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 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 57E62CA0FE1 for ; Fri, 1 Sep 2023 14:37:41 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qc5H3-0006Ew-2x; Fri, 01 Sep 2023 10:37:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qc5H0-0006Eh-Vt for qemu-devel@nongnu.org; Fri, 01 Sep 2023 10:37:23 -0400 Received: from mail-wr1-x433.google.com ([2a00:1450:4864:20::433]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qc5Gx-0006FK-HK for qemu-devel@nongnu.org; Fri, 01 Sep 2023 10:37:21 -0400 Received: by mail-wr1-x433.google.com with SMTP id ffacd0b85a97d-313e742a787so16811f8f.1 for ; Fri, 01 Sep 2023 07:37:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1693579037; x=1694183837; darn=nongnu.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=sFOhjyrZr4V8VBZpLEDjiykpEnWE8AF4+k2ONgi+sTk=; b=VQ8bJPtoMJGQc3KixrciBN+0UqUm8qomnxf7y+oI4nbmolyUwxFvudwIIwAMXmvGT+ LMsSQCUgWf8FN2UdgX6tlAZ5xYEO0UaLKZcwUFQXKAXn29OZ1/GsADhb4Vwpf8SBu40z FKPpTohY0yLGlKOz88lPYkPIbDvfffYUOS8mczUPasAtiT9XRyUVZvbVcpv3vhcJRbf4 1MDCghzMA3SbZS5jAsfp66VychEgJUcPpSA0c2hSNve9MqWfyOccdK/PyU/6ThFEGzzq e99pnu4dnjqj9tLkFp8TZfEL9lEu2zslWlT8BpT+0TefX+wQ7PgLLGT5xVY/xyNeSMka IN4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693579037; x=1694183837; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=sFOhjyrZr4V8VBZpLEDjiykpEnWE8AF4+k2ONgi+sTk=; b=IUF5pNf8LZ7zhoF4Bn4JAFuWIvKWxtUFwDStcYhGRg6Ue1GH0PPkep4d4caf8Zpo9f q69eTFnl0048BthhT9IGPCsJftr29u/z5DW+VLpy0QZBLfU7xYnm4g1JE2erQLriuRyv Y7L8v2Xs5HrkQQ/r8LuQcKGEJXjkz9914Gu8DS3EwxDxPT/Yjx7iDenhUzwPTwusWBya 453JSFE4yJZetDpnXSAtNOFNTumS/7BouJMASJt7aqsUJix6Rnhg8LE3pRiVODm97WAT HDCWptGFLwEyo8zRIvd8TU0/pD2DhRcqSvExldUlun/Ro+As1m2b8e9rYkbSEIWo8iaD mjgA== X-Gm-Message-State: AOJu0YxeUe3NDOBPdMO0LoFXIhF1MZnC5a+H9fw6ig6ln9B9F32TXldc VseogHa2LxeFlQDm9Q7r0eLSAxcAGc30T4CeCGc= X-Google-Smtp-Source: AGHT+IEJjSWv7Eos+Bjjhxxs5wNO+DRS/qL/QAC48vjF9zh89SZOkSWbSGpL+JHWTrpzCoq3O6FAdA== X-Received: by 2002:adf:de88:0:b0:31d:db2d:27c6 with SMTP id w8-20020adfde88000000b0031ddb2d27c6mr4643801wrl.30.1693579037386; Fri, 01 Sep 2023 07:37:17 -0700 (PDT) Received: from [192.168.69.115] ([176.187.203.220]) by smtp.gmail.com with ESMTPSA id l5-20020a5d4805000000b003197c7d08ddsm5433113wrq.71.2023.09.01.07.37.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 01 Sep 2023 07:37:16 -0700 (PDT) Message-ID: <06ff21b2-5d2d-bd4b-dbae-942acc564093@linaro.org> Date: Fri, 1 Sep 2023 16:37:15 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Subject: Re: [PATCH 08/13] linux-user: Emulate the Anonymous: keyword in /proc/self/smaps Content-Language: en-US To: Richard Henderson , qemu-devel@nongnu.org Cc: Ilya Leoshkevich References: <20230824010237.1379735-1-richard.henderson@linaro.org> <20230824010237.1379735-9-richard.henderson@linaro.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= In-Reply-To: <20230824010237.1379735-9-richard.henderson@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=philmd@linaro.org; helo=mail-wr1-x433.google.com X-Spam_score_int: -55 X-Spam_score: -5.6 X-Spam_bar: ----- X-Spam_report: (-5.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-3.478, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 24/8/23 03:02, Richard Henderson wrote: > From: Ilya Leoshkevich > > Core dumps produced by gdb's gcore when connected to qemu's gdbstub > lack stack. The reason is that gdb includes only anonymous memory in > core dumps, which is distinguished by a non-0 Anonymous: value. > > Consider the mappings with PAGE_ANON fully anonymous, and the mappings > without it fully non-anonymous. > > Signed-off-by: Ilya Leoshkevich > [rth: Update for open_self_maps_* rewrite] > Signed-off-by: Richard Henderson > --- > linux-user/syscall.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Reviewed-by: Philippe Mathieu-Daudé