From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AB1F33C2796; Tue, 8 Sep 2026 20:55:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788900956; cv=none; b=N0NAnvEZUFBbDv60s+dJbRu7L7E88xZllHbOnZFN0jWsdLsLoQEuch6lceVagj73XD38AhdqJi01Ior8dR4AqDC7dBoAPDXiwSEStPLS4XKaiX/pMwuxhM+YYVokBU5kgoaI1F5NbHWfSy0oeDIUFIrgIJhDFd/G1CyPN1gj7bM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788900956; c=relaxed/simple; bh=pcsijpekNt+DxklwcjLik4aRG5CCfOXcviThDorMTJE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=lX0Qpb80WnL143UwfEBNIgRqvPGT4OIv5sZLh1FdWk8EXbn1S1x/uoGk+dyznGddHHjNMqA31KCeW+f/lYHMkS/aZEXTPDojW0iywYivgJ9KdOUAraKaU1W4Vetvfd3LvrelbAUVjsNnjzdSCk3j/mgt/tu06/DvanediM26EKk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QyylYyUh; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QyylYyUh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 769721F00A3A; Tue, 8 Sep 2026 20:55:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788900955; bh=Y87Ru0xfYAGxRwASt8W2uZE0vluulQEq4vWCkr2qehk=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=QyylYyUh712yA+wXv0MkQw/+SKQgxmL401+ubHQJwu+ZIzBE8vWqhj+V4R6TMaiHM Y60hJq5rQ3/d9d5CNityd7xig6O+4487SsyyzAbI5j9JWEqg1fBPN4mW7Y0xf3E57W oEGnEeBaKJnD4+eeJylQ06J8g6mUkNnGrMBWzpyf+bPrZStFN+yY63wBlvPS6YeupJ SmNBcrI1XpyFQx9QaXKXWXDETpxFWmsyd/pCLcfeZuXv9msSqXrxIyTaDgz7ecm0jm QsJMlDs7cKdvveUp91Za2I0LitMt5Y1sCLbcdrH1DKRVcK09/RvD8ADXffWwOfymjH IyU9PE5QiiKvw== From: "Lorenzo Stoakes (ARM)" Date: Tue, 08 Sep 2026 21:55:02 +0100 Subject: [PATCH 02/23] scripts/mksysmap: fix escape of '$' in the __pi_ pattern Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260908-build-speedup-v1-2-5dc1ac01672d@kernel.org> References: <20260908-build-speedup-v1-0-5dc1ac01672d@kernel.org> In-Reply-To: <20260908-build-speedup-v1-0-5dc1ac01672d@kernel.org> To: Linus Torvalds , Nathan Chancellor , Nicolas Schier , Nick Desaulniers , Bill Wendling , Justin Stitt , Masahiro Yamada , Alexey Gladkov , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Arnd Bergmann , Catalin Marinas , Will Deacon , Mark Rutland , Ard Biesheuvel , Ilias Apalodimas , Josh Poimboeuf , Peter Zijlstra , Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Daniel Almeida , Tamir Duberstein , Alexandre Courbot , =?utf-8?q?Onur_=C3=96zkan?= , Jonathan Corbet , Randy Dunlap Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-riscv@lists.infradead.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-efi@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-doc@vger.kernel.org, Jens Axboe , "Lorenzo Stoakes (ARM)" X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1197; i=ljs@kernel.org; h=from:subject:message-id; bh=pcsijpekNt+DxklwcjLik4aRG5CCfOXcviThDorMTJE=; b=owGbwMvMwCV2fu7ZrsZH9SKMp9WSGLIWlJker97TJDyrb4PQ+6XPvAN8LNze3ZELTohu0v29J yLUj39BRykLgxgXg6yYIsvzL+L7g0TC5nVe8HeDmcPKBDKEgYtTACZy/i0jw08mn4fvXq4u+Fa8 i/Fq9u+vctwXl2RL3vaT5v0085vVum2MDK9+Kl4Xyq24lPJZ8b3/vJj9veGOjkp52yRuKrG/+/v 8BhsA X-Developer-Key: i=ljs@kernel.org; a=openpgp; fpr=E7F417BF5214569E89D04F46CF9DCD8A81E27F14 Commit b18b047002b7 ("kbuild: change scripts/mksysmap into sed script") converted scripts/mksysmap from a shell script to a sed script. However an error was made - escaping of '$' required \\ escaping in shell but only \ in a sed script. This was mostly corrected in commit 7a6c355b55c0 ("scripts/mksysmap: Fix escape chars '$'"), but this fix missed arm64 PIE namespace local symbols like __pi_$x and __pi_$d which appear in System.mapand /proc/kallsyms: $ grep __pi_\\$ /proc/kallsyms | sort -u 0000000000000000 d __pi_$d 0000000000000000 t __pi_$x Fix the escaping properly. Fixes: b18b047002b7 ("kbuild: change scripts/mksysmap into sed script") No measurable change in build time. Assisted-by: LLM Signed-off-by: Lorenzo Stoakes (ARM) --- scripts/mksysmap | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/mksysmap b/scripts/mksysmap index 56a8b8bbdb37..856b26ba2ac0 100755 --- a/scripts/mksysmap +++ b/scripts/mksysmap @@ -35,7 +35,7 @@ / __efistub_/d # arm64 local symbols in PIE namespace -/ __pi_\\$/d +/ __pi_\$/d / __pi_\.L/d # arm64 local symbols in non-VHE KVM namespace -- 2.55.0