From owner-svn-src-stable@freebsd.org Thu Aug 18 11:03:22 2016 Return-Path: Delivered-To: svn-src-stable@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 B8132BBEF79; Thu, 18 Aug 2016 11:03:22 +0000 (UTC) (envelope-from mav@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 8A9DD1B1D; Thu, 18 Aug 2016 11:03:22 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u7IB3LE4034951; Thu, 18 Aug 2016 11:03:21 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u7IB3LXr034950; Thu, 18 Aug 2016 11:03:21 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201608181103.u7IB3LXr034950@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Thu, 18 Aug 2016 11:03:21 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r304409 - stable/10/sys/dev/ntb/ntb_hw X-SVN-Group: stable-10 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Aug 2016 11:03:22 -0000 Author: mav Date: Thu Aug 18 11:03:21 2016 New Revision: 304409 URL: https://svnweb.freebsd.org/changeset/base/304409 Log: MFC r303554: Block MSIX negotiation until SMP started and IRQ reshuffled. Modified: stable/10/sys/dev/ntb/ntb_hw/ntb_hw.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/dev/ntb/ntb_hw/ntb_hw.c ============================================================================== --- stable/10/sys/dev/ntb/ntb_hw/ntb_hw.c Thu Aug 18 11:02:42 2016 (r304408) +++ stable/10/sys/dev/ntb/ntb_hw/ntb_hw.c Thu Aug 18 11:03:21 2016 (r304409) @@ -2625,6 +2625,17 @@ intel_ntb_user_mw_to_idx(struct ntb_soft return (uidx); } +static int msix_ready; + +static void +intel_ntb_msix_ready(void *arg __unused) +{ + + msix_ready = 1; +} +SYSINIT(intel_ntb_msix_ready, SI_SUB_SMP, SI_ORDER_ANY, + intel_ntb_msix_ready, NULL); + static void intel_ntb_exchange_msix(void *ctx) { @@ -2639,6 +2650,10 @@ intel_ntb_exchange_msix(void *ctx) if (ntb->peer_msix_done) goto msix_done; + /* Block MSIX negotiation until SMP started and IRQ reshuffled. */ + if (!msix_ready) + goto reschedule; + intel_ntb_get_msix_info(ntb); for (i = 0; i < XEON_NONLINK_DB_MSIX_BITS; i++) { intel_ntb_peer_spad_write(ntb->device, NTB_MSIX_DATA0 + i,