linux-kernel - Re: [PATCH 3/5] Removing dead CONFIG_SMP

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Date:	Wed, 9 Jun 2010 08:35:57 -0400
From:	Josh Boyer <jwboyer@...ux.vnet.ibm.com>
To:	Christoph Egger <siccegge@...fau.de>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org, vamos@...informatik.uni-erlangen.de
Subject: Re: [PATCH 3/5] Removing dead CONFIG_SMP_750

On Wed, Jun 09, 2010 at 12:00:21PM +0200, Christoph Egger wrote:
>CONFIG_SMP_750 doesn't exist in Kconfig, therefore removing all
>references for it from the source code.

Yeah, we don't support SMP on 750 at the moment.  This code was carried over
from the arch/ppc days, and that code was present pre-git.  I think we can
drop it, but I'll leave that up to Ben.  Maybe he has crazy plans for a 750 SMP
board.

josh

>
>Signed-off-by: Christoph Egger <siccegge@...fau.de>
>---
> arch/powerpc/mm/tlb_hash32.c |    4 ----
> 1 files changed, 0 insertions(+), 4 deletions(-)
>
>diff --git a/arch/powerpc/mm/tlb_hash32.c b/arch/powerpc/mm/tlb_hash32.c
>index 8aaa8b7..925fecb 100644
>--- a/arch/powerpc/mm/tlb_hash32.c
>+++ b/arch/powerpc/mm/tlb_hash32.c
>@@ -94,11 +94,7 @@ void tlb_flush(struct mmu_gather *tlb)
>  * the cache operations on the bus.  Hence we need to use an IPI
>  * to get the other CPU(s) to invalidate their TLBs.
>  */
>-#ifdef CONFIG_SMP_750
>-#define FINISH_FLUSH	smp_send_tlb_invalidate(0)
>-#else
> #define FINISH_FLUSH	do { } while (0)
>-#endif
>
> static void flush_range(struct mm_struct *mm, unsigned long start,
> 			unsigned long end)
>-- 
>1.6.3.3
>
>_______________________________________________
>Linuxppc-dev mailing list
>Linuxppc-dev@...ts.ozlabs.org
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