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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 515FBC5DF62 for ; Wed, 6 Nov 2019 03:09:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0ECF0222C2 for ; Wed, 6 Nov 2019 03:09:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=arista.com header.i=@arista.com header.b="hvKtCam4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731129AbfKFDJB (ORCPT ); Tue, 5 Nov 2019 22:09:01 -0500 Received: from mail-pg1-f194.google.com ([209.85.215.194]:33139 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731100AbfKFDI7 (ORCPT ); Tue, 5 Nov 2019 22:08:59 -0500 Received: by mail-pg1-f194.google.com with SMTP id u23so16141192pgo.0 for ; Tue, 05 Nov 2019 19:08:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arista.com; s=googlenew; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=LTJGC0hehufyDDpJLdIwX4sd+5PzEDd8462b9AsWsFc=; b=hvKtCam4oJJLynyWlpMbOP1ctt6jOY2teqQzdk50+u4uBIeZUhQgld0ISgeBlj7Zkv cdXdd8pXEOdL5e5LDb7EML7hMQXppl6ii0m4b3ekd9x02SzCTUKYLzEp3yMDwS6/NUHc p00bfqg+t6UrqfAr5ToW7eJX3C2ft+S0ggQKaPL5ZQ5gR3qvDk9GLy1DZe1XpJefmeZ5 020l99AY72cjgIlmB5VbWVoDuYQ/HxTLyTVQB+CKsZRiP0u1N9yj3oDtM7oi+otKYAX9 Z4JTQ+RZOpoKgY0M7t2XPr4dVh72s106ytrsF3Yoj/Qriq8dq4MhEKSL5vOvOXlpFGDs /V6w== 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:mime-version:content-transfer-encoding; bh=LTJGC0hehufyDDpJLdIwX4sd+5PzEDd8462b9AsWsFc=; b=kXtE5T4DWmC7cF7lrwNscasBLC6+4uQKhMD1zbM+ByjiCtyqGv9n48i2xAEwzbjCS8 a9dw53Wvs8o27SNmvgdT+wDBjQNUmEL2jH79cxYkdhHZMslUkMn2AOVyhUWmCLCTIJAl DPBFS4VMMedejagUlg+VlKy8G8TFeLKZeROY8JjqEZWPMGuGJ+CM6YU4S8vCZdYwJ3zW v5frLqkLj+18A+xgas+yxkhcstmmasYIQ+A572KVyfe9aMM3+ClExBDku9zT5y7gjAUL myVTXnog/WWoCj8pacHcd4Fl+AUlzFfwijRO8TZ2vGoTT6dt+hYwZQZq9kLmacbCZzw0 X8mA== X-Gm-Message-State: APjAAAXAQaVrlb4+hCvQ/XneMGwuuhXw27wgMX7BDEE8BGdha9ppU8+U VEMV7/Ar+4qnqMv3j9SluQrDn1+OGYA= X-Google-Smtp-Source: APXvYqx1029Zf1jFMc5t5qbu9Z49aYAcoYPxwzothKeaiV5/uBHIk0FsUPkqOgp0OAreuJ7lcxISKA== X-Received: by 2002:aa7:82d7:: with SMTP id f23mr423039pfn.141.1573009738407; Tue, 05 Nov 2019 19:08:58 -0800 (PST) Received: from Mindolluin.ire.aristanetworks.com ([217.173.96.166]) by smtp.gmail.com with ESMTPSA id k24sm19570487pgl.6.2019.11.05.19.08.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Nov 2019 19:08:57 -0800 (PST) From: Dmitry Safonov To: linux-kernel@vger.kernel.org Cc: Dmitry Safonov <0x7f454c46@gmail.com>, Dmitry Safonov , Andrew Morton , Greg Kroah-Hartman , Ingo Molnar , Jiri Slaby , Petr Mladek , Sergey Senozhatsky , Steven Rostedt , Tetsuo Handa , Borislav Petkov , "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner , x86@kernel.org Subject: [PATCH 45/50] x86/amd_gart: Print stacktrace for a leak with KERN_ERR Date: Wed, 6 Nov 2019 03:05:36 +0000 Message-Id: <20191106030542.868541-46-dima@arista.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191106030542.868541-1-dima@arista.com> References: <20191106030542.868541-1-dima@arista.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It's under CONFIG_IOMMU_LEAK option which is enabled by debug config. Likely the backtrace is worth to be seen - so aligning with log level of error message in iommu_full(). Cc: Borislav Petkov Cc: "H. Peter Anvin" Cc: Ingo Molnar Cc: Thomas Gleixner Cc: x86@kernel.org Signed-off-by: Dmitry Safonov --- arch/x86/kernel/amd_gart_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/amd_gart_64.c b/arch/x86/kernel/amd_gart_64.c index a6ac3712db8b..033503f394f7 100644 --- a/arch/x86/kernel/amd_gart_64.c +++ b/arch/x86/kernel/amd_gart_64.c @@ -159,7 +159,7 @@ static void dump_leak(void) return; dump = 1; - show_stack(NULL, NULL); + show_stack_loglvl(NULL, NULL, KERN_ERR); debug_dma_dump_mappings(NULL); } #endif -- 2.23.0