linux-kernel - Re: powerpc: remove checks for CONFIG_BOOK3E_MMU_TLB

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Message-ID: <20140522223758.GA20343@home.buserror.net>
Date:	Thu, 22 May 2014 17:37:58 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	Paul Bolle <pebolle@...cali.nl>
CC:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	<linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>
Subject: Re: powerpc: remove checks for CONFIG_BOOK3E_MMU_TLB_STATS

On Tue, May 20, 2014 at 07:55:50PM +0200, Paul Bolle wrote:
> Three checks for CONFIG_BOOK3E_MMU_TLB_STATS were added in v2.6.32. But
> the related Kconfig symbol was never added. These checks have always
> evaluated to false. Remove them.
> 
> Signed-off-by: Paul Bolle <pebolle@...cali.nl>
> 
> ---
> Untested.
> 
> A second order cleanup is now possible (ie, TLB_MISS_PROLOG_STATS and
> friends are, well, defined away). Perhaps it is preferable to include
> that cleanup in this patch.
> 
>  arch/powerpc/include/asm/exception-64e.h | 38 --------------------------------
>  arch/powerpc/mm/tlb_low_64e.S            | 10 ---------
>  2 files changed, 48 deletions(-)

/home/scott/fsl/git/linux/upstream/arch/powerpc/mm/tlb_low_64e.S: Assembler messages:
/home/scott/fsl/git/linux/upstream/arch/powerpc/mm/tlb_low_64e.S:89: Error: unrecognized opcode: `tlb_miss_prolog_stats'
/home/scott/fsl/git/linux/upstream/arch/powerpc/mm/tlb_low_64e.S:238: Error: unrecognized opcode: `tlb_miss_prolog_stats'
/home/scott/fsl/git/linux/upstream/arch/powerpc/mm/tlb_low_64e.S:269: Error: unrecognized opcode: `tlb_miss_prolog_stats'
/home/scott/fsl/git/linux/upstream/arch/powerpc/mm/tlb_low_64e.S:281: Error: unrecognized opcode: `tlb_miss_prolog_stats'
/home/scott/fsl/git/linux/upstream/arch/powerpc/mm/tlb_low_64e.S:441: Error: unrecognized opcode: `tlb_miss_prolog_stats'
/home/scott/fsl/git/linux/upstream/arch/powerpc/mm/tlb_low_64e.S:510: Error: unrecognized opcode: `tlb_miss_prolog_stats'
/home/scott/fsl/git/linux/upstream/arch/powerpc/mm/tlb_low_64e.S:881: Error: unrecognized opcode: `tlb_miss_prolog_stats'
/home/scott/fsl/git/linux/upstream/arch/powerpc/mm/tlb_low_64e.S:918: Error: unrecognized opcode: `tlb_miss_prolog_stats'

-Scott
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