From patchwork Mon Dec 11 12:50:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergey Senozhatsky X-Patchwork-Id: 846954 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=65.50.211.133; helo=bombadil.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ZI/kHFMw"; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="KARW7I08"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3ywNBy2Jplz9s1h for ; Mon, 11 Dec 2017 23:52:10 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=WhsY6RuRGSZim5d3VqxQmmFEGOz65sCD8yInEbK5Jwg=; b=ZI/kHFMw8B0YHW/WN6/M0iU4a6 CTX88tTo5SEbSKSe6k6HKPyFjUl+XRWhQFnJCAacDB0Gu7Sr7Z1pY3k8562bCu7z9myXBsgSNKvnO RAlb7ocfXB9rjW0BamjujH5s5Y7Tdf3efaO346cE6x2qO/0iE9b4a7HO+EVfrtxyhjzeR4oUJKhjW vS9tqsu0DasPTjjtaDeRMgoB1eIUOmVq1d9t7goDwkdmwJs5g2tSHNNEeVjI0c2X0DdCtWxectJGF 6taVr9sKldAN/2vgULWmtPZ3a5FfnK9vH230gxo71uyS5QS7C4w3fsg2+Cy+dazZmvK8z0UOzokyf puzXZ1Gg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1eONZ2-0008JN-B4; Mon, 11 Dec 2017 12:52:08 +0000 Received: from mail-pf0-x243.google.com ([2607:f8b0:400e:c00::243]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1eONYB-0007NL-Pk; Mon, 11 Dec 2017 12:51:21 +0000 Received: by mail-pf0-x243.google.com with SMTP id j124so11465578pfc.2; Mon, 11 Dec 2017 04:50:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=qEl0K9sqaOmfhtH32mtnqlXxAi4hxaJLTXG2CRK0DY0=; b=KARW7I08ycIQhr1K2lPpxqm4dglw+kUbRIGWu4j/wHfZi7ECw8Tz3VQ9Y9Zs4NNt1z BDgE8lfW43ibIKM/3y8U5ocF90h7MciUVwY/f8V+T/bNyDobtCVP3fxfL0fxxTm+T8XB 6ROKyUEgIjIDJ/OlvTqtZkkgs9qEnBevj2leypZiz+YF3vPTat2JcHu/ChWvfQENQrYI MOC4ZDfef8PerrALDJwlDB8z/zuNc0mzT8YPc2BHXBwOYJ5QqQo8Sl8EgbRh6+HhY38V BOCbg+S5+TU778nQ3H+Vj749GViIlRLPkRqTbWMgPEjlXoGcPEp8nqlRa2d3IH3EKhwV drtQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=qEl0K9sqaOmfhtH32mtnqlXxAi4hxaJLTXG2CRK0DY0=; b=mcnRspNgHZFlUuziVD7YN4MAS/p14JA9gKi6p1oflSfXr6sla0mp2urEYfoDQkFoH1 9DYDPoSQ/CppvT5rQmtyd3Z1NKsIHJ8aVcsY7ydvlBPfK6KrsI2gSBs53BNs/eWObMnc 5cWJHQdmlX8uBZ41ZRzDI71+H+DQlGiA+4IM0WD8gMepfEVZeU9Sx6q7irMLlViJ9OIH pY1YE5N9XM9HTOy8HlN3cLXjmt1CePRnuHpJHtq8R3WRimc7CH7IhJpXp5HaTwIYO48h OuvikJrqe2FnFU9Y3x9yPrq1XexB/gx7G+B6JFg1/sCVcrcAnx9gpVNntX/VdjqVvD+7 K6wA== X-Gm-Message-State: AKGB3mJKHiuQzgHzFdXs8IzEVP8zFnJRbFaDnyXB6Nvssm6gVVU5CERl xmd388NlMNZaTKVKfana7Xc= X-Google-Smtp-Source: ACJfBoscWkyON9fHwn1GObZVuvq1trcTJ0uXrie25USGAN+GAOpoE54kcHdj86NwsGc2oILoaWt2pA== X-Received: by 10.84.231.1 with SMTP id f1mr282452plk.352.1512996654615; Mon, 11 Dec 2017 04:50:54 -0800 (PST) Received: from localhost.localdomain ([110.70.53.61]) by smtp.gmail.com with ESMTPSA id j13sm23374380pff.131.2017.12.11.04.50.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 11 Dec 2017 04:50:53 -0800 (PST) From: Sergey Senozhatsky X-Google-Original-From: Sergey Senozhatsky To: Andrew Morton , Russell King , Catalin Marinas , Mark Salter , Tony Luck , David Howells , Yoshinori Sato , Guan Xuetao , Borislav Petkov , Greg Kroah-Hartman , Thomas Gleixner , Peter Zijlstra , Vineet Gupta , Fengguang Wu Subject: [PATCH 01/13] arm: do not use print_symbol() Date: Mon, 11 Dec 2017 21:50:13 +0900 Message-Id: <20171211125025.2270-2-sergey.senozhatsky@gmail.com> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20171211125025.2270-1-sergey.senozhatsky@gmail.com> References: <20171211125025.2270-1-sergey.senozhatsky@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171211_045116_526943_63604A03 X-CRM114-Status: UNSURE ( 9.18 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.0 (--) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-2.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [2607:f8b0:400e:c00:0:0:0:243 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (sergey.senozhatsky.work[at]gmail.com) -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Petr Mladek , linux-am33-list@redhat.com, linux-ia64@vger.kernel.org, linux-c6x-dev@linux-c6x.org, linux-sh@vger.kernel.org, x86@kernel.org, Sergey Senozhatsky , LKML , Steven Rostedt , Sergey Senozhatsky , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org MIME-Version: 1.0 Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org print_symbol() uses extra stack space to sprintf() symbol information and then to feed that buffer to printk() char buffer[KSYM_SYMBOL_LEN]; sprint_symbol(buffer, address); printk(fmt, buffer); Replace print_symbol() with a direct printk("%pS") call. Signed-off-by: Sergey Senozhatsky Cc: Russell King --- arch/arm/kernel/process.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index d96714e1858c..db004f6f547a 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -21,7 +21,6 @@ #include #include #include -#include #include #include #include @@ -121,8 +120,8 @@ void __show_regs(struct pt_regs *regs) show_regs_print_info(KERN_DEFAULT); - print_symbol("PC is at %s\n", instruction_pointer(regs)); - print_symbol("LR is at %s\n", regs->ARM_lr); + printk("PC is at %pS\n", instruction_pointer(regs)); + printk("LR is at %pS\n", (void *)regs->ARM_lr); printk("pc : [<%08lx>] lr : [<%08lx>] psr: %08lx\n", regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr); printk("sp : %08lx ip : %08lx fp : %08lx\n",