From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
To: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-api@vger.kernel.org" <linux-api@vger.kernel.org>,
Mark Williamson <mwilliamson@undo-software.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Kirill A. Shutemov" <kirill@shutemov.name>
Subject: Re: [PATCH v3 1/4] pagemap: check permissions and capabilities at open time
Date: Wed, 17 Jun 2015 07:58:10 +0000 [thread overview]
Message-ID: <20150617075809.GB384@hori1.linux.bs1.fc.nec.co.jp> (raw)
In-Reply-To: <20150609200015.21971.25692.stgit@zurg>
On Tue, Jun 09, 2015 at 11:00:15PM +0300, Konstantin Khlebnikov wrote:
> From: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
>
> 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:[~2015-06-17 7:59 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-09 20:00 [PATCHSET v3 0/4] pagemap: make useable for non-privilege users Konstantin Khlebnikov
2015-06-09 20:00 ` [PATCH v3 1/4] pagemap: check permissions and capabilities at open time Konstantin Khlebnikov
2015-06-12 18:44 ` Mark Williamson
2015-06-17 7:58 ` Naoya Horiguchi [this message]
2015-06-09 20:00 ` [PATCH v3 2/4] pagemap: add mmap-exclusive bit for marking pages mapped only here Konstantin Khlebnikov
2015-06-12 18:46 ` Mark Williamson
2015-06-17 8:11 ` Naoya Horiguchi
2015-06-09 20:00 ` [PATCH v3 3/4] pagemap: hide physical addresses from non-privileged users Konstantin Khlebnikov
2015-06-12 18:47 ` Mark Williamson
2015-06-09 20:00 ` [PATCH v3 4/4] pagemap: switch to the new format and do some cleanup Konstantin Khlebnikov
2015-06-12 18:49 ` Mark Williamson
2015-06-15 5:56 ` [PATCH v4] " Konstantin Khlebnikov
2015-06-15 14:57 ` Mark Williamson
2015-06-16 21:29 ` Andrew Morton
2015-06-17 4:59 ` Konstantin Khlebnikov
2015-06-17 6:40 ` Konstantin Khlebnikov
2015-06-12 18:59 ` [PATCHSET v3 0/4] pagemap: make useable for non-privilege users Mark Williamson
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