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bh=vY4wvL91lX+XoPJtjETBJ0Jod2fr7hSe9gEwviH1PQg=; b=JTwkWFhUx4IJaughrvyKzhi65vLf0ENJVVdNSYX+WdQYZZRfh0fhlH1dDzMuuxRyVk CpXGC8+PX+oQs+yduH/cM/fXi1Qp4YYydYObIIXemnol1UFJwSwcAh1bdsJ+cTCP3Ya7 W3ErGUL9+UmbowHUo4WHJ63Mh6OPPmFRvIXOHNOnXJTOp+/A8oWHB5+spDZQzMRiYkje nPv5zVsLmPMtE3cS4F1sDKq4z3qVZVWm6x73GTs+oxmwJhEsfG3cLH9OTU6e78oyzaQF sRlSlNc3fZWE1kT7/ECBVdpChdyLHPTSC9bkNlbaDj9VpIAC2PC13WhPJKcgTgxeGBIn D6ng== X-Gm-Message-State: AOAM5306q4sQ1CRcsc1psmd3JYYxPv66JShiACMJ3RiTyztdwoRy+WSO xqtoVYImHSqWH9ryrG7jyoMO4uTN0cIyw1eBU7A= X-Google-Smtp-Source: ABdhPJxx/ZB+iAIYYGWthfZ5MCRw4ljJiAxyhQbM9fSoZJcW8J3//Xuvzi/v3xFDYUKOn6kD1n3mDEB16b4Qbpmiyyg= X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:f693:9fff:fef4:1b6d]) (user=samitolvanen job=sendgmr) by 2002:ad4:55ec:: with SMTP id bu12mr35584454qvb.0.1600460143930; Fri, 18 Sep 2020 13:15:43 -0700 (PDT) Date: Fri, 18 Sep 2020 13:14:33 -0700 In-Reply-To: <20200918201436.2932360-1-samitolvanen@google.com> Message-Id: <20200918201436.2932360-28-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 27/30] arm64: allow LTO_CLANG and THINLTO to be selected 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_211547_234707_1394DAFE X-CRM114-Status: GOOD ( 10.25 ) 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:f4a 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 Allow CONFIG_LTO_CLANG and CONFIG_THINLTO to be enabled. Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook --- arch/arm64/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 6d232837cbee..2699fc5d332e 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -72,6 +72,8 @@ config ARM64 select ARCH_USE_SYM_ANNOTATIONS select ARCH_SUPPORTS_MEMORY_FAILURE select ARCH_SUPPORTS_SHADOW_CALL_STACK if CC_HAVE_SHADOW_CALL_STACK + select ARCH_SUPPORTS_LTO_CLANG + select ARCH_SUPPORTS_THINLTO select ARCH_SUPPORTS_ATOMIC_RMW select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && (GCC_VERSION >= 50000 || CC_IS_CLANG) select ARCH_SUPPORTS_NUMA_BALANCING