From: Bastian Blank <bastian@waldi.eu.org>
To: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Oren Laadan <orenl@cs.columbia.edu>,
containers@lists.linux-foundation.org, jeremy@goop.org,
linux-kernel@vger.kernel.org, arnd@arndb.de
Subject: Re: [RFC v5][PATCH 2/8] General infrastructure for checkpoint restart
Date: Tue, 16 Sep 2008 14:27:03 +0200 [thread overview]
Message-ID: <20080916122703.GA24431@wavehammer.waldi.eu.org> (raw)
In-Reply-To: <1221501750.16561.15.camel@nimitz>
On Mon, Sep 15, 2008 at 11:02:30AM -0700, Dave Hansen wrote:
> All of the casting here is unnecessary. 'void *' behaves like 'char *'
> when you do arithmetic on it.
No. Arithmetic on void pointer is not allowed by the standard. This is a
gcc extension. It's okay to be used in the Linux kernel but not in
general.
The second cast (from char * to void *) however is useless.
Bastian
--
Prepare for tomorrow -- get ready.
-- Edith Keeler, "The City On the Edge of Forever",
stardate unknown
next prev parent reply other threads:[~2008-09-16 12:27 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-13 23:05 [RFC v5][PATCH 0/9] Kernel based checkpoint/restart Oren Laadan
2008-09-13 23:05 ` [RFC v5][PATCH 1/8] Create syscalls: sys_checkpoint, sys_restart Oren Laadan
2008-09-15 20:28 ` Serge E. Hallyn
2008-09-13 23:06 ` [RFC v5][PATCH 2/8] General infrastructure for checkpoint restart Oren Laadan
2008-09-15 17:54 ` Dave Hansen
2008-09-15 17:59 ` Dave Hansen
2008-09-15 18:00 ` Dave Hansen
2008-09-15 18:02 ` Dave Hansen
2008-09-15 18:52 ` Oren Laadan
2008-09-15 19:13 ` Dave Hansen
2008-09-16 12:27 ` Bastian Blank [this message]
2008-09-15 21:15 ` Serge E. Hallyn
2008-09-13 23:06 ` [RFC v5][PATCH 3/8] x86 support for checkpoint/restart Oren Laadan
2008-09-15 21:31 ` Serge E. Hallyn
2008-09-13 23:06 ` [RFC v5][PATCH 4/8] Dump memory address space Oren Laadan
2008-09-17 6:48 ` MinChan Kim
2008-09-13 23:06 ` [RFC v5][PATCH 5/8] Restore " Oren Laadan
2008-09-15 19:14 ` Dave Hansen
2008-09-13 23:06 ` [RFC v5][PATCH 6/8] Checkpoint/restart: initial documentation Oren Laadan
2008-09-15 20:26 ` Serge E. Hallyn
2008-09-17 6:23 ` MinChan Kim
2008-09-13 23:06 ` [RFC v5][PATCH 7/8] Infrastructure for shared objects Oren Laadan
2008-09-16 16:48 ` Dave Hansen
2008-09-17 7:31 ` MinChan Kim
2008-09-16 20:54 ` Serge E. Hallyn
2008-09-16 21:36 ` Oren Laadan
2008-09-16 22:09 ` Serge E. Hallyn
2008-09-13 23:06 ` [RFC v5][PATCH 8/8] Dump open file descriptors Oren Laadan
2008-09-14 9:51 ` Bastian Blank
2008-09-14 15:40 ` Oren Laadan
2008-09-16 23:03 ` Serge E. Hallyn
2008-09-22 15:31 ` Dave Hansen
2008-09-16 15:54 ` Dave Hansen
2008-09-16 16:55 ` Dave Hansen
2008-09-13 23:06 ` [RFC v5][PATCH 9/9] Restore open file descriprtors Oren Laadan
2008-09-16 23:08 ` Serge E. Hallyn
2008-09-17 0:11 ` Oren Laadan
2008-09-17 4:56 ` Serge E. Hallyn
2008-09-22 16:02 ` Dave Hansen
2008-09-13 23:22 ` Oren Laadan
2008-09-17 14:16 ` [RFC v5][PATCH 0/9] Kernel based checkpoint/restart Serge E. Hallyn
2008-10-08 9:59 ` Oren Laadan
2008-09-24 21:42 ` Serge E. Hallyn
2008-09-25 12:58 ` Cedric Le Goater
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