From: Paul Mackerras <paulus@ozlabs.org>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: benh@kernel.crashing.org, mpe@ellerman.id.au,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc/mm: Recompute hash value after a failed update
Date: Wed, 16 Sep 2015 14:56:15 +1000 [thread overview]
Message-ID: <20150916045615.GA7276@iris.ozlabs.ibm.com> (raw)
In-Reply-To: <1442300408-26490-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
On Tue, Sep 15, 2015 at 12:30:08PM +0530, Aneesh Kumar K.V wrote:
> If we had secondary hash flag set, we ended up modifying hash value in
> the updatepp code path. Hence with a failed updatepp we will be using
> a wrong hash value for the following hash insert. Fix this by
> recomputing hash before insert.
>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Reviewed-by: Paul Mackerras <paulus@samba.org>
next prev parent reply other threads:[~2015-09-16 5:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-15 7:00 [PATCH] powerpc/mm: Recompute hash value after a failed update Aneesh Kumar K.V
2015-09-16 3:23 ` Aneesh Kumar K.V
2015-09-16 4:49 ` Michael Ellerman
2015-09-16 5:57 ` Aneesh Kumar K.V
2015-09-16 7:27 ` Michael Ellerman
2015-09-16 18:59 ` Aneesh Kumar K.V
2015-09-16 4:56 ` Paul Mackerras [this message]
2015-09-17 5:13 ` Michael Ellerman
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