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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=TOBnIZLn7hTmqm3x2JBReVnrcc+31akc4aFm1uMW9E4=; b=YZthCHf/zMct7xON65PgiB1o4ymKzHwaYCnFLSgyYfkFDTUY3TzNtFjsxe9kUb96Ua ua0Ogl/iiBww4zPzs85fcoBLcARF1ORWGkAPA4lBQDAwDTb8z7GYo/efAE7xSRDjnSL3 RZmuxCndRvmLJtrvBgzhrXZreuRCytPaIweJ1Bge25/xazld+8pcA5nFS10wWSgX2e0g wOHcXHog4ArCW3iB9sdEO8EbuOZXd4y5D16ylK22XfIWdPS61k6JoD28f3VwFpKNzmbb hQddlQ/8qtvdxIbNtfNy6OOBi40LvHULJHhMRU9kvWL3lhb52D2INu6rEMP5NEw5CEA4 CWyQ== X-Gm-Message-State: AOAM5336FMspyvgeuhmNuQVlU5sM/UPj6Ryay4j3OJuW5naKXD+q/+nT 1uy17Rf5+oWQIJIWi8oDFnIFKMWh8F62x1B+OW4= X-Google-Smtp-Source: ABdhPJwPfv5GKIky8nZ4/qO1HfgSl+GRdDXQT/EDjzvo193fwzx6dbwv1k7QAc3pOuPuB6s1Frhn6PBXdOnzsCVgbLU= X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:f693:9fff:fef4:1b6d]) (user=samitolvanen job=sendgmr) by 2002:a25:be13:: with SMTP id h19mr55802534ybk.50.1600460094899; Fri, 18 Sep 2020 13:14:54 -0700 (PDT) Date: Fri, 18 Sep 2020 13:14:13 -0700 In-Reply-To: <20200918201436.2932360-1-samitolvanen@google.com> Message-Id: <20200918201436.2932360-8-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 07/30] objtool: Don't autodetect vmlinux.o 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_161459_289708_07403451 X-CRM114-Status: GOOD ( 13.73 ) 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 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 With LTO, we run objtool on vmlinux.o, but don't want noinstr validation. This change requires --vmlinux to be passed to objtool explicitly. Suggested-by: Peter Zijlstra Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook --- scripts/link-vmlinux.sh | 2 +- tools/objtool/builtin-check.c | 10 +--------- 2 files changed, 2 insertions(+), 10 deletions(-) diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index e6e2d9e5ff48..372c3719f94c 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -64,7 +64,7 @@ objtool_link() local objtoolopt; if [ -n "${CONFIG_VMLINUX_VALIDATION}" ]; then - objtoolopt="check" + objtoolopt="check --vmlinux" if [ -z "${CONFIG_FRAME_POINTER}" ]; then objtoolopt="${objtoolopt} --no-fp" fi diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c index 71595cf4946d..eaa06eb18690 100644 --- a/tools/objtool/builtin-check.c +++ b/tools/objtool/builtin-check.c @@ -41,18 +41,10 @@ const struct option check_options[] = { int cmd_check(int argc, const char **argv) { - const char *objname, *s; - argc = parse_options(argc, argv, check_options, check_usage, 0); if (argc != 1) usage_with_options(check_usage, check_options); - objname = argv[0]; - - s = strstr(objname, "vmlinux.o"); - if (s && !s[9]) - vmlinux = true; - - return check(objname, false); + return check(argv[0], false); } -- 2.28.0.681.g6f77f65b4e-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel