Messages in this thread | | | Date | Wed, 3 Apr 2024 14:36:41 -0700 | Subject | Re: [PATCH v19 007/130] x86/virt/tdx: Export SEAMCALL functions | From | Sean Christopherson <> |
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On Wed, Mar 20, 2024, Dave Hansen wrote: > On 3/20/24 05:09, Huang, Kai wrote: > > I can try to do if you guys believe this should be done, and should be done > > earlier than later, but I am not sure _ANY_ optimization around SEAMCALL will > > have meaningful performance improvement. > > I don't think Sean had performance concerns. > > I think he was having a justifiably violent reaction to how much more > complicated the generated code is to do a SEAMCALL versus a good ol' KVM > hypercall.
Yep. The code essentially violates the principle of least surprise. I genuinely thought I was dumping the wrong function(s) when I first looked at the output.
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