From patchwork Mon Feb 28 11:19:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 12763098 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 28C0EC433F5 for ; Mon, 28 Feb 2022 11:49:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=pl7sLv/L+rykQp8+2cvgyHRYzY02kQ1IcA870DLlTRo=; b=g2avnVkQHSBbPb JgABLHibSqC4Xv6IClS2CEwGfesRiMKWuRrcedNi5iZ/9ZvYVr3GHohJXJbYmNhTh1XDkf4wc/Hd+ IP/gDssv0w3d+wuNUeJ4Se5TJMwb7IV0ck3C67RDB5e1awJnJCMfzSb7EwXAjGzuFMBbbSIwJ+q9E O4H0uVBEsTV1JYU1EKliocF/ctFaDESL9jYu2tM1HdED8zdqoJy6UN+TtbGKAxX7QE3jBmxKz3HRZ JAFl4G0qpHcAXhK5XdGVtj3bSbDODwli7j1S/kSmi9EtR4kDqBOys+OoGTC8z1ku2dNg+G8GS5S+K xpBAfd8vAr+Z3nKVfF9w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nOeVN-00Byot-W9; Mon, 28 Feb 2022 11:47:55 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nOe2s-00BnUY-5t for linux-arm-kernel@lists.infradead.org; Mon, 28 Feb 2022 11:18:28 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1646047106; x=1677583106; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=3OTySUvfj9YLZ+NLvxOpjOu3QfEnAa4NzFTMBjne5gU=; b=c5cKTEFVj4mvx3hIm5KAL4mMg7kkj8/2v1+e4jaPHBp3SxZ1yjvjR8po OfZj77HB8dHhobBjHLefdctg8CtkgNXSAyw92u4/UK+eCF1TmeO7hKWLO J05SFMO+UMtSCiDbU4RAC5vAdLhTsvIpsdIr2EFoeI2pXQvVRe7r5QR39 vg+ssxylB/82jVrMOKDevNS6yU1NbyqXNJQyLMkowHv/J2acMhmXOZ9P0 CYGVYrHXoLlWnz5lNViFI8lYowkSTS+DUzDNy9NUXIZj2W7cip7CNif1W DsYlvzVgKO7R8gNTeCTm6URSXjlbmQSV+D3YdiYF5exdeBJlwcVjgUw4K w==; X-IronPort-AV: E=Sophos;i="5.90,142,1643698800"; d="scan'208";a="154614990" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 28 Feb 2022 04:18:25 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Mon, 28 Feb 2022 04:18:24 -0700 Received: from localhost.localdomain (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Mon, 28 Feb 2022 04:18:22 -0700 From: Claudiu Beznea To: , CC: , , Claudiu Beznea Subject: [PATCH 3/7] clocksource/drivers/timer-microchip-pit64b: use notrace Date: Mon, 28 Feb 2022 13:19:19 +0200 Message-ID: <20220228111923.1400049-4-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220228111923.1400049-1-claudiu.beznea@microchip.com> References: <20220228111923.1400049-1-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220228_031826_391073_AF288C04 X-CRM114-Status: UNSURE ( 9.10 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Use notrace for mchp_pit64b_sched_read_clk() to avoid recursive call of prepare_ftrace_return() when issuing: echo function_graph > /sys/kernel/debug/tracing/current_tracer Fixes: 625022a5f160 ("clocksource/drivers/timer-microchip-pit64b: Add Microchip PIT64B support") Signed-off-by: Claudiu Beznea --- drivers/clocksource/timer-microchip-pit64b.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clocksource/timer-microchip-pit64b.c b/drivers/clocksource/timer-microchip-pit64b.c index cfa4ec7ef396..790d2c9b42a7 100644 --- a/drivers/clocksource/timer-microchip-pit64b.c +++ b/drivers/clocksource/timer-microchip-pit64b.c @@ -165,7 +165,7 @@ static u64 mchp_pit64b_clksrc_read(struct clocksource *cs) return mchp_pit64b_cnt_read(mchp_pit64b_cs_base); } -static u64 mchp_pit64b_sched_read_clk(void) +static u64 notrace mchp_pit64b_sched_read_clk(void) { return mchp_pit64b_cnt_read(mchp_pit64b_cs_base); }