Re: [PATCH] [v3] x86, pkeys: fix siginfo ABI breakage from new field
From: Stephen Rothwell <hidden>
Date: 2016-02-29 22:33:21
Also in:
lkml
From: Stephen Rothwell <hidden>
Date: 2016-02-29 22:33:21
Also in:
lkml
Hi Dave, On Mon, 29 Feb 2016 14:17:33 -0800 Dave Hansen [off-list ref] 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. -- Cheers, Stephen Rothwell