From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9454DC98302 for ; Wed, 23 Sep 2026 17:23:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Gp2m2KOK/WyoYWXWr9os1kxS/jVKvVtyWdk0JsXBP8M=; b=h9uzAY3zGGuqom 6+BwCBuPO3V5z37qQbzF62cz9P1OaQkvlYKsi3nA3uvPPKwos/XRYp4LgoCbAIt+WYy17GOdSs8Pq knszdxFockBMH6PFcjipU6diRJUnn9i2mECaWSy5q6W/XssLG5gyzZRFJn2Jvw2o8Dc8kugZKR/U2 uK2r5A2eoJycDeyyxQ7haxh/1feSiZdpGVB07eFjCcEVCLgSq8OxkkFEyHgFfwvxJ4DRF07Fuiqlq uILSob+loy7wPYRLXEeDt/ccTfQB2NzSLWClhQu2XsLCIaCBQdF+V0fimvfhQcZMx3qcNyAym5YS0 MZ/AAjPNltBDDX4G1f1Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9Qgk-000000091cW-1qqf; Wed, 23 Sep 2026 17:23:22 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9Qg0-000000091Jk-2qJ8; Wed, 23 Sep 2026 17:22:37 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 1DEC2600AA; Wed, 23 Sep 2026 17:22:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E59621F000FF; Wed, 23 Sep 2026 17:22:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790184155; bh=RpyglNkLvgtO+g1zDJNpkY3JopuChXGi3ttcKAuST+8=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=CW3sRhYGfPGHFUr2248WZC9Hf230RyEjEzZbWKjU10wEURx4jBU49P/EFHuafJBm+ OhE4O8riLvUVZKfj4H/BTTHlZzJXwTyytVTgwGIT0k1AJydF/bYU9STRDiFSRDNFBB eRgu/eySu3QFdveEJjwRKEwWO4hyeDY1mumbYmXPEJvmSbke1OrkvTcQnvBAiPLc3y YZgouDBBvQYnRYKk1KGsaCzYvtSWubA0PVabCoAPotC2a41sy+iXsOMwez5xJf7Uu+ avQKUwuhymuDeaGIWkBiUBI62/GgIEWU2vBBJuAZWr1gPu5RfuCY4aNh0ACOFZxBOi mHsJbxX3+BTAg== From: "Lorenzo Stoakes (ARM)" Date: Wed, 23 Sep 2026 18:18:09 +0100 Subject: [PATCH v4 20/22] rust: make exports.o depend on the headers generated for it MIME-Version: 1.0 Message-Id: <20260923-build-speedup-v4-20-73128809a4a4@kernel.org> References: <20260923-build-speedup-v4-0-73128809a4a4@kernel.org> In-Reply-To: <20260923-build-speedup-v4-0-73128809a4a4@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 , Kees Cook , "Gustavo A. R. Silva" 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 , linux-hardening@vger.kernel.org, Petr Pavlu , "Lorenzo Stoakes (ARM)" X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1286; i=ljs@kernel.org; h=from:subject:message-id; bh=kx145CbsbOZNlrJo3YNnQ6X8zzclemP0tqvdTYAGrNw=; b=owGbwMvMwCV2fu7ZrsZH9SKMp9WSGLK2cF7dpf38yyJDZYecy4KWgWrRi7NmPFe7ENX/WW0hx 8TavfoyHaUsDGJcDLJiiizPv4jvDxIJm9d5wd8NZg4rE8gQBi5OAZiI0RtGhhuHD+28qdz11fP9 s0evqt3jWD5W/4r/U/FSRNopgLHaNZWRYVrvjjMvdq+d25Z0MPWC1yelO+89WkNXcjr8vFpf37l 8DRMA X-Developer-Key: i=ljs@kernel.org; a=openpgp; fpr=E7F417BF5214569E89D04F46CF9DCD8A81E27F14 X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org rust/exports.c includes the exports_*_generated.h listing the symbols of the core, bindings, kernel and helpers objects, but this is not expressed in its Makefile. This worked previously because the headers are always-y targets, and make prepare built all of the rust crates first, which is an implicit dependency. Fix this as it is a dependency of the subsequent commit. Assisted-by: LLM Signed-off-by: Lorenzo Stoakes (ARM) --- rust/Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/rust/Makefile b/rust/Makefile index da1a7409d984..74d21ae6f383 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -728,6 +728,11 @@ endef $(obj)/helpers/helpers.o: $(src)/helpers/helpers.c $(recordmcount_source) FORCE +$(call if_changed_rule,rust_cc_library) +# The exported symbol lists are generated from the crates' objects. +$(obj)/exports.o: $(obj)/exports_core_generated.h \ + $(obj)/exports_bindings_generated.h $(obj)/exports_kernel_generated.h \ + $(if $(CONFIG_RUST_INLINE_HELPERS),,$(obj)/exports_helpers_generated.h) + # Disable symbol versioning for exports.o to avoid conflicts with the actual # symbol versions generated from Rust objects. $(obj)/exports.o: private skip_gendwarfksyms = 1 -- 2.55.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv