Re: [uml-devel] SYSCALL, ptrace and syscall restart breakages (Re: [RFC] weird crap with vdso on uml/i386)

H. Peter Anvin
2011-08-23T19:27:28Z

On 08/23/2011 12:24 PM, Linus Torvalds wrote:
> On Tue, Aug 23, 2011 at 12:18 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>>
>> We could drop that information in a metaregister. It's not backward
>> compatible, but at least it will be obvious when that information is
>> available and not.
>
> Well, seriously, UML already looks at the word at "ip-2" for other
> reasons. So it isn't like there is any point in adding more support to
> just give you that information in another form.
>

Not for UML, but it might be useful for other things. Certainly lowers
the priority, though.

-hpa