From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: [PATCH 1/5] Add functions producing system time given a backing counter value Date: Wed, 29 Jul 2015 12:51:04 +0200 Message-ID: <20150729105104.GN19282@twins.programming.kicks-ass.net> References: <1438044416-15588-1-git-send-email-christopher.s.hall@intel.com> <1438044416-15588-2-git-send-email-christopher.s.hall@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: John Stultz , Christopher Hall , Richard Cochran , Ingo Molnar , Jeff Kirsher , john.ronciak@intel.com, "H. Peter Anvin" , "x86@kernel.org" , lkml , netdev@vger.kernel.org To: Thomas Gleixner Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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?