On Mon, Dec 20, 2021 at 09:31:36PM +0100, Pavel Machek wrote: > Hi! > > > From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > > > > [ Upstream commit 1dc2f2b81a6a9895da59f3915760f6c0c3074492 ] > > > > The hyperv utilities use PTP clock interfaces and should depend a > > a kconfig symbol such that they will be built as a loadable module or > > builtin so that linker errors do not happen. > > > > Prevents these build errors: > > > > ld: drivers/hv/hv_util.o: in function `hv_timesync_deinit': > > hv_util.c:(.text+0x37d): undefined reference to `ptp_clock_unregister' > > ld: drivers/hv/hv_util.o: in function `hv_timesync_init': > > hv_util.c:(.text+0x738): undefined reference to `ptp_clock_register' > > This is bad idea for 4.19: > > > +++ b/drivers/hv/Kconfig > > @@ -16,6 +16,7 @@ config HYPERV_TSCPAGE > > config HYPERV_UTILS > > tristate "Microsoft Hyper-V Utilities driver" > > depends on HYPERV && CONNECTOR && NLS > > + depends on PTP_1588_CLOCK_OPTIONAL > > help > > Select this option to enable the Hyper-V Utilities. > > grep -ri PTP_1588_CLOCK_OPTIONAL . > > Results in no result in 4.19. So this will break hyperv. No results in > 5.10, either, so it is bad idea there, too. Thanks, I will go delete it from all queues. greg k-h