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From: Sasha Levin <sasha.levin@oracle.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>, jwboyer@fedoraproject.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	torvalds@linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: pte_present check on hugetlb_entry fix for 3.15?
Date: Fri, 06 Jun 2014 16:15:04 -0400	[thread overview]
Message-ID: <53922148.4020605@oracle.com> (raw)
In-Reply-To: <1402080393-n2hosalz@n-horiguchi@ah.jp.nec.com>

On 06/06/2014 02:46 PM, Naoya Horiguchi wrote:
>>  A backported version is below.  I poked Linus about this
>> > early today privately (my fault, apologies) and he had some
>> > questions/comments on the code.
> I'm not sure the same problem really reproduces on mainline kernel without
> my page table walker patchset, because I could't reproduce it in my environment
> (Sasha, have you seen this problem on mainline kernel?)

I haven't been fuzzing the mainline kernel at any point, but this issue reproduced
with the page table walker patches reverted on -next, so I think it's safe to assume
it would reproduce on mainline.


Thanks,
Sasha

  parent reply	other threads:[~2014-06-06 20:15 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-06 17:36 pte_present check on hugetlb_entry fix for 3.15? Josh Boyer
     [not found] ` <53920c95.685a8c0a.2111.ffffe52fSMTPIN_ADDED_BROKEN@mx.google.com>
2014-06-06 18:59   ` Andrew Morton
2014-06-06 20:11     ` Dave Hansen
2014-06-06 20:19       ` Andrew Morton
     [not found] ` <1402080393-n2hosalz@n-horiguchi@ah.jp.nec.com>
2014-06-06 20:15   ` Sasha Levin [this message]
2014-06-06 20:28 ` Linus Torvalds

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