On Thu, Oct 10, 2019 at 05:40:56PM -0700, Sean Christopherson wrote: > Add an assembly trampoline to the basic exit handler to snapshot the > pre-CALL %rsp in order to verify that the stack is 16-byte aligned as > required by the x86_64 ABI. > > Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> I'll rework the existing selftest commit in my tree to use the "non-VDSO" (aka plain EENTER) call path. Please then provide me commits for vDSO selftests. These commits will be their own commits in the patch set. I'll move my selftest commit earlier in the patch set before the vDSO commits. Should be more than obvious why this makes sene, so I skip explaining it but can provide rationale on demand basis. I'll work this change out tomorrow. /Jarkko