On Wed, Sep 06, 2017 at 11:49:49AM -0400, Waiman Long wrote: > > #define virt_spin_lock virt_spin_lock > > static inline bool virt_spin_lock(struct qspinlock *lock) > > { > > + if (!static_branch_likely(&virt_spin_lock_key)) > > + return false; > > if (!static_cpu_has(X86_FEATURE_HYPERVISOR)) > > return false; > >
Now native has two NOPs instead of one. Can't we merge these two static branches? _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel