From: Peter Zijlstra <peterz@infradead.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>,
Christopher Hall <christopher.s.hall@intel.com>,
Richard Cochran <richardcochran@gmail.com>,
Ingo Molnar <mingo@redhat.com>,
Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
john.ronciak@intel.com, "H. Peter Anvin" <hpa@zytor.com>,
"x86@kernel.org" <x86@kernel.org>,
lkml <linux-kernel@vger.kernel.org>,
netdev@vger.kernel.org
Subject: Re: [PATCH 1/5] Add functions producing system time given a backing counter value
Date: Wed, 29 Jul 2015 12:51:04 +0200 [thread overview]
Message-ID: <20150729105104.GN19282@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <alpine.DEB.2.11.1507291222190.3825@nanos>
On Wed, Jul 29, 2015 at 12:23:27PM +0200, Thomas Gleixner wrote:
> +/*
> + * CHECKME: Do we need the adjust value? It should be 0, but if we run
> + * in a VM this might be a different story.
> + */
> +static u64 tsc_adjust;
Urgh, VMs have !0 values here?
next prev parent reply other threads:[~2015-07-29 10:51 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-28 0:46 [PATCH 0/5] Patchset enabling hardware based cross-timestamps for next gen Intel platforms Christopher Hall
2015-07-28 0:46 ` [PATCH 1/5] Add functions producing system time given a backing counter value Christopher Hall
2015-07-28 3:44 ` John Stultz
2015-07-28 4:05 ` John Stultz
2015-07-29 10:19 ` Thomas Gleixner
2015-07-29 10:23 ` Thomas Gleixner
2015-07-29 10:51 ` Peter Zijlstra [this message]
2015-07-29 12:30 ` Richard Cochran
2015-07-29 10:49 ` Peter Zijlstra
2015-07-29 11:48 ` Richard Cochran
2015-07-29 12:35 ` Peter Zijlstra
2015-07-29 12:52 ` Thomas Gleixner
2015-07-29 1:41 ` Hall, Christopher S
2015-07-29 14:05 ` Thomas Gleixner
2015-07-28 0:46 ` [PATCH 2/5] Added functions mapping TSC value to system time Christopher Hall
2015-07-28 0:46 ` [PATCH 3/5] Add calls to translate Always Running Timer (ART) " Christopher Hall
2015-07-28 1:32 ` Andy Lutomirski
2015-07-29 1:18 ` Hall, Christopher S
2015-07-29 1:47 ` Andy Lutomirski
2015-07-28 4:11 ` John Stultz
2015-07-29 2:05 ` Hall, Christopher S
2015-07-29 8:25 ` Paul Bolle
2015-07-28 0:46 ` [PATCH 4/5] Add support for driver cross-timestamp to PTP_SYS_OFFSET ioctl Christopher Hall
2015-07-28 0:46 ` [PATCH 5/5] Enables cross timestamping in the e1000e driver Christopher Hall
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