From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f201.google.com (mail-yb1-f201.google.com [209.85.219.201]) (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 E43EA3C6A4 for ; Tue, 19 Dec 2023 18:48:04 +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="VCqAp26D" Received: by mail-yb1-f201.google.com with SMTP id 3f1490d57ef6-dbd47684131so2074671276.0 for ; Tue, 19 Dec 2023 10:48:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1703011684; x=1703616484; darn=lists.linux.dev; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=AH7uJyoYvXfA7ti80+MOcTI9tFmh1yE9F3ak/L9o5YU=; b=VCqAp26DmlXV936Ci4ZPVLVI+WQ3mPzQPh5SUk1vaKm6g8KoXrg9P6JuuSofMQBhmP maU6C8CZiaJvz9oNPSIXfx136wFMJxCUoGrVL4zyFc8NJhIHjWmsa3cVdmBYONslQ7qq c20o9j/pjjAVN6HpvtIMzr0snlvzoQeaqpN+0GAYN6y8GI5LZqi6RfBLBfBsl+KKinTv sBPNBPvxWMPrud0hsYuTA88qQiUhdaJJ7Hkvbxc211yYkKWzmuNqWxO+GUeRAHqXejQN m39nJHXmrFRhTsVBDScGAeOrPRXL7tQ4O4HWV/xZPRV7vq+20YqgcBtbK3oV5uJ6W6J5 lnNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703011684; x=1703616484; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=AH7uJyoYvXfA7ti80+MOcTI9tFmh1yE9F3ak/L9o5YU=; b=KYr9bL64qv4ojGB36JgrhKv8Y0ZA+dGUKr/IUHo7avxL5l+sDvPhvddCuysDy4ysBA 0S/fx8igon8GZeXbhNXENeMmwUN/umON4A6C+D8grxUe8xSqZ2mKdlicrrIVZMyOjELj dqLJfoZfNsnNXMpH8VScMhWgwA1zsgSrmRLmTf19MGQz4nvSTQ/40XOqG60HU5aLjn+n U3PkRNV5L/eILomVP2oqIpFVUKkIivNb9JSapaGpPJcCl3qlkOWJyo/GF3IRW9z6nGb3 ZpogcoCOOh6Rg9oTIJF1ul2B//tTiC0CfG8rvqOaNEAxXVSkWaEp8+I3wjH4gl8F9Esf snjQ== X-Gm-Message-State: AOJu0Yzn84P1c8nZ80oFtf5cNM4vQcesqnPC2bCZAPfjhe4e2hbQtsKM PySnLDpe9zRMgucPWb4IVGv8yqS6uert X-Google-Smtp-Source: AGHT+IGRwQkV/1lt+ej3ziev5gc0fbKJoRnteDzvkQztfb3qTo0Aj5J9t0oNYrAHZ41NuVMoMqlvL1V5fBR/ X-Received: from tanz.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:c4a]) (user=tanzirh job=sendgmr) by 2002:a25:be92:0:b0:dbd:2c5a:6c53 with SMTP id i18-20020a25be92000000b00dbd2c5a6c53mr565316ybk.6.1703011684012; Tue, 19 Dec 2023 10:48:04 -0800 (PST) Date: Tue, 19 Dec 2023 18:47:52 +0000 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAFjlgWUC/42U3WrjMBBGX6X4ul5m9DMa9arvseyFJM84hjQud gm7lLz7ymFZ0tjFuRzD+c6HNPJnM8s0yNy8PH02k5yHeRhPdfDPT005pFMv7dDVuTFgLBpw7XH I88c0nPqDpE6mVoxlMUm9SGkq9T6JDr+viT9/1fkwzB/j9OcqOOPy9fusM7bYFuqso2RyDPG1H 8f+KD/K+LZk/wP9Nhg0Fh8seJvCa/+WhuOVW0qczY7YLOKsNhTjELy74f97cZOD1mYNEmwmpO3 C34GgGH1XVGulW/Da2O40trWx8xyAO+WY/WZj3uKg9QC586ygwa/EbkfsFrFmdAVjcCqPil0VU 1AODjBDsNtHFbfBlCQbcvW4jK4a+53GvjZWRY4u1kty9Ghjv9xRUgZvRJnjSky34o2tpEVsSIw iKJf4qJiqWIPWZUZOlPJKHHbEoYqFwKAlZCnd/XPgHZ4rb1KJsXDEXOSejzt8rDxYrZuvYl0s9 zzCTgBCTYiUoiEgFuJVAu4lLL8EYp/Fh7rt3ZczuFwufwEJ9zqx+gQAAA== X-Developer-Key: i=tanzirh@google.com; a=ed25519; pk=UeRjcUcv5W9AeLGEbAe2+0LptQpcY+o1Zg0LHHo7VN4= X-Developer-Signature: v=1; a=ed25519-sha256; t=1703011682; l=2179; i=tanzirh@google.com; s=20231204; h=from:subject:message-id; bh=43BPgdbj/Ms3cbxr1wobnwnr0jH7BWniivgiGR2rpqc=; b=coinp79Ec0TAuh3fiFjsDVNEqMFsREd1n2Mt0feZKhSdtKEaXxLqyVStXKcahXivUexhHkdMi bJMQGmZWzlzDrK/7mRiG4DzabmHFPttI3RUcew83zYCphbMi7L0UfF2 X-Mailer: b4 0.12.4 Message-ID: <20231219-libstringheader-v5-0-206d4afd309a@google.com> Subject: [PATCH v5 0/2] 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, Al Viro , Andy Shevchenko , Tanzir Hasan Content-Type: text/plain; charset="utf-8" This patch series changes the include list of string.c to minimize the preprocessing size. The patch series intends to remove REPEAT_BYE from kernel.h and move it into its own header file because word-at-a-time.h has an implicit dependancy on it but it is declared in kernel.h which is bloated. --- --- Changes in v5: - Removed bad copyright. - Link to v4: https://lore.kernel.org/r/20231219-libstringheader-v4-0-aaeb26495d2f@google.com Changes in v4: - Fixed personal email client so name appears instead of just email - Removed kernel.h where not needed. - Sorted include list in lib/string.c and used linux/limits.h - Link to v3: https://lore.kernel.org/r/20231218-libstringheader-v3-0-500bd58f0f75@google.com Changes in v3: - Moved REPEAT_BYTE out of kernel.h and into wordpart.h. - Included wordpart.h where REPEAT_BYTE was necessary. - Link to v2: https://lore.kernel.org/r/20231214-libstringheader-v2-0-0f195dcff204@google.com Changes in v2: - Transformed into a patch series - Changed asm inclusions to linux inclusions - added a patch to sh - Link to v1: https://lore.kernel.org/r/20231205-libstringheader-v1-1-7f9c573053a7@gmail.com --- Tanzir Hasan (2): kernel.h: removed REPEAT_BYTE from kernel.h lib/string: shrink lib/string.i via IWYU arch/arm/include/asm/word-at-a-time.h | 2 +- arch/arm64/include/asm/word-at-a-time.h | 2 +- arch/powerpc/include/asm/word-at-a-time.h | 2 +- arch/riscv/include/asm/word-at-a-time.h | 2 +- arch/s390/include/asm/word-at-a-time.h | 2 +- arch/sh/include/asm/word-at-a-time.h | 1 + arch/x86/include/asm/word-at-a-time.h | 1 + fs/namei.c | 2 +- include/asm-generic/word-at-a-time.h | 2 +- include/linux/kernel.h | 7 ------- include/linux/wordpart.h | 14 ++++++++++++++ lib/string.c | 17 +++++++++-------- 12 files changed, 32 insertions(+), 22 deletions(-) --- base-commit: ceb6a6f023fd3e8b07761ed900352ef574010bcb change-id: 20231204-libstringheader-e238e2af5eec Best regards, -- Tanzir Hasan