netdev - Re: arch: arm: bpf: Converting cBPF to eBPF for arm 32 bit

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Message-ID: <CAGXu5jKDMUxRivMZdEQSBs81dkKRn5hRUiOz_wybCyphFFy+RQ@mail.gmail.com>
Date:   Mon, 22 May 2017 22:35:20 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Shubham Bansal <illusionist.neo@...il.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        "kernel-hardening@...ts.openwall.com" 
        <kernel-hardening@...ts.openwall.com>,
        Network Development <netdev@...r.kernel.org>, ast@...com,
        Mircea Gherzan <mgherzan@...il.com>,
        David Miller <davem@...emloft.net>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Nicolas Schichan <nschichan@...ebox.fr>, andrew@...n.ch
Subject: Re: arch: arm: bpf: Converting cBPF to eBPF for arm 32 bit

On Mon, May 22, 2017 at 10:03 PM, Shubham Bansal
<illusionist.neo@...il.com> wrote:
> On Tue, May 23, 2017 at 9:52 AM, Kees Cook <keescook@...omium.org> wrote:
>> On Mon, May 22, 2017 at 8:34 PM, Shubham Bansal
>> <illusionist.neo@...il.com> wrote:
>>> I would post them as soon as I test them on ARMv5 and ARMv6. If you
>>> can help me with that, please let me know.
>>
>> Please post what you have: it would be better to see what you've got
>> now in case additional changes are needed so you don't have to do it
>> again on v5 and v6. Also, it means other people with real v5 and v6
>> hardware could test for you if they were so inclined, and you won't
>> need to be blocked on doing the tests in qemu.
>>
>> You can send it as an "RFC" in the subject, just to make sure people
>> know it's not considered fully done. :)
>
> I already have ARMv5 and ARMv6 code written. I just haven't tested it
> yet. Should i send the patch with those as well ?

Sure, just to have a version up for people to examine. If there are
bugs, that's fine, we'll iron them out.

-Kees

-- 
Kees Cook
Pixel Security