From owner-svn-src-stable@freebsd.org Sat Nov 30 19:52:48 2019 Return-Path: Delivered-To: svn-src-stable@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 8081E1B55D2; Sat, 30 Nov 2019 19:52:48 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47QMVS2rMRz4Pg6; Sat, 30 Nov 2019 19:52:48 +0000 (UTC) (envelope-from np@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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 461F136B8; Sat, 30 Nov 2019 19:52:48 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id xAUJqmvb042393; Sat, 30 Nov 2019 19:52:48 GMT (envelope-from np@FreeBSD.org) Received: (from np@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id xAUJqm8x042392; Sat, 30 Nov 2019 19:52:48 GMT (envelope-from np@FreeBSD.org) Message-Id: <201911301952.xAUJqm8x042392@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: np set sender to np@FreeBSD.org using -f From: Navdeep Parhar Date: Sat, 30 Nov 2019 19:52:48 +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: r355244 - stable/11/sys/dev/cxgbe/common X-SVN-Group: stable-11 X-SVN-Commit-Author: np X-SVN-Commit-Paths: stable/11/sys/dev/cxgbe/common X-SVN-Commit-Revision: 355244 X-SVN-Commit-Repository: base 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: 2.1.29 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: Sat, 30 Nov 2019 19:52:48 -0000 Author: np Date: Sat Nov 30 19:52:47 2019 New Revision: 355244 URL: https://svnweb.freebsd.org/changeset/base/355244 Log: MFC r349956: cxgbe(4): Completely ignore all top level interrupts that are not enabled. The driver used to log any non-zero cause and when running with a single line interrupt it would spam the console/logs with reports of interrupts that are of no interest to anyone. Sponsored by: Chelsio Communications Modified: stable/11/sys/dev/cxgbe/common/t4_hw.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/dev/cxgbe/common/t4_hw.c ============================================================================== --- stable/11/sys/dev/cxgbe/common/t4_hw.c Sat Nov 30 19:35:20 2019 (r355243) +++ stable/11/sys/dev/cxgbe/common/t4_hw.c Sat Nov 30 19:52:47 2019 (r355244) @@ -4021,17 +4021,16 @@ t4_handle_intr(struct adapter *adap, const struct intr bool rc; const struct intr_action *action; - /* read and display cause. */ - cause = t4_read_reg(adap, ii->cause_reg); - if (verbose || cause != 0) - t4_show_intr_info(adap, ii, cause); /* - * The top level interrupt cause is a bit special and we need to ignore - * the bits that are not in the enable. Note that we did display them - * above in t4_show_intr_info but will not clear them. + * Read and display cause. Note that the top level PL_INT_CAUSE is a + * bit special and we need to completely ignore the bits that are not in + * PL_INT_ENABLE. */ + cause = t4_read_reg(adap, ii->cause_reg); if (ii->cause_reg == A_PL_INT_CAUSE) cause &= t4_read_reg(adap, ii->enable_reg); + if (verbose || cause != 0) + t4_show_intr_info(adap, ii, cause); fatal = cause & ii->fatal; if (fatal != 0 && ii->flags & NONFATAL_IF_DISABLED) fatal &= t4_read_reg(adap, ii->enable_reg);