linux-kernel - Re: [PATCH 1/2] net: Remove net/ipx.h and uapi/linux/ipx.h header files

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Date:   Wed, 1 Sep 2021 18:02:44 +0200
From:   Eugene Syromiatnikov <esyr@...hat.com>
To:     Cai Huoqing <caihuoqing@...du.com>
Cc:     davem@...emloft.net, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, ldv@...ace.io
Subject: Re: [PATCH 1/2] net: Remove net/ipx.h and uapi/linux/ipx.h header
 files

On Fri, Aug 13, 2021 at 08:08:02PM +0800, Cai Huoqing wrote:
> commit <47595e32869f> ("<MAINTAINERS: Mark some staging directories>")
> indicated the ipx network layer as obsolete in Jan 2018,
> updated in the MAINTAINERS file
> 
> now, after being exposed for 3 years to refactoring, so to
> delete uapi/linux/ipx.h and net/ipx.h header files for good.
> additionally, there is no module that depends on ipx.h except
> a broken staging driver(r8188eu)
> 
> Signed-off-by: Cai Huoqing <caihuoqing@...du.com>

This removal breaks audit[1] and potentially breaks strace[2][3], at least.

[1] https://github.com/linux-audit/audit-userspace/blob/ce58837d44b7d9fcb4e140c23f68e0c94d95ab6e/auparse/interpret.c#L48
[2] https://gitlab.com/strace/strace/-/blob/9fe63f42df8badd22fb7eef9c12fc07ed7106d6b/src/net.c#L34
[3] https://gitlab.com/strace/strace/-/blob/9fe63f42df8badd22fb7eef9c12fc07ed7106d6b/src/sockaddr.c#L30