> 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.
Alright, that cleared up that question. Gleaning around from the source tree, I don't seem to comprehend what changes are being made when the clock source has the flag CLOCK_SOURCE_IS_CONTINUOUS marked. > Regards, > > K. Y > > > > > > -----Original Message----- > > > From: linux-kernel-ow...@vger.kernel.org > > [mailto:linux-kernel-ow...@vger.kernel.org] > > > On Behalf Of K. Y. Srinivasan > > > Sent: Tuesday, December 2, 2014 17:04 > > > To: x...@kernel.org; gre...@linuxfoundation.org; > > linux-kernel@vger.kernel.org; > > > de...@linuxdriverproject.org; o...@aepfle.de; a...@canonical.com; > > > jasow...@redhat.com; t...@linutronix.de; h...@zytor.com > > > Cc: K. Y. Srinivasan; sta...@vger.kernel.org > > > 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 <k...@microsoft.com> > > > cc: sta...@vger.kernel.org > > > --- > > > 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 majord...@vger.kernel.org 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 linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
