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([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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220406_192708_754222_3195D71B X-CRM114-Status: GOOD ( 13.65 ) 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 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel