From owner-svn-src-stable@freebsd.org  Wed Nov  8 12:07:03 2017
Return-Path: <owner-svn-src-stable@freebsd.org>
Delivered-To: svn-src-stable@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 2D99AE51258;
 Wed,  8 Nov 2017 12:07:03 +0000 (UTC) (envelope-from kib@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 EBFEB7749B;
 Wed,  8 Nov 2017 12:07:02 +0000 (UTC) (envelope-from kib@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id vA8C714R044399;
 Wed, 8 Nov 2017 12:07:01 GMT (envelope-from kib@FreeBSD.org)
Received: (from kib@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id vA8C71xd044398;
 Wed, 8 Nov 2017 12:07:01 GMT (envelope-from kib@FreeBSD.org)
Message-Id: <201711081207.vA8C71xd044398@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org
 using -f
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Wed, 8 Nov 2017 12:07:01 +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: r325548 - stable/11/sys/dev/hwpmc
X-SVN-Group: stable-11
X-SVN-Commit-Author: kib
X-SVN-Commit-Paths: stable/11/sys/dev/hwpmc
X-SVN-Commit-Revision: 325548
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: 2.1.23
Precedence: list
List-Id: SVN commit messages for all the -stable branches of the src tree
 <svn-src-stable.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-stable>, 
 <mailto:svn-src-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-stable/>
List-Post: <mailto:svn-src-stable@freebsd.org>
List-Help: <mailto:svn-src-stable-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-stable>,
 <mailto:svn-src-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 08 Nov 2017 12:07:03 -0000

Author: kib
Date: Wed Nov  8 12:07:01 2017
New Revision: 325548
URL: https://svnweb.freebsd.org/changeset/base/325548

Log:
  MFC r325274:
  There is no use for dropping Giant in the pmc syscall.

Modified:
  stable/11/sys/dev/hwpmc/hwpmc_mod.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/dev/hwpmc/hwpmc_mod.c
==============================================================================
--- stable/11/sys/dev/hwpmc/hwpmc_mod.c	Wed Nov  8 12:03:11 2017	(r325547)
+++ stable/11/sys/dev/hwpmc/hwpmc_mod.c	Wed Nov  8 12:07:01 2017	(r325548)
@@ -2860,8 +2860,6 @@ pmc_syscall_handler(struct thread *td, void *syscall_a
 
 	PMC_GET_SX_XLOCK(ENOSYS);
 
-	DROP_GIANT();
-
 	is_sx_downgraded = 0;
 	is_sx_locked = 1;
 
@@ -4033,8 +4031,6 @@ pmc_syscall_handler(struct thread *td, void *syscall_a
 
 	if (error)
 		atomic_add_int(&pmc_stats.pm_syscall_errors, 1);
-
-	PICKUP_GIANT();
 
 	return (error);
 }