> -----Original Message----- > From: Jeff Leung [mailto:jleung@xxxxxxxxxxxxxx] > Sent: Tuesday, December 2, 2014 3:58 PM > To: KY Srinivasan; x86@xxxxxxxxxx; gregkh@xxxxxxxxxxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx; > apw@xxxxxxxxxxxxx; jasowang@xxxxxxxxxx; tglx@xxxxxxxxxxxxx; > hpa@xxxxxxxxx > Cc: stable@xxxxxxxxxxxxxxx > Subject: RE: [PATCH 1/1] X86: Mark the Hyper-V clocksource as being > continuous > > Does this mean that host-to guest timesync now works properly with Linux > guests? > > -- Jeff Jeff, We have had the Hyper-V clocksource for sometime now and this patch just marks this clocksource as being continuous. Nothing has changed with regards to timesynch. Regards, K. Y > > > -----Original Message----- > > From: linux-kernel-owner@xxxxxxxxxxxxxxx > [mailto:linux-kernel-owner@xxxxxxxxxxxxxxx] > > On Behalf Of K. Y. Srinivasan > > Sent: Tuesday, December 2, 2014 17:04 > > To: x86@xxxxxxxxxx; gregkh@xxxxxxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx; > > devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx; apw@xxxxxxxxxxxxx; > > jasowang@xxxxxxxxxx; tglx@xxxxxxxxxxxxx; hpa@xxxxxxxxx > > Cc: K. Y. Srinivasan; stable@xxxxxxxxxxxxxxx > > Subject: [PATCH 1/1] X86: Mark the Hyper-V clocksource as being > continuous > > > > The clocksource based on Hyper-V per-partition reference count MSR is > continuous. Mark > > it accordingly. > > > > Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> > > cc: stable@xxxxxxxxxxxxxxx > > --- > > arch/x86/kernel/cpu/mshyperv.c | 1 + > > 1 files changed, 1 insertions(+), 0 deletions(-) > > > > diff --git a/arch/x86/kernel/cpu/mshyperv.c > b/arch/x86/kernel/cpu/mshyperv.c index > > a450373..939155f 100644 > > --- a/arch/x86/kernel/cpu/mshyperv.c > > +++ b/arch/x86/kernel/cpu/mshyperv.c > > @@ -107,6 +107,7 @@ static struct clocksource hyperv_cs = { > > .rating = 400, /* use this when running on Hyperv*/ > > .read = read_hv_clock, > > .mask = CLOCKSOURCE_MASK(64), > > + .flags = CLOCK_SOURCE_IS_CONTINUOUS, > > }; > > > > static void __init ms_hyperv_init_platform(void) > > -- > > 1.7.4.1 > > > > -- > > To unsubscribe from this list: send the line "unsubscribe > linux-kernel" in the body of a > > message to majordomo@xxxxxxxxxxxxxxx More majordomo info at > > http://vger.kernel.org/majordomo-info.html > > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html