Messages in this thread | | | Date | Tue, 23 Aug 2011 12:26:24 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [uml-devel] SYSCALL, ptrace and syscall restart breakages (Re: [RFC] weird crap with vdso on uml/i386) |
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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
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