On Fri, Jan 25, 2019 at 7:42 AM Sean Christopherson <sean.j.christopherson@xxxxxxxxx> wrote: > > ...and remove struct vcpu_vmx's temporary __launched variable. > > Eliminating __launched is a bonus, the real motivation is to get to the > point where the only reference to struct vcpu_vmx in the asm code is > to vcpu.arch.regs, which will simplify moving the blob to a proper asm > file. Note that also means this approach is deliberately different than > what is used in nested_vmx_check_vmentry_hw(). > > Use BL as it is a non-volatile register in both 32-bit and 64-bit ABIs, > i.e. it can't be modified by vmx_update_host_rsp(), to avoid having to > temporarily save/restore the launched flag. > > Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>
