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Re: [RFC v5][PATCH 2/8] General infrastructure for checkpoint restart

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From: Bastian Blank
Subject: Re: [RFC v5][PATCH 2/8] General infrastructure for checkpoint restart
Date: Tuesday, September 16, 2008 - 5:27 am

On Mon, Sep 15, 2008 at 11:02:30AM -0700, Dave Hansen wrote:

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

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Messages in current thread:
[RFC v5][PATCH 0/9] Kernel based checkpoint/restart, Oren Laadan, (Sat Sep 13, 4:05 pm)
[RFC v5][PATCH 1/8] Create syscalls: sys_checkpoint, sys_r ..., Oren Laadan, (Sat Sep 13, 4:05 pm)
[RFC v5][PATCH 2/8] General infrastructure for checkpoint ..., Oren Laadan, (Sat Sep 13, 4:06 pm)
[RFC v5][PATCH 3/8] x86 support for checkpoint/restart, Oren Laadan, (Sat Sep 13, 4:06 pm)
[RFC v5][PATCH 4/8] Dump memory address space, Oren Laadan, (Sat Sep 13, 4:06 pm)
[RFC v5][PATCH 5/8] Restore memory address space, Oren Laadan, (Sat Sep 13, 4:06 pm)
[RFC v5][PATCH 6/8] Checkpoint/restart: initial documentation, Oren Laadan, (Sat Sep 13, 4:06 pm)
[RFC v5][PATCH 7/8] Infrastructure for shared objects, Oren Laadan, (Sat Sep 13, 4:06 pm)
[RFC v5][PATCH 8/8] Dump open file descriptors, Oren Laadan, (Sat Sep 13, 4:06 pm)
[RFC v5][PATCH 9/9] Restore open file descriprtors, Oren Laadan, (Sat Sep 13, 4:06 pm)
[RFC v5][PATCH 9/9] Restore open file descriprtors, Oren Laadan, (Sat Sep 13, 4:22 pm)
Re: [RFC v5][PATCH 8/8] Dump open file descriptors, Bastian Blank, (Sun Sep 14, 2:51 am)
Re: [RFC v5][PATCH 8/8] Dump open file descriptors, Oren Laadan, (Sun Sep 14, 8:40 am)
Re: [RFC v5][PATCH 2/8] General infrastructure for checkpo ..., Dave Hansen, (Mon Sep 15, 10:54 am)
Re: [RFC v5][PATCH 2/8] General infrastructure for checkpo ..., Dave Hansen, (Mon Sep 15, 10:59 am)
Re: [RFC v5][PATCH 2/8] General infrastructure for checkpo ..., Dave Hansen, (Mon Sep 15, 11:00 am)
Re: [RFC v5][PATCH 2/8] General infrastructure for checkpo ..., Dave Hansen, (Mon Sep 15, 11:02 am)
Re: [RFC v5][PATCH 2/8] General infrastructure for checkpo ..., Oren Laadan, (Mon Sep 15, 11:52 am)
Re: [RFC v5][PATCH 2/8] General infrastructure for checkpo ..., Dave Hansen, (Mon Sep 15, 12:13 pm)
Re: [RFC v5][PATCH 5/8] Restore memory address space, Dave Hansen, (Mon Sep 15, 12:14 pm)
Re: [RFC v5][PATCH 6/8] Checkpoint/restart: initial docume ..., Serge E. Hallyn, (Mon Sep 15, 1:26 pm)
Re: [RFC v5][PATCH 1/8] Create syscalls: sys_checkpoint, s ..., Serge E. Hallyn, (Mon Sep 15, 1:28 pm)
Re: [RFC v5][PATCH 2/8] General infrastructure for checkpo ..., Serge E. Hallyn, (Mon Sep 15, 2:15 pm)
Re: [RFC v5][PATCH 3/8] x86 support for checkpoint/restart, Serge E. Hallyn, (Mon Sep 15, 2:31 pm)
Re: [RFC v5][PATCH 2/8] General infrastructure for checkpo ..., Bastian Blank, (Tue Sep 16, 5:27 am)
Re: [RFC v5][PATCH 8/8] Dump open file descriptors, Dave Hansen, (Tue Sep 16, 8:54 am)
Re: [RFC v5][PATCH 7/8] Infrastructure for shared objects, Dave Hansen, (Tue Sep 16, 9:48 am)
Re: [RFC v5][PATCH 8/8] Dump open file descriptors, Dave Hansen, (Tue Sep 16, 9:55 am)
Re: [RFC v5][PATCH 7/8] Infrastructure for shared objects, Serge E. Hallyn, (Tue Sep 16, 1:54 pm)
Re: [RFC v5][PATCH 7/8] Infrastructure for shared objects, Oren Laadan, (Tue Sep 16, 2:36 pm)
Re: [RFC v5][PATCH 7/8] Infrastructure for shared objects, Serge E. Hallyn, (Tue Sep 16, 3:09 pm)
Re: [RFC v5][PATCH 8/8] Dump open file descriptors, Serge E. Hallyn, (Tue Sep 16, 4:03 pm)
Re: [RFC v5][PATCH 9/9] Restore open file descriprtors, Serge E. Hallyn, (Tue Sep 16, 4:08 pm)
Re: [RFC v5][PATCH 9/9] Restore open file descriprtors, Oren Laadan, (Tue Sep 16, 5:11 pm)
Re: [RFC v5][PATCH 9/9] Restore open file descriprtors, Serge E. Hallyn, (Tue Sep 16, 9:56 pm)
Re: [RFC v5][PATCH 6/8] Checkpoint/restart: initial docume ..., MinChan Kim, (Tue Sep 16, 11:23 pm)
Re: [RFC v5][PATCH 4/8] Dump memory address space, MinChan Kim, (Tue Sep 16, 11:48 pm)
Re: [RFC v5][PATCH 7/8] Infrastructure for shared objects, MinChan Kim, (Wed Sep 17, 12:31 am)
Re: [RFC v5][PATCH 0/9] Kernel based checkpoint/restart, Serge E. Hallyn, (Wed Sep 17, 7:16 am)
Re: [RFC v5][PATCH 8/8] Dump open file descriptors, Dave Hansen, (Mon Sep 22, 8:31 am)
Re: [RFC v5][PATCH 9/9] Restore open file descriprtors, Dave Hansen, (Mon Sep 22, 9:02 am)
Re: [RFC v5][PATCH 0/9] Kernel based checkpoint/restart, Serge E. Hallyn, (Wed Sep 24, 2:42 pm)
Re: [RFC v5][PATCH 0/9] Kernel based checkpoint/restart, Cedric Le Goater, (Thu Sep 25, 5:58 am)
Re: [RFC v5][PATCH 0/9] Kernel based checkpoint/restart, Oren Laadan, (Wed Oct 8, 2:59 am)