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 5681CC88E6A for ; Mon, 14 Sep 2026 09:25:14 +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=Omx7TCdlnkaXg5 i1/s36DI+Kv4tb7o0AI3QDkANu/9FaJ2GvPUOgHQtKCabVYFySr8dduTqgHwPz2Z/U8gb9cFYwLty OMPgNjU66cTTmr8gwopgY7IG+PFRUmxu8ytnTqL+fjhocackWr/2Zo47y1U8aeyRH7+8oT1nUm6oc bFXpJzdWUalq0iVnP+eWPQFkPkRuz4csMJ5FR8B4rYOeYsbg4j1j0g87YWVKzdIwxmkpZQcN9IbVo /MzD1AedrNllbSEb6RTQyHpTimSLbfStUsZoE3MKh2jwHaFiePBZnBw3AFew4U9zqbBkW5TqFauR7 nIj1snn5DAtG8SVO6fOA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x62vv-00000002w1g-0I2g; Mon, 14 Sep 2026 09:25:03 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x62vt-00000002w00-2OZk; Mon, 14 Sep 2026 09:25:01 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 026E8601DE; Mon, 14 Sep 2026 09:25:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99BE61F0089C; Mon, 14 Sep 2026 09:24:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789377900; bh=RpyglNkLvgtO+g1zDJNpkY3JopuChXGi3ttcKAuST+8=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=U3APckzcNb8JbHUrZoRsUAYzbb2c1GG3R21FSCiQl7qGnktoxcrbO5lQ1vnZIHOt0 UgAQtI9JIL23r52AaC8GHgQ5spR1CSkcKSTLzuob6H2/KGNx04h8NLIzGN0PTe1qab WmLKdME1iAZ4rlIMc38H/Twr1zbJf2hLQUXRLpfyh9bucU1GUncLmAKCjUcpgbsoJH q5xzRSbX30gawk84mxWqQGyD0RpF9V0RRW4691rZWARXSTa8YrRAfa4NpBuMWp08np 5N1M1ikxC7g5MsACM4LVKuNGTbLb1d81V1Elb0+sRCQfhcLoqIdkmPMymr6ajsVPvd phDdRui2DdyRQ== From: "Lorenzo Stoakes (ARM)" Date: Mon, 14 Sep 2026 10:22:18 +0100 Subject: [PATCH v2 19/21] rust: make exports.o depend on the headers generated for it MIME-Version: 1.0 Message-Id: <20260914-build-speedup-v2-19-39817ec5db23@kernel.org> References: <20260914-build-speedup-v2-0-39817ec5db23@kernel.org> In-Reply-To: <20260914-build-speedup-v2-0-39817ec5db23@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, "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=owGbwMvMwCV2fu7ZrsZH9SKMp9WSGLKW7zlkoemU35h/acemw+aTIx/+ZZy6y/DfZ4m925e/k ft8ZaukQUcpC4MYF4OsmCLL8y/i+4NEwuZ1XvB3g5nDygQyhIGLUwAmIvuIkeHRkV/PN5sz5D0q vFnKZfCRT1ErvnOmu0BJ1cYTZ3Y8PeLB8N9/3XuJuy1rmbb97z242mYK94ozySlyMl27Nh30fly 8PoMHAA== 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