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SubjectAny chance that kernel/uid6.c can go? [Was: [PATCH 22/45] kernel: provide ksys_*() wrappers for syscalls called by kernel/uid16.c]
On Thu, Mar 22, 2018 at 10:00:36AM +0100, Dominik Brodowski wrote:
> Using these helpers allows us to avoid the in-kernel calls to these
> syscalls: sys_setregid(), sys_setgid(), sys_setreuid(), sys_setuid(),
> sys_setresuid(), sys_setresgid(), sys_setfsuid(), and sys_setfsgid().
>
> The ksys_ prefix denotes that these function are meant as a drop-in
> replacement for the syscall. In particular, they use the same calling
> convention.
>
> This patch is part of a series which tries to remove in-kernel calls to
> syscalls. On this basis, the syscall entry path can be streamlined.
>
> Cc: Al Viro <viro@ZenIV.linux.org.uk>
> Cc: Eric W. Biederman <ebiederm@xmission.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
> ---
> kernel/sys.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++--------
> kernel/uid16.c | 19 ++++++++++---------

In its header, kernel/uid16.c says, since 2.3.39 was released in January
2000:

* Wrapper functions for 16bit uid back compatibility. All nicely tied
* together in the faint hope we can take the out in five years time.

Are we any closer to removing these wrappers?

Thanks,
Dominik

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