From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 545EF2C80 for ; Thu, 6 Jan 2022 02:37:27 +0000 (UTC) Received: by mail-pl1-f182.google.com with SMTP id q14so1509965plx.4 for ; Wed, 05 Jan 2022 18:37:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=5UkAZUrjfzO4AUWpPfb+4/H/UxI1o2rcJZ/LQS4Gka4=; b=U3odGgTYfDp8i9eXDQWhKt2tSA+vlyRD5/v8HS1uSEpeEcYjziNJC+8w47+i7aHbzC tXsUDE3+YCPvLYpbar45hAiRkqyhZ2Ikse0HHKoX57tggnNCFUYj58naRAon65yfH8fY 16m/TZosMBIWkBk6VTOqXE8DZqTIultBDFCJM0phAzB92zUe+B46NdFVih/l/dJ4QVfw khyEwkEmMUZKBIkzqmXOem5qfbS/uFlbtnnxrKUdM3mws7FchEKHzsDYcuB5BC+uS1YR B4nmQrkeXw5c1JRNWwrhbc61rgxW6aE1dW3D3ePZpXi+AQggwA1Yv4sBgS80C0dJeluu je9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=5UkAZUrjfzO4AUWpPfb+4/H/UxI1o2rcJZ/LQS4Gka4=; b=GQldvXgJcrlOyTkv2QMAQx/op+5B/elZQSvAcJdEZU+fFpi2CRXrzu68WpiK/KwVID 7aR70gbyLJmrfZM3h+k4nlNL0jGJ5yAEV1boxn9Qnsrk3mw1EhVYUZFAwF5NijRoFTP7 f1JYNty5yMtjPNzEt+7IWuabPQigN3h9L6reH6y03AI2sOcbUrzX0qrXqAJbP1LEoF0l TY0DQf1yU6GoxmGi7PnZ4qOcxKrJA4MZAQZaTr6TZoIs64yOSslAV3SeeQUo/5f6gwcn TwrHk5q7W3QM4aLH60hXiAYaC5J501egA+MeTKbZL9RGANRS/tpWW5QShAwBJrgt6tvT OlkQ== X-Gm-Message-State: AOAM533LR9XIwfc/03r/6RDF+cjr1npHN9dWdj1tgL7wuAnZvM6DwGi8 SCylZplGt/As87L7NqtjgUo= X-Google-Smtp-Source: ABdhPJwNXV+7RyU1tNgvQKaEQk7hh+bAM1Hixv28+JceWHH2ePKxy0GkTgZb5QpiUNYef9nBwSj9rA== X-Received: by 2002:a17:902:be15:b0:149:a608:7098 with SMTP id r21-20020a170902be1500b00149a6087098mr28357291pls.63.1641436646767; Wed, 05 Jan 2022 18:37:26 -0800 (PST) Received: from szeter.. ([2001:8004:44e0:acae:b2b7:5ce1:129d:48de]) by smtp.gmail.com with ESMTPSA id ot7sm4575514pjb.12.2022.01.05.18.37.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Jan 2022 18:37:26 -0800 (PST) From: Samuel Zeter To: Cc: samuelzeter@gmail.com, Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Nathan Chancellor , Nick Desaulniers , linux-kernel@vger.kernel.org, llvm@lists.linux.dev Subject: [PATCH 0/2] *** Fix reformat_objdump.awk *** Date: Thu, 6 Jan 2022 13:36:03 +1100 Message-Id: <20220106023606.283953-1-samuelzeter@gmail.com> X-Mailer: git-send-email 2.32.0 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit These are two small patches which originally dealt with the problem found at: https://github.com/ClangBuiltLinux/linux/issues/1364 The original steps to reproduce were: $ make -skj"$(nproc)" LLVM=1 LLVM_IAS=1 defconfig $ scripts/config -e X86_DECODER_SELFTEST $ make -skj"$(nproc)" LLVM=1 LLVM_IAS=1 olddefconfig bzImage Which resulted in the error: arch/x86/tools/insn_decoder_test: warning: objdump says 0 bytes, but insn_get_length() says 2 Upon inspection it turned out llvm-objdump was formatting its output differently, which caused objdump_reformat.awk to incorrectly output its values. After fixing that bug, a second one was seen where the instruction "wait" was incorrectly matched with "fwait", which again caused insn_decoder_test to fail. Samuel Zeter (2): arch/x86/tools/objdump_reformat.awk: Ensure regex matches fwait arch/x86/tools/objdump_reformat.awk: Allow for spaces arch/x86/tools/objdump_reformat.awk | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -- 2.32.0