From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: Michael Neuling <mikey@neuling.org>
Cc: paulus@samba.org, linuxppc-dev@lists.ozlabs.org, dwg@au1.ibm.com
Subject: Re: [PATCH 1/2] powerpc: use smp_rmb when looking at deposisted pgtable to store hash index
Date: Mon, 20 May 2013 09:57:38 +0530 [thread overview]
Message-ID: <87vc6e9sxx.fsf@linux.vnet.ibm.com> (raw)
In-Reply-To: <26735.1369012726@ale.ozlabs.ibm.com>
Michael Neuling <mikey@neuling.org> writes:
> Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> wrote:
>
>> From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
>>
>> We need to use smb_rmb when looking at hpte slot array. Otherwise we could
>> reorder the hpte_slot array load bfore even we marked the pmd trans huge.
>
> Does this need to go back into the stable series?
>
No the changes are not yet upstream. hpte_slot_array changes are in the
THP series. I didn't want to post the entire series again with the
above two patches.
-aneesh
next prev parent reply other threads:[~2013-05-20 4:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-17 8:15 [PATCH 1/2] powerpc: use smp_rmb when looking at deposisted pgtable to store hash index Aneesh Kumar K.V
2013-05-17 8:15 ` [PATCH 2/2] powerpc: split hugepage when using subpage protection Aneesh Kumar K.V
2013-05-17 8:36 ` Aneesh Kumar K.V
2013-05-20 1:18 ` [PATCH 1/2] powerpc: use smp_rmb when looking at deposisted pgtable to store hash index Michael Neuling
2013-05-20 4:27 ` Aneesh Kumar K.V [this message]
2013-05-20 6:28 ` Benjamin Herrenschmidt
2013-05-20 9:26 ` Aneesh Kumar K.V
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