From: Jan Kara Subject: [PATCH 1/2] printk: Debug patch1 Date: Fri, 10 Oct 2014 16:23:29 +0200 Message-ID: <1412951028-4085-25-git-send-email-jack@suse.cz> References: <1412951028-4085-1-git-send-email-jack@suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Dave Kleikamp , jfs-discussion@lists.sourceforge.net, tytso@mit.edu, Jeff Mahoney , Mark Fasheh , Dave Chinner , reiserfs-devel@vger.kernel.org, xfs@oss.sgi.com, cluster-devel@redhat.com, Joel Becker , Jan Kara , linux-ext4@vger.kernel.org, Steven Whitehouse , ocfs2-devel@oss.oracle.com, viro@zeniv.linux.org.uk To: linux-fsdevel@vger.kernel.org Return-path: In-Reply-To: <1412951028-4085-1-git-send-email-jack@suse.cz> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: jfs-discussion-bounces@lists.sourceforge.net List-Id: linux-ext4.vger.kernel.org Signed-off-by: Jan Kara --- kernel/printk/printk.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index ea2d5f6962ed..a39f4129f848 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -1718,7 +1718,6 @@ asmlinkage int vprintk_emit(int facility, int level, logbuf_cpu = UINT_MAX; raw_spin_unlock(&logbuf_lock); - lockdep_on(); local_irq_restore(flags); /* If called from the scheduler, we can not call up(). */ @@ -1738,6 +1737,9 @@ asmlinkage int vprintk_emit(int facility, int level, if (console_trylock_for_printk()) console_unlock(); preempt_enable(); + local_irq_save(flags); + lockdep_on(); + local_irq_restore(flags); return printed_len; } -- 1.8.1.4 ------------------------------------------------------------------------------ Meet PCI DSS 3.0 Compliance Requirements with EventLog Analyzer Achieve PCI DSS 3.0 Compliant Status with Out-of-the-box PCI DSS Reports Are you Audit-Ready for PCI DSS 3.0 Compliance? Download White paper Comply to PCI DSS 3.0 Requirement 10 and 11.5 with EventLog Analyzer http://pubads.g.doubleclick.net/gampad/clk?id=154622311&iu=/4140/ostg.clktrk