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bh=/0ldiyB2nVfkSW+Z4ZqugZ1I2eeQ0sdYMfFHH6J6dWM=; b=HFHJsEhz8bhKEh2cstADQVvTaelXwxmo2CgfuAQaYpJgdFOsqHdwtNWeP+nfIocFYz Sx12DUrfQGyqBzQSCPQHFnIXithqRm3zGSKcrZWLzglwGyg2tykgro8sOIKCjl3QN+CF aOTs4B03XoZh27G9zWQqonxUpL1iCLHp9x7AhL0ByeQaiOCDiD7DnytnPBnTW/IFqRzT XlqWHRBVPTD42tyqgtoPK++jh14jGYlMnNLJEhYHYgmOVMjEQqoC0AJaxneMcBWcBItA TxbkElQn7FeYpY6OvrOfet80zQjR1xSQ4SKt5tQ8Rw65qPzBiHTqevFphOVRklfE0IYx /qEw== X-Gm-Message-State: AOAM533zFk5pxkHJSnC44pwdmefIchGJsDpxCsKFxfrEW6dK6oERUEnu XeJJx0/ix2aqkSzyoGVL5ucTPcQCiAzttBMDiW8= X-Google-Smtp-Source: ABdhPJzlCcwfWl9pGOxTGz2mpuA0ZcI0OzyXT/6tCo4MOeFDLBSH0AjygGOTnITZPst0myY84qe7t61m7gd1U0GYQLc= X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:f693:9fff:fef4:1b6d]) (user=samitolvanen job=sendgmr) by 2002:a0c:8b02:: with SMTP id q2mr19161266qva.48.1600460136604; Fri, 18 Sep 2020 13:15:36 -0700 (PDT) Date: Fri, 18 Sep 2020 13:14:30 -0700 In-Reply-To: <20200918201436.2932360-1-samitolvanen@google.com> Message-Id: <20200918201436.2932360-25-samitolvanen@google.com> Mime-Version: 1.0 References: <20200918201436.2932360-1-samitolvanen@google.com> X-Mailer: git-send-email 2.28.0.681.g6f77f65b4e-goog Subject: [PATCH v3 24/30] arm64: export CC_USING_PATCHABLE_FUNCTION_ENTRY From: Sami Tolvanen To: Masahiro Yamada , Will Deacon X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200918_211540_093838_71C915C0 X-CRM114-Status: UNSURE ( 9.98 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -9.6 (---------) X-Spam-Report: SpamAssassin version 3.4.4 on casper.infradead.org summary: Content analysis details: (-9.6 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:849 listed in] [list.dnswl.org] -7.5 USER_IN_DEF_DKIM_WL From: address is in the default DKIM white-list 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 DKIMWL_WL_MED DKIMwl.org - Medium sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, x86@kernel.org, Kees Cook , "Paul E. McKenney" , kernel-hardening@lists.openwall.com, Peter Zijlstra , Greg Kroah-Hartman , linux-kbuild@vger.kernel.org, Nick Desaulniers , linux-kernel@vger.kernel.org, Steven Rostedt , clang-built-linux@googlegroups.com, Sami Tolvanen , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Since arm64 does not use -pg in CC_FLAGS_FTRACE with DYNAMIC_FTRACE_WITH_REGS, skip running recordmcount by exporting CC_USING_PATCHABLE_FUNCTION_ENTRY. Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook --- arch/arm64/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 4e8bb73359c8..57b875099b17 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -123,6 +123,7 @@ CHECKFLAGS += -D__aarch64__ ifeq ($(CONFIG_DYNAMIC_FTRACE_WITH_REGS),y) KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY CC_FLAGS_FTRACE := -fpatchable-function-entry=2 + export CC_USING_PATCHABLE_FUNCTION_ENTRY := 1 endif # Default value