From: Mark Williamson <mwilliamson@undo-software.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-api@vger.kernel.org" <linux-api@vger.kernel.org>
Subject: Re: [PATCH v4 1/5] pagemap: check permissions and capabilities at open time
Date: Fri, 24 Jul 2015 19:16:39 +0100 [thread overview]
Message-ID: <CAEVpBaKsFLRx-tfy_zC-3Yqp++wKMKjULEKN-Mq5mnZK2bjS1Q@mail.gmail.com> (raw)
In-Reply-To: <20150721080626.GB4490@hori1.linux.bs1.fc.nec.co.jp>
(within the limits of my understanding of the mm code)
Reviewed-by: Mark Williamson <mwilliamson@undo-software.com>
On Tue, Jul 21, 2015 at 9:06 AM, Naoya Horiguchi
<n-horiguchi@ah.jp.nec.com> wrote:
> On Tue, Jul 14, 2015 at 06:37:35PM +0300, Konstantin Khlebnikov wrote:
>> This patch moves permission checks from pagemap_read() into pagemap_open().
>>
>> Pointer to mm is saved in file->private_data. This reference pins only
>> mm_struct itself. /proc/*/mem, maps, smaps already work in the same way.
>>
>> Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
>> Link: http://lkml.kernel.org/r/CA+55aFyKpWrt_Ajzh1rzp_GcwZ4=6Y=kOv8hBz172CFJp6L8Tg@mail.gmail.com
>
> Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
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next prev parent reply other threads:[~2015-07-24 18:16 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-14 15:37 [PATCHSET v4 0/5] pagemap: make useable for non-privilege users Konstantin Khlebnikov
2015-07-14 15:37 ` [PATCH v4 1/5] pagemap: check permissions and capabilities at open time Konstantin Khlebnikov
2015-07-21 8:06 ` Naoya Horiguchi
2015-07-24 18:16 ` Mark Williamson [this message]
2015-07-14 15:37 ` [PATCH v4 2/5] pagemap: switch to the new format and do some cleanup Konstantin Khlebnikov
2015-07-21 7:44 ` Naoya Horiguchi
2015-07-14 15:37 ` [PATCH v4 3/5] pagemap: rework hugetlb and thp report Konstantin Khlebnikov
2015-07-19 11:10 ` Kirill A. Shutemov
2015-07-21 8:00 ` Naoya Horiguchi
2015-07-21 8:43 ` Konstantin Khlebnikov
2015-07-24 18:17 ` Mark Williamson
2015-07-24 18:19 ` Mark Williamson
2015-07-14 15:37 ` [PATCH v4 4/5] pagemap: hide physical addresses from non-privileged users Konstantin Khlebnikov
2015-07-21 8:11 ` Naoya Horiguchi
2015-07-21 8:39 ` Konstantin Khlebnikov
2015-07-24 18:18 ` Mark Williamson
2015-07-14 15:37 ` [PATCH v4 5/5] pagemap: add mmap-exclusive bit for marking pages mapped only here Konstantin Khlebnikov
2015-07-21 8:17 ` Naoya Horiguchi
2015-07-24 18:18 ` Mark Williamson
2015-07-14 18:52 ` [PATCHSET v4 0/5] pagemap: make useable for non-privilege users Andrew Morton
2015-07-14 20:15 ` Konstantin Khlebnikov
2015-07-16 18:47 ` [PATCH] pagemap: update documentation Konstantin Khlebnikov
2015-07-21 8:35 ` Naoya Horiguchi
2015-07-24 17:34 ` [PATCHSET v4 0/5] pagemap: make useable for non-privilege users Mark Williamson
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