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Message-ID: <20180406010954.GA4400@lerouge> Date: Fri, 6 Apr 2018 03:09:55 +0200 From: Frederic Weisbecker <frederic@...nel.org> To: "Rafael J. Wysocki" <rjw@...ysocki.net> Cc: Linux PM <linux-pm@...r.kernel.org>, Peter Zijlstra <peterz@...radead.org>, Frederic Weisbecker <fweisbec@...il.com>, Thomas Gleixner <tglx@...utronix.de>, Paul McKenney <paulmck@...ux.vnet.ibm.com>, Thomas Ilsche <thomas.ilsche@...dresden.de>, Doug Smythies <dsmythies@...us.net>, Rik van Riel <riel@...riel.com>, Aubrey Li <aubrey.li@...ux.intel.com>, Mike Galbraith <mgalbraith@...e.de>, LKML <linux-kernel@...r.kernel.org>, Len Brown <len.brown@...el.com> Subject: Re: [PATCH v9 04/10] jiffies: Introduce USER_TICK_USEC and redefine TICK_USEC On Wed, Apr 04, 2018 at 10:38:34AM +0200, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@...el.com> > > Since the subsequent changes will need a TICK_USEC definition > analogous to TICK_NSEC, rename the existing TICK_USEC as > USER_TICK_USEC, update its users and redefine TICK_USEC > accordingly. > > Suggested-by: Peter Zijlstra <peterz@...radead.org> > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com> > --- > > v8 -> v9: No changes. > > --- > drivers/net/ethernet/sfc/mcdi.c | 2 +- > include/linux/jiffies.h | 7 +++++-- > kernel/time/ntp.c | 2 +- > 3 files changed, 7 insertions(+), 4 deletions(-) > > Index: linux-pm/include/linux/jiffies.h > =================================================================== > --- linux-pm.orig/include/linux/jiffies.h > +++ linux-pm/include/linux/jiffies.h > @@ -62,8 +62,11 @@ extern int register_refined_jiffies(long > /* TICK_NSEC is the time between ticks in nsec assuming SHIFTED_HZ */ > #define TICK_NSEC ((NSEC_PER_SEC+HZ/2)/HZ) > > -/* TICK_USEC is the time between ticks in usec assuming fake USER_HZ */ > -#define TICK_USEC ((1000000UL + USER_HZ/2) / USER_HZ) > +/* TICK_USEC is the time between ticks in usec assuming SHIFTED_HZ */ > +#define TICK_USEC ((USEC_PER_SEC + HZ/2) / HZ) Nit: SHIFTED_HZ doesn't seem to exist anymore. Reviewed-by: Frederic Weisbecker <frederic@...nel.org>
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