From owner-svn-src-head@freebsd.org Mon Feb 10 13:52:26 2020 Return-Path: Delivered-To: svn-src-head@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 72B6B23B1FA; Mon, 10 Feb 2020 13:52:26 +0000 (UTC) (envelope-from mjg@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 48GS5Q2TVsz4WRd; Mon, 10 Feb 2020 13:52:26 +0000 (UTC) (envelope-from mjg@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 505D020169; Mon, 10 Feb 2020 13:52:26 +0000 (UTC) (envelope-from mjg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 01ADqQDh039004; Mon, 10 Feb 2020 13:52:26 GMT (envelope-from mjg@FreeBSD.org) Received: (from mjg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 01ADqQLh039003; Mon, 10 Feb 2020 13:52:26 GMT (envelope-from mjg@FreeBSD.org) Message-Id: <202002101352.01ADqQLh039003@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mjg set sender to mjg@FreeBSD.org using -f From: Mateusz Guzik Date: Mon, 10 Feb 2020 13:52:26 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r357728 - head/sys/sys X-SVN-Group: head X-SVN-Commit-Author: mjg X-SVN-Commit-Paths: head/sys/sys X-SVN-Commit-Revision: 357728 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: 2.1.29 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: Mon, 10 Feb 2020 13:52:26 -0000 Author: mjg Date: Mon Feb 10 13:52:25 2020 New Revision: 357728 URL: https://svnweb.freebsd.org/changeset/base/357728 Log: Tidy up zpcpu_replace* - only compute the target address once - remove spurious type casting, zpcpu_get already return the correct type While here add missing newlines to other routines. Modified: head/sys/sys/pcpu.h Modified: head/sys/sys/pcpu.h ============================================================================== --- head/sys/sys/pcpu.h Mon Feb 10 13:24:14 2020 (r357727) +++ head/sys/sys/pcpu.h Mon Feb 10 13:52:25 2020 (r357728) @@ -245,32 +245,41 @@ extern struct pcpu *cpuid_to_pcpu[]; * If you need atomicity use xchg. * */ #define zpcpu_replace(base, val) ({ \ - __typeof(val) _old = *(__typeof(base))zpcpu_get(base); \ - *(__typeof(val) *)zpcpu_get(base) = val; \ + __typeof(val) *_ptr = zpcpu_get(base); \ + __typeof(val) _old; \ + \ + _old = *_ptr; \ + *_ptr = val; \ _old; \ }) #define zpcpu_replace_cpu(base, val, cpu) ({ \ - __typeof(val) _old = *(__typeof(base))zpcpu_get_cpu(base, cpu); \ - *(__typeof(val) *)zpcpu_get_cpu(base, cpu) = val; \ + __typeof(val) *_ptr = zpcpu_get_cpu(base, cpu); \ + __typeof(val) _old; \ + \ + _old = *_ptr; \ + *_ptr = val; \ _old; \ }) #define zpcpu_set_protected(base, val) ({ \ MPASS(curthread->td_critnest > 0); \ __typeof(val) *_ptr = zpcpu_get(base); \ + \ *_ptr = (val); \ }) #define zpcpu_add_protected(base, val) ({ \ MPASS(curthread->td_critnest > 0); \ __typeof(val) *_ptr = zpcpu_get(base); \ + \ *_ptr += (val); \ }) #define zpcpu_sub_protected(base, val) ({ \ MPASS(curthread->td_critnest > 0); \ __typeof(val) *_ptr = zpcpu_get(base); \ + \ *_ptr -= (val); \ })