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bh=ysMTENOwLjJfI96TSiVLHXP2qic1XFc9/i13vC4Vzxc=; b=CO/qtAvO/f7WU8R3fTciEISSr0zgtB3/n4j06SXfzVa27wu/yjiw5DVKSeOtsgEphw BFDH4ckfum8zx38NQdXop0Ayo9n1zTLXcU2dD4VtzCXBh49fw6a4HPfMrfhClHx1p04H UAczCzlpY5SBEgNWgwlwDmIuAGtWehdY8h/pI8wFLOce3wL8xXgBSlMbqQf38QNuadyQ WZq84GqLfRRw+ACW+diGPQH29ZxzSUuASqYOISECFTmxiuwIK0P2QmQoiz5kyr0T6JKG ftUSNxfMeEIdipNfsVTPcjTQlJL56IEUUd78+ov1Br562OgB0IGxos4k2Z15KRqiwrpG xbew== X-Gm-Message-State: AMCzsaXWFV5NWFdYs+MZAXdwpDrlivKtjLPcVau/HHvY3alYRylvH7H6 XH97YVocVrzt2pnpCmFoiki93A== X-Google-Smtp-Source: ABhQp+R60cZWieTegN2N9IWdvUaajo2p+1I0kDpJ65B0OM1l1nOebzzGju0ZfnxGCgelfx//P5etfg== X-Received: by 10.107.8.207 with SMTP id h76mr9397341ioi.270.1509729167346; Fri, 03 Nov 2017 10:12:47 -0700 (PDT) Received: from samitolvanen.mtv.corp.google.com ([100.98.112.14]) by smtp.gmail.com with ESMTPSA id d186sm1370787itd.38.2017.11.03.10.12.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 03 Nov 2017 10:12:46 -0700 (PDT) From: Sami Tolvanen To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 06/15] efi/libstub: disable LTO Date: Fri, 3 Nov 2017 10:11:51 -0700 Message-Id: <20171103171203.107569-8-samitolvanen@google.com> X-Mailer: git-send-email 2.15.0.403.gc27cc4dac6-goog In-Reply-To: <20171103171203.107569-1-samitolvanen@google.com> References: <20171103171203.107569-1-samitolvanen@google.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sami Tolvanen , Matthias Kaehlcke , Nick Desaulniers , Kees Cook , Greg Hackmann MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP With CONFIG_CLANG_LTO, we produce LLVM IR instead of object files. Since LTO is not really needed here and the Makefile assumes we produce an object file, disable LTO for libstub. Signed-off-by: Sami Tolvanen --- drivers/firmware/efi/libstub/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index 2371a92808be..5146eee677ce 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -20,7 +20,8 @@ cflags-$(CONFIG_EFI_ARMSTUB) += -I$(srctree)/scripts/dtc/libfdt KBUILD_CFLAGS := $(cflags-y) -DDISABLE_BRANCH_PROFILING \ -D__NO_FORTIFY \ $(call cc-option,-ffreestanding) \ - $(call cc-option,-fno-stack-protector) + $(call cc-option,-fno-stack-protector) \ + $(DISABLE_LTO) GCOV_PROFILE := n KASAN_SANITIZE := n