From owner-svn-src-head@freebsd.org Tue May 22 05:49:41 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D3A77EE7B4F; Tue, 22 May 2018 05:49:41 +0000 (UTC) (envelope-from mmacy@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 89BAE84682; Tue, 22 May 2018 05:49:41 +0000 (UTC) (envelope-from mmacy@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 66D137F6F; Tue, 22 May 2018 05:49:41 +0000 (UTC) (envelope-from mmacy@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w4M5nf1t071872; Tue, 22 May 2018 05:49:41 GMT (envelope-from mmacy@FreeBSD.org) Received: (from mmacy@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w4M5nfVJ071871; Tue, 22 May 2018 05:49:41 GMT (envelope-from mmacy@FreeBSD.org) Message-Id: <201805220549.w4M5nfVJ071871@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mmacy set sender to mmacy@FreeBSD.org using -f From: Matt Macy Date: Tue, 22 May 2018 05:49:41 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r334020 - head/sys/sys X-SVN-Group: head X-SVN-Commit-Author: mmacy X-SVN-Commit-Paths: head/sys/sys X-SVN-Commit-Revision: 334020 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 May 2018 05:49:42 -0000 Author: mmacy Date: Tue May 22 05:49:40 2018 New Revision: 334020 URL: https://svnweb.freebsd.org/changeset/base/334020 Log: pmc: annotate locking for po_ssnext in pmc_owner Modified: head/sys/sys/pmc.h Modified: head/sys/sys/pmc.h ============================================================================== --- head/sys/sys/pmc.h Tue May 22 05:21:53 2018 (r334019) +++ head/sys/sys/pmc.h Tue May 22 05:49:40 2018 (r334020) @@ -657,6 +657,8 @@ struct pmc_op_getdyneventinfo { * (b) - pmc_bufferlist_mtx (spin lock) * (k) - pmc_kthread_mtx (sleep lock) * (o) - po->po_mtx (spin lock) + * (g) - global_epoch_preempt (epoch) + * (p) - pmc_sx (sx) */ /* @@ -852,7 +854,7 @@ struct pmc_process { struct pmc_owner { LIST_ENTRY(pmc_owner) po_next; /* hash chain */ - CK_LIST_ENTRY(pmc_owner) po_ssnext; /* list of SS PMC owners */ + CK_LIST_ENTRY(pmc_owner) po_ssnext; /* (g/p) list of SS PMC owners */ LIST_HEAD(, pmc) po_pmcs; /* owned PMC list */ TAILQ_HEAD(, pmclog_buffer) po_logbuffers; /* (o) logbuffer list */ struct mtx po_mtx; /* spin lock for (o) */