On Wed, Aug 09, 2017 at 10:49:43AM +0200, Juergen Gross wrote: > > ALTERNATIVE "pushfq; popq %rax", "callq *pv_irq_ops.save_fl", > > X86_FEATURE_GODDAMN_PV_IRQ_OPS > > You are aware that at least some of the Xen irq pvops functionality is > patched inline? Your modification would slow down pv guests quite a > bit, I guess. Where does that live? I know of the inline patching for native, but didn't know the guests did any of that too. -- To unsubscribe from this list: send the line "unsubscribe live-patching" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html