From owner-svn-src-all@FreeBSD.ORG Wed Aug 20 23:37:44 2014 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B9DE04E4; Wed, 20 Aug 2014 23:37:44 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::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 A2615341F; Wed, 20 Aug 2014 23:37:44 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id s7KNbikQ092030; Wed, 20 Aug 2014 23:37:44 GMT (envelope-from np@FreeBSD.org) Received: (from np@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id s7KNbi6K092029; Wed, 20 Aug 2014 23:37:44 GMT (envelope-from np@FreeBSD.org) Message-Id: <201408202337.s7KNbi6K092029@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: np set sender to np@FreeBSD.org using -f From: Navdeep Parhar Date: Wed, 20 Aug 2014 23:37:44 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r270253 - head/sys/dev/netmap X-SVN-Group: head 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: 2.1.18-1 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: Wed, 20 Aug 2014 23:37:44 -0000 Author: np Date: Wed Aug 20 23:37:44 2014 New Revision: 270253 URL: http://svnweb.freebsd.org/changeset/base/270253 Log: Change netmap's global lock to sx instead of a mutex. Reviewed by: luigi@ MFC after: 1 day Modified: head/sys/dev/netmap/netmap_kern.h Modified: head/sys/dev/netmap/netmap_kern.h ============================================================================== --- head/sys/dev/netmap/netmap_kern.h Wed Aug 20 23:34:36 2014 (r270252) +++ head/sys/dev/netmap/netmap_kern.h Wed Aug 20 23:37:44 2014 (r270253) @@ -44,13 +44,13 @@ #define unlikely(x) __builtin_expect((long)!!(x), 0L) #define NM_LOCK_T struct mtx -#define NMG_LOCK_T struct mtx -#define NMG_LOCK_INIT() mtx_init(&netmap_global_lock, \ - "netmap global lock", NULL, MTX_DEF) -#define NMG_LOCK_DESTROY() mtx_destroy(&netmap_global_lock) -#define NMG_LOCK() mtx_lock(&netmap_global_lock) -#define NMG_UNLOCK() mtx_unlock(&netmap_global_lock) -#define NMG_LOCK_ASSERT() mtx_assert(&netmap_global_lock, MA_OWNED) +#define NMG_LOCK_T struct sx +#define NMG_LOCK_INIT() sx_init(&netmap_global_lock, \ + "netmap global lock") +#define NMG_LOCK_DESTROY() sx_destroy(&netmap_global_lock) +#define NMG_LOCK() sx_xlock(&netmap_global_lock) +#define NMG_UNLOCK() sx_xunlock(&netmap_global_lock) +#define NMG_LOCK_ASSERT() sx_assert(&netmap_global_lock, SA_XLOCKED) #define NM_SELINFO_T struct selinfo #define MBUF_LEN(m) ((m)->m_pkthdr.len)