Guys, please trim email. On Tue, Sep 05, 2017 at 10:31:46AM -0400, Waiman Long wrote: > For clarification, I was actually asking if you consider just adding one > more jump label to skip it for Xen/KVM instead of making > virt_spin_lock() a pv-op.
I don't understand. What performance are you worried about. Native will now do: "xor rax,rax; jnz some_cold_label" that's fairly trival code. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
