Re: [PATCH] IPC namespace core

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On Mon, 2006-10-02 at 16:01 +0000, Linux Kernel Mailing List wrote:
> commit 25b21cb2f6d69b0475b134e0a3e8e269137270fa
> tree cd9c3966408c0ca5903249437c35ff35961de544
> parent c0b2fc316599d6cd875b6b8cafa67f03b9512b4d
> author Kirill Korotaev <[email protected]> 1159780699 -0700
> committer Linus Torvalds <[email protected]> 1159801042 -0700
> 
> [PATCH] IPC namespace core
> 
> This patch set allows to unshare IPCs and have a private set of IPC objects
> (sem, shm, msg) inside namespace.  Basically, it is another building block of
> containers functionality.
> 
> This patch implements core IPC namespace changes:
> - ipc_namespace structure
> - new config option CONFIG_IPC_NS
> - adds CLONE_NEWIPC flag
> - unshare support
> 
> [[email protected]: small fix for unshare of ipc namespace]
> [[email protected]: build fix]
> Signed-off-by: Pavel Emelianov <[email protected]>
> Signed-off-by: Kirill Korotaev <[email protected]>
> Signed-off-by: Cedric Le Goater <[email protected]>
> Cc: "Eric W. Biederman" <[email protected]>
> Signed-off-by: Andrew Morton <[email protected]>
> Signed-off-by: Linus Torvalds <[email protected]>

> --- a/include/linux/ipc.h
> +++ b/include/linux/ipc.h
> @@ -2,6 +2,7 @@ #ifndef _LINUX_IPC_H
>  #define _LINUX_IPC_H
>  
>  #include <linux/types.h>
> +#include <linux/kref.h>
>  
>  #define IPC_PRIVATE ((__kernel_key_t) 0)  
>  

You need to move the #include down the file by about 50 lines so it
lands inside the existing #ifdef __KERNEL__.

All those signed-off-bys and _none_ of you managed to notice that
<linux/kref.h> doesn't exist in the headers we export to userspace,
despite the fact that just running 'make headers_check' would have
shouted at you about it?

Bad hacker. No biscuit.

-- 
dwmw2

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