From nobody Fri Dec 19 11:13:30 2025 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (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 62F6C51C32 for ; Tue, 26 Dec 2023 18:00:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--tanzirh.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="f73C2U3/" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-dbdb46770d7so5562076276.1 for ; Tue, 26 Dec 2023 10:00:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1703613652; x=1704218452; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=GQnopqwXCPJwf1o31D0QkbeUw9iOW+EHq9+aREsG9fw=; b=f73C2U3/jNohZsnmPU/1qJJSEHwpxbCFXOoE9tPRapD5CwVVDo0yHg+mM79FLkOWNI 4mR58BHVjKgFv1TKAYARakV188mPY/1ccQJb3TdP4PIAJKozZJJ80uVli1e18KP5rN68 ty6wSj731PBpSLR9EGyZQ1AkjqVHqanNjMHwo5V/cZTkBH8uQA89d0R+reqchBdfSkbT nAV0K9PuFsyioln/BtGO6nWGOJvDXIFYXMq5rUad4es2lHZNN4TE/ATbzI06u7RQ+Obp Ivf6V4fh8lC5n/vtF3qkpam/aESr4vLiaEho8QfFu5ZtekC/EG6/zEsBUYS5F0DohQy7 TdEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703613652; x=1704218452; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=GQnopqwXCPJwf1o31D0QkbeUw9iOW+EHq9+aREsG9fw=; b=c6/8qdKFjfSBlx5R2Z6QItj6PlqYkyNutEt3Y6dDljU86B8m/i0NLdkPMarcwzSfV4 Bc/Brt7uUc1P9JGpGzyiLiN+uaSU6Z9tU2k+QNTVpp0CVGDWg2sCGDc67GtiR0sP1F3U iMLOC9d55RO0Hj8vhwL7xYVZM+DGnW1DsY4DHaga2yt6WOVJbgNuyxg/rjIbbz2L72id mdplGjBWjgq5gVjDDdFa0hDuOeoNwWMgbZoJgTQz9HZwO8h1YbzAMi2UVGwBAfI8DYmE fTOe2Ex64kUQBT/qdDTHZ5/ltjFJABebzYmDQUr39ihjAfzksKB53glRXOdHl266m7Id cjaQ== X-Gm-Message-State: AOJu0YwmJxwpMX/6IkHuEHKfHgJt0xClq3jr1vMTjBM6mrD/fFzsPZTu Y6h0Iw2ezHl6bqls+OalJOkmTj45On2OFQXcs0c= X-Google-Smtp-Source: AGHT+IFnQX1XkxS5gH/MspqNzbGruimeDM9Y6sSzYazzjx6BG39h+lL/hwfcAIIYMQak4etQSIZs9fP7PwkI X-Received: from tanz.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:c4a]) (user=tanzirh job=sendgmr) by 2002:a05:6902:1369:b0:db5:4692:3ab7 with SMTP id bt9-20020a056902136900b00db546923ab7mr2904081ybb.8.1703613652544; Tue, 26 Dec 2023 10:00:52 -0800 (PST) Date: Tue, 26 Dec 2023 18:00:01 +0000 In-Reply-To: <20231226-libstringheader-v6-0-80aa08c7652c@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20231226-libstringheader-v6-0-80aa08c7652c@google.com> X-Developer-Key: i=tanzirh@google.com; a=ed25519; pk=UeRjcUcv5W9AeLGEbAe2+0LptQpcY+o1Zg0LHHo7VN4= X-Developer-Signature: v=1; a=ed25519-sha256; t=1703613647; l=1528; i=tanzirh@google.com; s=20231204; h=from:subject:message-id; bh=kLkju4pFci+nx2b0Vi+mSe3j1L2n+dGn+lmNlbPb2hw=; b=mnCi82pkDQhlhIICzaZ9DKF5LW8Zyzd5r/uBAp0bJK6KM0spwTVgAqlizK/vym/fbXNq9suqF X+rsoO7J6/2AhGVmTzCIFtKYKnxLFv7kczzhqPaEYO9mne7MtTmJCDp X-Mailer: b4 0.12.4 Message-ID: <20231226-libstringheader-v6-2-80aa08c7652c@google.com> Subject: [PATCH v6 2/2] lib/string: shrink lib/string.i via IWYU From: Tanzir Hasan To: Kees Cook , Nick Desaulniers Cc: Andy Shevchenko , linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, Andrew Morton , Greg KH , llvm@lists.linux.dev, Tanzir Hasan Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable This diff uses an open source tool include-what-you-use (IWYU) to modify the include list, changing indirect includes to direct includes. IWYU is implemented using the IWYUScripts github repository which is a tool that is currently undergoing development. These changes seek to improve build times. This change to lib/string.c resulted in a preprocessed size of lib/string.i from 26371 lines to 5321 lines (-80%) for the x86 defconfig. Link: https://github.com/ClangBuiltLinux/IWYUScripts Reviewed-by: Kees Cook Signed-off-by: Tanzir Hasan Reviewed-by: Andy Shevchenko --- lib/string.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/lib/string.c b/lib/string.c index be26623953d2..06d9b46875ef 100644 --- a/lib/string.c +++ b/lib/string.c @@ -15,19 +15,20 @@ */ =20 #define __NO_FORTIFY -#include -#include -#include -#include -#include +#include #include +#include #include -#include +#include +#include +#include +#include +#include =20 +#include +#include #include -#include #include -#include =20 #ifndef __HAVE_ARCH_STRNCASECMP /** --=20 2.43.0.472.g3155946c3a-goog