linux-kernel - Re: [PATCH 00/18] xfrm: Add compat layer

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Message-ID: <1532972360.2679.32.camel@arista.com>
Date:   Mon, 30 Jul 2018 18:39:20 +0100
From:   Dmitry Safonov <dima@...sta.com>
To:     David Miller <davem@...emloft.net>
Cc:     nharold@...gle.com, fw@...len.de, steffen.klassert@...unet.com,
        linux-kernel@...r.kernel.org, herbert@...dor.apana.org.au,
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Subject: Re: [PATCH 00/18] xfrm: Add compat layer

On Sat, 2018-07-28 at 14:18 -0700, David Miller wrote:
> From: Dmitry Safonov <dima@...sta.com>
> Date: Sat, 28 Jul 2018 17:26:55 +0100
> 
> > Well, I think, I'll rework my patches set according to critics and
> > separate compat xfrm layer. I've already a selftest to check that
> 32/64
> > bit xfrm works - so the most time-taking part is done.
> 
> The way you've done the compat structures using __packed is only
> going
> to work on x86, just FYI.

Thanks for pointing, so I'll probably cover it under something like
HAS_COMPAT_XFRM.
(if there isn't any better idea).

> The "32-bit alignment for 64-bit objects" thing x86 has is very much
> not universal amongst ABIs having 32-bit and 64-bit variants.

-- 
Thanks,
             Dmitry