linux-kernel - Re: [Devel] Re: [PATCH 1/9] Introduce trivial sys_checkpoint and sys

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Date:	Wed, 3 Sep 2008 17:05:42 +0400
From:	Andrey Mirkin <amirkin@...allels.com>
To:	devel@...nvz.org
Cc:	Cedric Le Goater <clg@...ibm.com>,
	Andrey Mirkin <major@...nvz.org>,
	containers@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [Devel] Re: [PATCH 1/9] Introduce trivial sys_checkpoint and sys_restore system	calls

On Wednesday 03 September 2008 15:44 Cedric Le Goater wrote:
> Andrey Mirkin wrote:
> > Right now they just return -ENOSYS. Later they will provide functionality
> > to checkpoint and restart a container.
> >
> > Both syscalls take as arguments a file descriptor and flags.
> > Also sys_checkpoint take as the first argument a PID of container's init
> > (later it will be container ID); sys_restart takes as the first argument
> > a container ID (right now it will not be used).
> >
> > Signed-off-by: Andrey Mirkin <major@...nvz.org>
> > ---
> >  Makefile                           |    2 +-
> >  arch/x86/kernel/syscall_table_32.S |    2 +
> >  cpt/Makefile                       |    1 +
> >  cpt/sys_core.c                     |   38
> > ++++++++++++++++++++++++++++++++++++ include/asm-x86/unistd_32.h        |
> >    2 +
> >  5 files changed, 44 insertions(+), 1 deletions(-)
> >  create mode 100644 cpt/Makefile
> >  create mode 100644 cpt/sys_core.c
> >
> > diff --git a/Makefile b/Makefile
> > index ea413fa..1dee5c0 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -619,7 +619,7 @@ export mod_strip_cmd
> >
> >
> >  ifeq ($(KBUILD_EXTMOD),)
> > -core-y		+= kernel/ mm/ fs/ ipc/ security/ crypto/ block/
> > +core-y		+= kernel/ mm/ fs/ ipc/ security/ crypto/ block/ cpt/
> >
> >  vmlinux-dirs	:= $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \
> >  		     $(core-y) $(core-m) $(drivers-y) $(drivers-m) \
> > diff --git a/arch/x86/kernel/syscall_table_32.S
> > b/arch/x86/kernel/syscall_table_32.S index fd9d4f4..4a0d7fb 100644
> > --- a/arch/x86/kernel/syscall_table_32.S
> > +++ b/arch/x86/kernel/syscall_table_32.S
> > @@ -333,3 +333,5 @@ ENTRY(sys_call_table)
> >  	.long sys_pipe2
> >  	.long sys_inotify_init1
> >  	.long sys_hijack
> > +	.long sys_checkpoint
> > +	.long sys_restart		/* 335 */
>
> this patchset is based on top of :
>
> git://git.kernel.org/pub/scm/linux/kernel/git/daveh/linux-2.6-lxc.git
>
> right ?

Yes, it is based on Dave's git tree.

Regards,
Andrey
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