From: alekskartashov@parallels.com (Alexander Kartashov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: align shared memory unconditionally to the SHMLBA boundary
Date: Tue, 16 Jul 2013 14:22:41 +0400 [thread overview]
Message-ID: <51E51EF1.3010104@parallels.com> (raw)
In-Reply-To: <20130716095349.GB16370@moon>
On 07/16/2013 01:53 PM, Cyrill Gorcunov wrote:
> Does it mean that we simply can't checkpoint and restore on same
> node (ie same arm family) if this patch is not applied, right?
Yes, it does.
> Is there any possibility to somehow workaround this problem
> completely in user-space?
No, it's impossible since an IPC SHM region is allocated
by the routine shmget() in the dumpee; if the routine
returns an incorrectly aligned address it's impossible
to reattach the region at this address while restoring
the dumpee.
--
Sincerely yours,
Alexander Kartashov
Intern
Core team
www.parallels.com
Skype: aleksandr.kartashov
Email: alekskartashov at parallels.com
next prev parent reply other threads:[~2013-07-16 10:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-19 6:11 [PATCH] arm: align shared memory unconditionally to the SHMLBA boundary Alexander Kartashov
2013-07-15 17:32 ` Cyrill Gorcunov
2013-07-15 18:08 ` Russell King - ARM Linux
2013-07-15 18:57 ` Cyrill Gorcunov
2013-07-16 5:37 ` Alexander Kartashov
2013-07-16 9:53 ` Cyrill Gorcunov
2013-07-16 10:22 ` Alexander Kartashov [this message]
2013-07-16 10:36 ` Russell King - ARM Linux
2013-07-16 10:47 ` Alexander Kartashov
2013-07-16 11:07 ` Russell King - ARM Linux
2013-07-16 13:12 ` Alexander Kartashov
2013-08-16 8:20 ` Alexander Kartashov
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