From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D558EC433B4 for ; Tue, 20 Apr 2021 17:26:44 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 73899613AF for ; Tue, 20 Apr 2021 17:26:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 73899613AF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version: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:In-Reply-To:References:List-Owner; bh=9LPPd9QqtBH1+inwd6k1qEiqLtQVnt9BVYJ0KzkXIBQ=; b=LrI84grZu1z7EUU45T9zHfHGE5 VCFHRRnIWX5lmsSll17ysk7H8Sxaop96+/tVYdgzddkSAtLvTtk44UYVagKoE7jeHb1YiuAIZrRLJ Td0jnbFplJwGJRtytJn8shwzgdKo7vIt8s35WgfGRgk5C3rDHbuC3jgEaVi4C0UlY/ZLJC1YJLOSQ RX6cNmoOdWj+6/fPrV79fkezXf307fTHkHHaymdA9R9IJjVZGHqXBEHsU0ToWZmAm5+xg6Hmdyeaa UPU72rNLPl5ZXqh2nOtYIHuOwMKyot5y5Q9Z1E/x51svNRWz2gOpkpyTDCtnVzGLWt2Lx0eRPpNt+ p8wwP/6w==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lYu77-00CiLq-NW; Tue, 20 Apr 2021 17:24:43 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lYu75-00CiKr-9q for linux-arm-kernel@desiato.infradead.org; Tue, 20 Apr 2021 17:24:39 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=zCxTkutdwyOxu0wuqOhdUR3tApRYoORPLDIdB78sc9k=; b=QM6uZMU5YdM5DjGzJQhdeM3pv1 buG8WwmUrUJNsBuLqit6NqlnwHAmc+d3keBcejm7UHxHI+F5+XT+C2PbqMc6t2HsRprGOil4dLINr X+cAlvF7p2vK9jlU1/KsfiyiRkQBH4wChvW4MonH/aqZ+m4+t1cfVlW+IPEnkmtnwSASPJtTjygNZ Z20u5l38xJaHZyUfpjGn7XBrEKHObYPJ6sFJomJ475sSZtFUoOrvVbwIVMGx/gL9ZXLw3mjjQ/0Pu WP50QCPqMWkR/i4rTIo5L80qAGL0sY1MLPKHA0uEKTmCk/FhlewqOjOqiK6Y0E4wBTNxFjI8cthF0 wD3xhtDQ==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lYu5H-00FR6u-Or; Tue, 20 Apr 2021 17:23:13 +0000 From: "Matthew Wilcox (Oracle)" To: Catalin Marinas , Will Deacon , Mark Rutland , Peter Zijlstra , Kees Cook , Marc Zyngier , Vincenzo Frascino Cc: "Matthew Wilcox (Oracle)" , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: Show three registers per line Date: Tue, 20 Apr 2021 18:22:45 +0100 Message-Id: <20210420172245.3679077-1-willy@infradead.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Displaying two registers per line takes 15 lines. That improves to just 10 lines if we display three registers per line, which reduces the amount of information lost when oopses are cut off. It stays within 80 columns and matches x86-64. Signed-off-by: Matthew Wilcox (Oracle) --- arch/arm64/kernel/process.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 6e60aa3b5ea9..aff5a2c12297 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -294,13 +294,10 @@ void __show_regs(struct pt_regs *regs) i = top_reg; while (i >= 0) { - printk("x%-2d: %016llx ", i, regs->regs[i]); - i--; + printk("x%-2d: %016llx", i, regs->regs[i]); - if (i % 2 == 0) { - pr_cont("x%-2d: %016llx ", i, regs->regs[i]); - i--; - } + while (i-- % 3) + pr_cont(" x%-2d: %016llx", i, regs->regs[i]); pr_cont("\n"); } -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel