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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 D5DC1C433EF for ; Tue, 22 Mar 2022 15:01:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=V0jL0ynPj74e62KAGq1CGp5vjaNxuu/YKGIVE17ZrcM=; b=YP50p8LiWWtfra FnpBzkmnTpMyrKmfJFD5UaRxhwb6IdFatJHbJnK69Swm97Mj8AG0Qgu3Uk2mz+FuTwlcmnFVEyCaP nJXb0+hNkH58qbv7d9hyImxrkXt1CMwQzH0AkYWBADAuplR0x1O98BhBDo1JTtG77KM4GRI2bgdgR yvnKK9noxFlYw4hDRYqsRaNFKsa84Q30HI7wuCUT+JXxLM9GiZ7W7MqN1fz4N0LwDxAmCz9SaZiXn IqYPLz+TsF27+pfChadqwXVN4GLpUZzX0a0kenfGsbl2SpAWbRW4EhStILnSo/30P1bDs45h6gA/E x+oUtESEh55JqZ6BlI7A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nWfzA-00BQof-SI; Tue, 22 Mar 2022 14:59:49 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nWfph-00BMDJ-TO for linux-arm-kernel@lists.infradead.org; Tue, 22 Mar 2022 14:50:04 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 5A4E9B81BC2; Tue, 22 Mar 2022 14:50:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD113C340EC; Tue, 22 Mar 2022 14:49:57 +0000 (UTC) Date: Tue, 22 Mar 2022 10:49:56 -0400 From: Steven Rostedt To: Chengming Zhou Cc: mark.rutland@arm.com, 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 Subject: Re: [External] Re: [PATCH v3 3/3] arm64/ftrace: Make function graph use ftrace directly Message-ID: <20220322104956.42203163@gandalf.local.home> In-Reply-To: <7807fc23-c6c9-b6a9-62ef-e34e8beefdea@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> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220322_075002_176204_F7BF3502 X-CRM114-Status: GOOD ( 14.96 ) 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 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. -- Steve _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel