From owner-svn-src-all@freebsd.org Mon May 23 10:31:55 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 72233B4770B; Mon, 23 May 2016 10:31:55 +0000 (UTC) (envelope-from hselasky@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 41D341036; Mon, 23 May 2016 10:31:55 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u4NAVsb2081313; Mon, 23 May 2016 10:31:54 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u4NAVspJ081312; Mon, 23 May 2016 10:31:54 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201605231031.u4NAVspJ081312@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Mon, 23 May 2016 10:31:54 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r300489 - head/sys/kern 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: Mon, 23 May 2016 10:31:55 -0000 Author: hselasky Date: Mon May 23 10:31:54 2016 New Revision: 300489 URL: https://svnweb.freebsd.org/changeset/base/300489 Log: Use DELAY() instead of _sleep() when SCHEDULER_STOPPED() is set inside pause_sbt(). This allows pause() to continue working during a panic() which is not invoking KDB. This is useful when debugging graphics drivers using the LinuxKPI. Obtained from: kmacy @ MFC after: 1 week Modified: head/sys/kern/kern_synch.c Modified: head/sys/kern/kern_synch.c ============================================================================== --- head/sys/kern/kern_synch.c Mon May 23 09:44:06 2016 (r300488) +++ head/sys/kern/kern_synch.c Mon May 23 10:31:54 2016 (r300489) @@ -327,7 +327,7 @@ pause_sbt(const char *wmesg, sbintime_t if (sbt == 0) sbt = tick_sbt; - if (cold || kdb_active) { + if (cold || kdb_active || SCHEDULER_STOPPED()) { /* * We delay one second at a time to avoid overflowing the * system specific DELAY() function(s):