Re: [PATCH] [v3] x86, pkeys: fix siginfo ABI breakage from new field

From: Stephen Rothwell
Date: Mon Feb 29 2016 - 17:33:23 EST

Hi Dave,

On Mon, 29 Feb 2016 14:17:33 -0800 Dave Hansen <dave@xxxxxxxx> wrote:
> To fix this, we replace the u64 with an '__u32'. The __u32 is
> guaranteed to union well with the pointers from _addr_bnd. It is
> also plenty large enough to store the 16-bit pkey we have today
> on x86.

That looks better, thanks.

Stephen Rothwell