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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 82907C433F5 for ; Thu, 7 Apr 2022 02:27:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238983AbiDGC3I (ORCPT ); Wed, 6 Apr 2022 22:29:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230423AbiDGC3D (ORCPT ); Wed, 6 Apr 2022 22:29:03 -0400 Received: from mail-pf1-x432.google.com (mail-pf1-x432.google.com [IPv6:2607:f8b0:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE40D170DA6 for ; Wed, 6 Apr 2022 19:27:04 -0700 (PDT) Received: by mail-pf1-x432.google.com with SMTP id y10so4186082pfa.7 for ; Wed, 06 Apr 2022 19:27:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=jajC5BGIaV4LB8uC3hkkHcAtM8jdKonq9kD1jt0KnnA=; b=l2t9X4a/n72LRCWsLI8EiXgO90/WMgWbUvgL/0hDWwSYc6Ss0zIgdfiSLNwf2ojK1R dAYMo6PgiL4Ui/JLXWG9/s7VMQvpOTZAwCelgjbvT8gd8RBnxGZyRmTMUjr9+6Ida60/ HjLHvPOy7kWKeuJQ/IGJuOvW/3sjAtWvsNNQZs1tBLJwbXhNvRFyzwKV7rMA+IE76bIP MnyKUJ2naBDJhPIytAZnfbWYycI/T3zCV/hutgxFFtDRr+XILPurGtWJCehjefzvwped 1H4rC1WUhzucFxTFocScJKAotd+7d1MN8FlvpT1L9ul8bhedRAeUooJcXoqo/TI1ykbF Hyqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=jajC5BGIaV4LB8uC3hkkHcAtM8jdKonq9kD1jt0KnnA=; b=yAIS4rvwJ2i/gIF2YP0QxRW9gcaeSwBBWHlLP7ZsvjDFTRLCUbNtv5oRxUPVFYLOSW VhbEZD5JmXZwX6EED9KBe1PF8660PgJccEhv0he1FTiOGbEigr77fe8APJWGP5xo3x1y SW2K5/qmGKrvJ5jBD3fv94iuP4PdvMaT1xnWvAwokddKKaHFPTUVQ7u1lsmvNpUMWO+9 jvrd9qEyO/zpwJ2FSO76vwKoZSpTCWUJT874BXlfMN3DexkaGciFIbcI1PHp2LyWKAsj +Hif+Mgv6BrgUlK2Ha5wMSnXECzMp5XxkZlXdrX3rYho019lqS6YJJJlznh0yo8SML7w 9Uhw== X-Gm-Message-State: AOAM532i4n21n5qZAmrb/E2iBcYRAvJfre1vZqszvngJ3BzkugwIeXEi rRVMKffD5XJX9aTtnoByIfiwUu9zO+Ez0A== X-Google-Smtp-Source: ABdhPJy26+SuwuVBNC58dLxtjGfLm2HqisHnxbZezvzi8L85ph5a6ucD+44+mWBG36v+lzvl/8vN9A== X-Received: by 2002:a63:51:0:b0:398:a2b7:be6 with SMTP id 78-20020a630051000000b00398a2b70be6mr7482275pga.214.1649298424129; Wed, 06 Apr 2022 19:27:04 -0700 (PDT) Received: from ?IPV6:2409:8a28:e6c:f010:ec92:b46d:e5a7:1343? ([2409:8a28:e6c:f010:ec92:b46d:e5a7:1343]) by smtp.gmail.com with ESMTPSA id d8-20020a056a00198800b004fab740dbe6sm20648818pfl.15.2022.04.06.19.26.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Apr 2022 19:27:03 -0700 (PDT) Message-ID: <69edba11-6d15-b80a-5840-86834101f76d@bytedance.com> Date: Thu, 7 Apr 2022 10:26:53 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [External] Re: [PATCH v3 3/3] arm64/ftrace: Make function graph use ftrace directly Content-Language: en-US To: mark.rutland@arm.com Cc: Steven Rostedt , mingo@redhat.com, tglx@linutronix.de, catalin.marinas@arm.com, will@kernel.org, dave.hansen@linux.intel.com, broonie@kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, songmuchun@bytedance.com, qirui.001@bytedance.com References: <20220224093251.49971-1-zhouchengming@bytedance.com> <20220224093251.49971-3-zhouchengming@bytedance.com> <20220322094100.73dc3ad0@gandalf.local.home> <7807fc23-c6c9-b6a9-62ef-e34e8beefdea@bytedance.com> <20220322104956.42203163@gandalf.local.home> From: Chengming Zhou In-Reply-To: <20220322104956.42203163@gandalf.local.home> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022/3/22 22:49, Steven Rostedt wrote: > On Tue, 22 Mar 2022 22:14:11 +0800 > Chengming Zhou wrote: > >>> You deleted ftrace_graph_caller above from entry-ftrace.S, if we can get >>> here with some options, wouldn't that break the build? >> >> The above ftrace_graph_caller deleted is only for CONFIG_DYNAMIC_FTRACE_WITH_REGS, >> and I tried using a low gcc version that doesn't select HAVE_DYNAMIC_FTRACE_WITH_REGS, >> it can build success. > > OK, I didn't look too deep into this. > > I don't have an issue with this patch, but it needs to go through the arm64 > tree. Hi Mark, would you mind picking this up for arm64 tree? Thanks. > > -- Steve