From owner-cvs-src-old@FreeBSD.ORG Mon Apr 4 17:00:59 2011 Return-Path: Delivered-To: cvs-src-old@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6BBB3106566B for ; Mon, 4 Apr 2011 17:00:59 +0000 (UTC) (envelope-from jkim@FreeBSD.org) Received: from repoman.freebsd.org (repoman.freebsd.org [IPv6:2001:4f8:fff6::29]) by mx1.freebsd.org (Postfix) with ESMTP id 4188D8FC12 for ; Mon, 4 Apr 2011 17:00:59 +0000 (UTC) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.14.4/8.14.4) with ESMTP id p34H0x9v052659 for ; Mon, 4 Apr 2011 17:00:59 GMT (envelope-from jkim@repoman.freebsd.org) Received: (from svn2cvs@localhost) by repoman.freebsd.org (8.14.4/8.14.4/Submit) id p34H0xR6052657 for cvs-src-old@freebsd.org; Mon, 4 Apr 2011 17:00:59 GMT (envelope-from jkim@repoman.freebsd.org) Message-Id: <201104041700.p34H0xR6052657@repoman.freebsd.org> X-Authentication-Warning: repoman.freebsd.org: svn2cvs set sender to jkim@repoman.freebsd.org using -f From: Jung-uk Kim Date: Mon, 4 Apr 2011 17:00:50 +0000 (UTC) To: cvs-src-old@freebsd.org X-FreeBSD-CVS-Branch: HEAD Subject: cvs commit: src/sys/dev/acpica acpi_timer.c X-BeenThere: cvs-src-old@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: **OBSOLETE** CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Apr 2011 17:00:59 -0000 jkim 2011-04-04 17:00:50 UTC FreeBSD src repository Modified files: sys/dev/acpica acpi_timer.c Log: SVN rev 220333 on 2011-04-04 17:00:50Z by jkim Lower the bar for ACPI-fast on virtual machines. The current logic depends on the fact that real hardware has almost fixed cost to read the ACPI timer. It is virtually always false for hardware emulation and it makes no sense to read it multiple times, which is already quite expensive for full emulation. Revision Changes Path 1.45 +3 -2 src/sys/dev/acpica/acpi_timer.c