
> +#else
> +#define copro_flush_all_slbs(mm) do {} while(0)

This can be a static inline, so it should be. That way you get type checking on
the argument for CONFIG_PPC_COPRO_BASE=n.


cheers
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