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Date:   Sun, 26 Apr 2020 08:51:00 -0700
From:   Alexei Starovoitov <>
To:     Christoph Hellwig <>
Cc:     Kees Cook <>,
        Iurii Zaikin <>,
        Alexei Starovoitov <>,
        Daniel Borkmann <>,,,,,
Subject: Re: pass kernel pointers to the sysctl ->proc_handler method v3

On Fri, Apr 24, 2020 at 08:43:33AM +0200, Christoph Hellwig wrote:
> Hi all,
> this series changes the sysctl ->proc_handler methods to take kernel
> pointers.  This simplifies some of the pointer handling in the methods
> (which could probably be further simplified now), and gets rid of the
> set_fs address space overrides used by bpf.
> Changes since v2:
>  - free the buffer modified by BPF
>  - move pid_max and friends to pid.h
> Changes since v1:
>  - drop a patch merged by Greg
>  - don't copy data out on a write
>  - fix buffer allocation in bpf

The set looks good to me.
Should I take it via bpf-next tree ?

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