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SubjectRe: How much of a mess does OpenVZ make? ;) Was: What can OpenVZ do?
On Thu, Feb 12, 2009 at 03:04:05PM -0800, Dave Hansen wrote:
> dave@nimitz:~/kernels/linux-2.6-openvz$ git diff v2.6.27.10... kernel/cpt/ | diffstat
> Makefile | 53 +
> cpt_conntrack.c | 365 ++++++++++++
> cpt_context.c | 257 ++++++++
> cpt_context.h | 215 +++++++
> cpt_dump.c | 1250 ++++++++++++++++++++++++++++++++++++++++++
> cpt_dump.h | 16
> cpt_epoll.c | 113 +++
> cpt_exports.c | 13
> cpt_files.c | 1626 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> cpt_files.h | 71 ++
> cpt_fsmagic.h | 16
> cpt_inotify.c | 144 ++++
> cpt_kernel.c | 177 ++++++
> cpt_kernel.h | 99 +++
> cpt_mm.c | 923 +++++++++++++++++++++++++++++++
> cpt_mm.h | 35 +
> cpt_net.c | 614 ++++++++++++++++++++
> cpt_net.h | 7
> cpt_obj.c | 162 +++++
> cpt_obj.h | 62 ++
> cpt_proc.c | 595 ++++++++++++++++++++
> cpt_process.c | 1369 ++++++++++++++++++++++++++++++++++++++++++++++
> cpt_process.h | 13
> cpt_socket.c | 790 ++++++++++++++++++++++++++
> cpt_socket.h | 33 +
> cpt_socket_in.c | 450 +++++++++++++++
> cpt_syscalls.h | 101 +++
> cpt_sysvipc.c | 403 +++++++++++++
> cpt_tty.c | 215 +++++++
> cpt_ubc.c | 132 ++++
> cpt_ubc.h | 23
> cpt_x8664.S | 67 ++
> rst_conntrack.c | 283 +++++++++
> rst_context.c | 323 ++++++++++
> rst_epoll.c | 169 +++++
> rst_files.c | 1648 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> rst_inotify.c | 196 ++++++
> rst_mm.c | 1151 +++++++++++++++++++++++++++++++++++++++
> rst_net.c | 741 +++++++++++++++++++++++++
> rst_proc.c | 580 +++++++++++++++++++
> rst_process.c | 1640 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> rst_socket.c | 918 +++++++++++++++++++++++++++++++
> rst_socket_in.c | 489 ++++++++++++++++
> rst_sysvipc.c | 633 +++++++++++++++++++++
> rst_tty.c | 384 +++++++++++++
> rst_ubc.c | 131 ++++
> rst_undump.c | 1007 ++++++++++++++++++++++++++++++++++
> 47 files changed, 20702 insertions(+)
>
> One important thing that leaves out is the interaction that this code
> has with the rest of the kernel. That's critically important when
> considering long-term maintenance, and I'd be curious how the OpenVZ
> folks view it.

OpenVZ as-is in some cases wants some functions to be made global
(and if C/R code will be modular, exported). Or probably several
iterators added.

But it's negligible amount of changes compared to main code.


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