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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=kVJaNW7eSaj0HFfwrYDw0RQeIfteodxyLLwn3XkvFZA=; b=NjVAgftSa+xRD4Rs7QfjMazhJQCHu82IQ5Q1pb9FAx9DgV79ZuxnguGRkdxzAcLPTt BdRPinYNOfdgQ5V3k3ixKlsjQ+Rn0HiAfQKWvzjTB0XmIgSD0gt33mjbRp1ObolNytd3 F6viwZgSqVDytcGazkWIow9kkJj33dVOYVM5fQ3lhoeg40mZ4eEprrLF+czHqZgJf0NX dvUs/EqR0h5L9K6iRAfjlNc1ui4oUzR1YXDgHCbuDh5vglTtktD4ko1/5wzVoo6eTpdY JTRvlSHpGSDye4TnggEVX+CcBnNfmmoCnLC28kHqD50NOk98Bj8jFsMnnWRv+8ot5oQa Ylcg== X-Gm-Message-State: AOAM533iBS2bnC0WWRk9GFordT4JCseewW9IjC6zVLw8VGYyWCcU0bx+ MB27+Mt6j1+6x3kvjyUQMn3VsN9aHoFmkHR4lZo= X-Google-Smtp-Source: ABdhPJxxVxVLXATH28VAjZYJvCMjRNOfP6FG+zwrqzoHwd+tVOzS3ssjn2tzJdDq4rR6gIG7Z06UGW92/5YWikencXY= X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:f693:9fff:fef4:1b6d]) (user=samitolvanen job=sendgmr) by 2002:ad4:5843:: with SMTP id de3mr28374099qvb.12.1602549131356; Mon, 12 Oct 2020 17:32:11 -0700 (PDT) Date: Mon, 12 Oct 2020 17:31:41 -0700 In-Reply-To: <20201013003203.4168817-1-samitolvanen@google.com> Message-Id: <20201013003203.4168817-4-samitolvanen@google.com> Mime-Version: 1.0 References: <20201013003203.4168817-1-samitolvanen@google.com> X-Mailer: git-send-email 2.28.0.1011.ga647a8990f-goog Subject: [PATCH v6 03/25] objtool: Don't autodetect vmlinux.o From: Sami Tolvanen To: Masahiro Yamada , Steven Rostedt X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201012_203215_000451_F8647359 X-CRM114-Status: GOOD ( 13.92 ) X-Spam-Score: -7.7 (-------) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-7.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -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_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an 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_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_MED DKIMwl.org - Medium trust 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, clang-built-linux@googlegroups.com, Sami Tolvanen , linux-pci@vger.kernel.org, Will Deacon , 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 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 | 6 +----- 2 files changed, 2 insertions(+), 6 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 e92e76f69176..facfc10bc5dc 100644 --- a/tools/objtool/builtin-check.c +++ b/tools/objtool/builtin-check.c @@ -41,7 +41,7 @@ const struct option check_options[] = { int cmd_check(int argc, const char **argv) { - const char *objname, *s; + const char *objname; struct objtool_file *file; int ret; @@ -52,10 +52,6 @@ int cmd_check(int argc, const char **argv) objname = argv[0]; - s = strstr(objname, "vmlinux.o"); - if (s && !s[9]) - vmlinux = true; - file = objtool_open_read(objname); if (!file) return 1;