From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: paulus@samba.org, linuxppc-dev@lists.ozlabs.org,
david@gibson.dropbear.id.au
Subject: Re: [RFC PATCH] powerpc/mm: Return NULL for not present hugetlb page
Date: Thu, 07 May 2015 16:26:53 +0530 [thread overview]
Message-ID: <87h9rod5ai.fsf@linux.vnet.ibm.com> (raw)
In-Reply-To: <1430986646.3453.34.camel@kernel.crashing.org>
Benjamin Herrenschmidt <benh@kernel.crashing.org> writes:
> On Thu, 2015-05-07 at 12:46 +0530, Aneesh Kumar K.V wrote:
>> We need to check whether pte is present in follow_huge_addr and
>> properly return NULL if mapping is not present. Also use READ_ONCE
>> when dereferencing pte_t address.
>
> Do that need to go to stable as well ?
Yes. I will like David to take a look at this and give his feedback.
W.r.t patch itself I hit a build failure on mpc85xx_smp_defconfig. I will
resent after the test build finish on all configs
-aneesh
next prev parent reply other threads:[~2015-05-07 10:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-07 7:16 [RFC PATCH] powerpc/mm: Return NULL for not present hugetlb page Aneesh Kumar K.V
2015-05-07 8:17 ` Benjamin Herrenschmidt
2015-05-07 10:56 ` Aneesh Kumar K.V [this message]
2015-05-07 23:44 ` David Gibson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87h9rod5ai.fsf@linux.vnet.ibm.com \
--to=aneesh.kumar@linux.vnet.ibm.com \
--cc=benh@kernel.crashing.org \
--cc=david@gibson.dropbear.id.au \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=paulus@samba.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.