From owner-svn-src-all@freebsd.org Thu Aug 18 09:30:56 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 D83D9BBCF4B; Thu, 18 Aug 2016 09:30:56 +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 A86C51CF3; Thu, 18 Aug 2016 09:30:56 +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 u7I9Utaf094753; Thu, 18 Aug 2016 09:30:55 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u7I9UtAQ094752; Thu, 18 Aug 2016 09:30:55 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201608180930.u7I9UtAQ094752@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 09:30:55 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r304365 - stable/11/sys/dev/ntb/ntb_hw X-SVN-Group: stable-11 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: Thu, 18 Aug 2016 09:30:56 -0000 Author: mav Date: Thu Aug 18 09:30:55 2016 New Revision: 304365 URL: https://svnweb.freebsd.org/changeset/base/304365 Log: MFC r303266: Postpone ntb_get_msix_info() till we need to negotiate MSIX. Calling it earlier increases the window when MSIX info may change. This change does not solve the problem completely, but seems logical. Complete solution should probably include link reset in case of MSIX remap to trigger new negotiation, but we have no way to get notified about that now. Modified: stable/11/sys/dev/ntb/ntb_hw/ntb_hw.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/dev/ntb/ntb_hw/ntb_hw.c ============================================================================== --- stable/11/sys/dev/ntb/ntb_hw/ntb_hw.c Thu Aug 18 09:30:21 2016 (r304364) +++ stable/11/sys/dev/ntb/ntb_hw/ntb_hw.c Thu Aug 18 09:30:55 2016 (r304365) @@ -1084,8 +1084,6 @@ ntb_init_isr(struct ntb_softc *ntb) ntb_create_msix_vec(ntb, num_vectors); rc = ntb_setup_msix(ntb, num_vectors); - if (rc == 0 && HAS_FEATURE(ntb, NTB_SB01BASE_LOCKUP)) - ntb_get_msix_info(ntb); } if (rc != 0) { device_printf(ntb->device, @@ -2715,6 +2713,7 @@ ntb_exchange_msix(void *ctx) if (ntb->peer_msix_done) goto msix_done; + ntb_get_msix_info(ntb); for (i = 0; i < XEON_NONLINK_DB_MSIX_BITS; i++) { ntb_peer_spad_write(ntb->device, NTB_MSIX_DATA0 + i, ntb->msix_data[i].nmd_data);