Messages in this thread | | | From | Linus Torvalds <> | Date | Tue, 23 Aug 2011 12:43:28 -0700 | Subject | Re: [uml-devel] SYSCALL, ptrace and syscall restart breakages (Re: [RFC] weird crap with vdso on uml/i386) |
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On Tue, Aug 23, 2011 at 12:41 PM, Al Viro <viro@zeniv.linux.org.uk> wrote: > > And it's not cheap - doing that on each syscall will be unpleasant... > Frankly, I'd rather stopped telling the uml userland about vdso in such > setups. And anything that plays with SYSCALL outside of vdso... <shrug> > we already have a "don't run it native on 32bit", adding "don't run > it on 32bit uml on amd64 host" is not too serious. At least for now...
I do agree that the solution might well be to just stop using the non-int80 vdsos for UML. That may just solve everything in practice.
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