From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: Liu Ping Fan <kernelfans@gmail.com>, linuxppc-dev@lists.ozlabs.org
Cc: Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH 1/2] powerpc: mm: use macro PGTABLE_EADDR_SIZE instead of digital
Date: Wed, 30 Apr 2014 11:00:39 +0530 [thread overview]
Message-ID: <87tx9bbczk.fsf@linux.vnet.ibm.com> (raw)
In-Reply-To: <1385000275-5988-1-git-send-email-pingfank@linux.vnet.ibm.com>
Liu Ping Fan <kernelfans@gmail.com> writes:
> In case of extending the eaddr in future, use this macro
> PGTABLE_EADDR_SIZE to ease the maintenance of the code.
>
> Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> ---
> arch/powerpc/mm/slb_low.S | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
> index 17aa6df..e0b3cf4 100644
> --- a/arch/powerpc/mm/slb_low.S
> +++ b/arch/powerpc/mm/slb_low.S
> @@ -35,7 +35,7 @@ _GLOBAL(slb_allocate_realmode)
> * check for bad kernel/user address
> * (ea & ~REGION_MASK) >= PGTABLE_RANGE
> */
> - rldicr. r9,r3,4,(63 - 46 - 4)
> + rldicr. r9,r3,4,(63 - PGTABLE_EADDR_SIZE - 4)
> bne- 8f
>
> srdi r9,r3,60 /* get region */
> --
> 1.8.1.4
>
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@lists.ozlabs.org
> https://lists.ozlabs.org/listinfo/linuxppc-dev
prev parent reply other threads:[~2014-04-30 5:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-21 2:17 [PATCH 1/2] powerpc: mm: use macro PGTABLE_EADDR_SIZE instead of digital Liu Ping Fan
2013-11-21 2:17 ` [PATCH 2/2] powerpc: mm: change pgtable index size for 64K page Liu Ping Fan
2013-11-21 22:11 ` Paul Mackerras
2013-11-21 23:46 ` Benjamin Herrenschmidt
2013-11-22 2:06 ` Michael Ellerman
2014-04-30 5:30 ` Aneesh Kumar K.V [this message]
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