From owner-svn-src-all@freebsd.org Wed May 4 13:50:00 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 93A58B2C30F; Wed, 4 May 2016 13:50:00 +0000 (UTC) (envelope-from royger@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 64B301B19; Wed, 4 May 2016 13:50:00 +0000 (UTC) (envelope-from royger@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u44DnxLK092768; Wed, 4 May 2016 13:49:59 GMT (envelope-from royger@FreeBSD.org) Received: (from royger@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u44DnxjD092767; Wed, 4 May 2016 13:49:59 GMT (envelope-from royger@FreeBSD.org) Message-Id: <201605041349.u44DnxjD092767@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: royger set sender to royger@FreeBSD.org using -f From: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Date: Wed, 4 May 2016 13:49:59 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r299065 - head/sys/dev/xen/timer X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 May 2016 13:50:00 -0000 Author: royger Date: Wed May 4 13:49:59 2016 New Revision: 299065 URL: https://svnweb.freebsd.org/changeset/base/299065 Log: xen/pvclock: set the correct resolution for the Xen PV clock The Xen PV clock has a resolution of 1ns, so set the resolution to the highest one that FreeBSD supports, which is 1us. MFC after: 2 weeks Sponsored by: Citrix Systems R&D Modified: head/sys/dev/xen/timer/timer.c Modified: head/sys/dev/xen/timer/timer.c ============================================================================== --- head/sys/dev/xen/timer/timer.c Wed May 4 13:48:59 2016 (r299064) +++ head/sys/dev/xen/timer/timer.c Wed May 4 13:49:59 2016 (r299065) @@ -77,7 +77,12 @@ static devclass_t xentimer_devclass; /* Xen timers may fire up to 100us off */ #define XENTIMER_MIN_PERIOD_IN_NSEC 100*NSEC_IN_USEC -#define XENCLOCK_RESOLUTION 1000001 /* ATRTC resolution + 1 */ + +/* + * The real resolution of the PV clock is 1ns, but the highest + * resolution that FreeBSD supports is 1us, so just use that. + */ +#define XENCLOCK_RESOLUTION 1 #define XENTIMER_QUALITY 950