From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757660Ab1CBBV1 (ORCPT ); Tue, 1 Mar 2011 20:21:27 -0500 Received: from dakia2.marvell.com ([65.219.4.35]:52231 "EHLO dakia2.marvell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755732Ab1CBBVZ (ORCPT ); Tue, 1 Mar 2011 20:21:25 -0500 X-ASG-Debug-ID: 1299028884-082c657e0001-xx1T2L X-Barracuda-Envelope-From: bzhao@marvell.com From: Bing Zhao To: linux-kernel@vger.kernel.org Cc: linux-wireless@vger.kernel.org, Joe Perches , "John W. Linville" , Johannes Berg , Amitkumar Karwar , Kiran Divekar , Frank Huang , Bing Zhao X-ASG-Orig-Subj: [RFC v3 1/2] dynamic debug: add dynamic_hexdump_debug macro Subject: [RFC v3 1/2] dynamic debug: add dynamic_hexdump_debug macro Date: Tue, 1 Mar 2011 17:24:09 -0800 X-ASG-Orig-Subj: [RFC v3 1/2] dynamic debug: add dynamic_hexdump_debug macro Message-Id: <1299029050-32242-1-git-send-email-bzhao@marvell.com> X-Mailer: git-send-email 1.7.0.2 X-Barracuda-Connect: maili.marvell.com[10.68.76.51] X-Barracuda-Start-Time: 1299028884 X-Barracuda-URL: http://10.68.76.222:80/cgi-mod/mark.cgi X-Barracuda-Spam-Score: -1002.00 X-Barracuda-Spam-Status: No, SCORE=-1002.00 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=1000.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org dynamic_hexdump_debug(str, buf, len) str: "prefix string" buf: buffer pointer len: length of the buffer being printed Signed-off-by: Bing Zhao --- v3: use "str" as prefix string (Joe Perches) v2: rebase against linux-next.git tree and split into 2 patches include/linux/dynamic_debug.h | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index 0c9653f..06a7fed 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -70,6 +70,17 @@ extern int __dynamic_pr_debug(struct _ddebug *descriptor, const char *fmt, ...) dev_printk(KERN_DEBUG, dev, fmt, ##__VA_ARGS__); \ } while (0) +#define dynamic_hexdump_debug(str, buf, len) \ +do { \ + static struct _ddebug descriptor \ + __used \ + __attribute__((section("__verbose"), aligned(8))) = \ + { KBUILD_MODNAME, __func__, __FILE__, str, __LINE__, \ + _DPRINTK_FLAGS_DEFAULT }; \ + if (unlikely(descriptor.enabled)) \ + print_hex_dump_bytes(str, DUMP_PREFIX_OFFSET, buf, len);\ +} while (0) + #else static inline int ddebug_remove_module(const char *mod) @@ -81,6 +92,9 @@ static inline int ddebug_remove_module(const char *mod) do { if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); } while (0) #define dynamic_dev_dbg(dev, fmt, ...) \ do { if (0) dev_printk(KERN_DEBUG, dev, fmt, ##__VA_ARGS__); } while (0) +#define dynamic_hexdump_debug(str, buf, len) \ + do { if (0) print_hex_dump_bytes(str, DUMP_PREFIX_OFFSET, \ + buf, len); } while (0) #endif #endif -- 1.6.2.5