Re: [PATCH 0/3] ABI CHANGE!!! Remove questionable remote SP reads

[Andy Lutomirski]

On Mon, Oct 3, 2016 at 4:17 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Mon, Oct 3, 2016 at 4:08 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
>>
>> Ping!
>>
>> We need to decide fairly soon whether to apply these (or perhaps just
>> patch 1 or just patches 2 and 3) for 4.9.  For any parts that aren't
>> applied, I'll send quick fixups to pin the stack in the offending
>> code.
>
> I think we should apply it. Hopefully nothing uses it, and nobody will
> notice. And if somebody *does* notice, the sooner we find out, the
> better.
>

Ingo?  If we're going to make this change, I think it would be nice to
do it before -rc1.  If not, I want to get the alternate fix in ASAP.