On Fri, Oct 06, 2017 at 09:35:16AM +0200, Vitaly Kuznetsov wrote: > Josh Poimboeuf <jpoimboe@xxxxxxxxxx> writes: > > > - For the most common runtime cases (everything except Xen and vSMP), > > vmlinux disassembly now matches what the actual runtime code looks > > like. This improves debuggability and kernel developer sanity (a > > precious resource). > > > > ... > > > > - It's hopefully a first step in simplifying paravirt patching by > > getting rid of .parainstructions, pv ops, and apply_paravirt() > > completely. (I think Xen can be changed to set CPU feature bits to > > specify which ops it needs during early boot, then those ops can be > > patched in using early alternatives.) > > JFYI starting 4.14 Xen PV is not the only user of pv_mmu_ops, Hyper-V > uses it for TLB shootdown now. Yeah, I saw that. It should be fine because the pv_alternatives get patched before the Hyper-V code sets up pv_mmu_ops. -- Josh -- 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
