From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 02 Feb 2023 13:59:08 +0100 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1pNZBF-00BOQJ-U9 for lore@lore.pengutronix.de; Thu, 02 Feb 2023 13:59:08 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pNZBD-0006h7-A2 for lore@pengutronix.de; Thu, 02 Feb 2023 13:59:07 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=liIJzEwcYOOTDh1jV3I3HbbNQNj+C+vi0m4k8aSMCE4=; b=VggTyfM9FFZu+lnRy5RALrG64J e2hXnTtjunKWMDD6UG0lPzCzinKgQ6ODg60fVR/ufPjj6Rv+qtqnFOYTrjkajnKh6ZVhJutV5+0Kp EugCE7PjzR9Gm6AiNe9OZNQDGtKmjZOZZnec11cJmgLQUJKLEPuc6qaLdn/kd2z4t3dZxTS6xMM3c fm9drDsfQa2Ausbz40FpseWcoMCQNEj7BJuWXxJxUjBHxaSkby4sBiJeCE75E5zM6gPyvQjBf/C30 cxLNfrHvrLZEthvRk8DgNK0lpcW8KYUqw3x2ntmhnquV7Jf0Yi4gLsIU/GnJeCPit4K12ATxV2m0h T+v9igKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pNZ9u-00FuIN-LX; Thu, 02 Feb 2023 12:57:46 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pNZ9q-00FuH1-On for barebox@lists.infradead.org; Thu, 02 Feb 2023 12:57:44 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pNZ9p-0006OY-37; Thu, 02 Feb 2023 13:57:41 +0100 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1pNZ9n-002Ayf-8c; Thu, 02 Feb 2023 13:57:40 +0100 Received: from afa by dude05.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pNZ9n-000yfH-Dh; Thu, 02 Feb 2023 13:57:39 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Thu, 2 Feb 2023 13:57:36 +0100 Message-Id: <20230202125738.233147-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230202_045742_833947_3FF5F989 X-CRM114-Status: UNSURE ( 7.70 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH master 1/3] include: linux/printk: implement pr_*_once macros X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) These are useful as a less verbose alternative to WARN_ONCE, which also prints a stack trace if possible. Signed-off-by: Ahmad Fatoum --- include/linux/printk.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/include/linux/printk.h b/include/linux/printk.h index 2fd6551e0ccb..a9d1b05f6f0f 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -94,6 +94,15 @@ static inline int dev_err_probe(struct device *dev, int err, const char *fmt, (level) <= LOGLEVEL ? pr_print((level), (format), ##args) : 0; \ }) +#define __pr_printk_once(level, format, args...) do { \ + static bool __print_once; \ + \ + if (!__print_once && (level) <= LOGLEVEL) { \ + __print_once = true; \ + pr_print((level), (format), ##args); \ + } \ +} while (0) + #ifndef pr_fmt #define pr_fmt(fmt) fmt #endif @@ -110,7 +119,18 @@ static inline int dev_err_probe(struct device *dev, int err, const char *fmt, #define pr_vdebug(fmt, arg...) __pr_printk(8, pr_fmt(fmt), ##arg) #define pr_cont(fmt, arg...) __pr_printk(-1, fmt, ##arg) +#define pr_emerg_once(fmt, arg...) __pr_printk_once(0, pr_fmt(fmt), ##arg) +#define pr_alert_once(fmt, arg...) __pr_printk_once(1, pr_fmt(fmt), ##arg) +#define pr_crit_once(fmt, arg...) __pr_printk_once(2, pr_fmt(fmt), ##arg) +#define pr_err_once(fmt, arg...) __pr_printk_once(3, pr_fmt(fmt), ##arg) +#define pr_warning_once(fmt, arg...) __pr_printk_once(4, pr_fmt(fmt), ##arg) +#define pr_notice_once(fmt, arg...) __pr_printk_once(5, pr_fmt(fmt), ##arg) +#define pr_info_once(fmt, arg...) __pr_printk_once(6, pr_fmt(fmt), ##arg) +#define pr_debug_once(fmt, arg...) __pr_printk_once(7, pr_fmt(fmt), ##arg) +#define pr_vdebug_once(fmt, arg...) __pr_printk_once(8, pr_fmt(fmt), ##arg) + #define pr_warn pr_warning +#define pr_warn_once pr_warning_once int memory_display(const void *addr, loff_t offs, unsigned nbytes, int size, int swab); -- 2.30.2