Messages in this thread |  | | Date | Thu, 15 Mar 2018 20:28:59 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH v3 7/7] x86/kvm: use Enlightened VMCS when running on Hyper-V |
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On Thu, 15 Mar 2018, Radim Krčmář wrote: > 2018-03-15 16:19+0100, Vitaly Kuznetsov: > > This works. But hell, this is a crude hack :-) Not sure if there's a > > cleaner way to find what needs to be patched without something like jump > > label table ... > > Yeah, I can see us accidently patching parts of other instructions. :) > > The target instruction address can be made into a C-accessible symbol > with the same trick that vmx_return uses -- add a .global containing the > address of a label (not sure if a more direct approach would work). > > The evil in me likes it. (The good is too lazy to add a decent patching > infrastructure for just one user.)
Can we just use jump labels please? There is agreement that 4.17 will have a dependency on a jump label capable compiler for x86.
Thanks,
tglx
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