From nobody Sat Sep 26 06:24:01 2026 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 29E834F4736; Thu, 3 Sep 2026 20:12:28 +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=1788466358; cv=none; b=mY8oIcLcyd1T20WOqY65GcLSmrvKcq6DuRpg7aDQPpHwOVdOCVx/3yC3wmutTz6cWIbOJvcvPHtFfY5iDVvhTnNyRYacWBFl5nDsVZqaAGgzgPiv0EKdvjzlS87GLnDKLNtRRcbAjXsg+PqdO8/35euHSrCVv8O3PazSwVr9Cwk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788466358; c=relaxed/simple; bh=i1peq7VbCVCF9eRkc2cvgC+qdC+Zx2KAzImcVFOceP8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=YpAp5UCD7/TSVQAjbiHP+gs3+E7Fb761Xs7VixcgjunpnYU2wIYkmC9gEOGry5EyM8s4zkkYt0ENTgtoGgn1AI54MIq5g6HyvIe/o0rGHt2hhtZufqYwXq5uF9TBdGZ7W7YZWdv747bKauqn7/RncuMXW6/jWJEl7xYkenANfJo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SuO1Qu2D; 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="SuO1Qu2D" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 704711F000E9; Thu, 3 Sep 2026 20:12:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788466341; bh=fUUEXbewzb/KDhdFKrSd3H3LK5U/uFqZ74akQCGrc60=; h=From:Date:Subject:To:Cc; b=SuO1Qu2D8wRq/Uk7lXYT8foIXzYRKXLFIkhgtnhNroYX7I2OJgf4QjRvjz7/q3j9i ndbag4m2+SXIprB+DxQ/57xO/hcrNTrW15svPSxw5gslrnkB4+b2gOqvr7PEUQUn7+ RIrgexeq4D7RzzPElYl0db+AJkqGOVG3r3YnmluKLN+QNiGvcj5GEG1E2KDI7huAOv o7fu2banoiZWyCxzh6uAFEQJA8/sXjFBoTvloy59vTcM9EFQ1dcMw+nBTtG2kPY7WH NHlwI1lTuYYQ+RQ1gUGjFdgyXrTB9TIzeQdgptWMCyrFB2vMdOPFAactilUQk4BZT8 pJhq271XYDyqg== From: Nathan Chancellor Date: Thu, 03 Sep 2026 13:12:04 -0700 Subject: [PATCH] loongarch: Do not select HAVE_RUST when KASAN is enabled 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: quoted-printable Message-Id: <20260903-loongarch-disable-rust-with-kasan-v1-1-1813d3c4baad@kernel.org> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/yXNQQ6CMBBA0auQWTtJqYSoVzEupmWgo6Q1naImh LtTdfk2/6+gnIUVLs0KmV+ikmJFe2jAB4oTowzVYI3tzdkccU4pTpR9wEGU3MyYFy34lhLwQUo RmXtPtju5sfVQO8/Mo3x+j+vtb13cnX35hmHbdk+ugeaFAAAA X-Change-ID: 20260903-loongarch-disable-rust-with-kasan-ee6ca248bf1c To: Huacai Chen , WANG Xuerui , Miguel Ojeda Cc: 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?= , WANG Rui , Mark Brown , Kees Cook , loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, Nathan Chancellor X-Mailer: b4 0.17-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1453; i=nathan@kernel.org; h=from:subject:message-id; bh=i1peq7VbCVCF9eRkc2cvgC+qdC+Zx2KAzImcVFOceP8=; b=owGbwMvMwCUmm602sfCA1DTG02pJDFkzr8xy5brQYGUS/FFuRVJh7xMuT4lfc/lO/dtSwOX59 h3H/urpHaUsDGJcDLJiiizVj1WPGxrOOct449QkmDmsTCBDGLg4BWAiO7gYGXZOenzJ5/eKakOm Zq6EhII3M/2cXGzX7H4ZKL7E+uzB5kJGhmO3FU7ar6hyY+S731o6UW5nS8LpwOci8VVmZy0DX3L u5AUA X-Developer-Key: i=nathan@kernel.org; a=openpgp; fpr=2437CB76E544CB6AB3D9DFD399739260CB6CB716 After commit 2625480a1bf7 ("hardening: Default randstruct off with rust for better allmodconfig support"), which allows Rust to be enabled for allmodconfig, ARCH=3Dloongarch allmodconfig starts failing with: error: kernel-address sanitizer is not supported for this target error: aborting due to 1 previous error make[4]: *** [rust/Makefile:741: rust/core.o] Error 1 For the same reason as commit 84a0f7caafc6 ("ARM: Do not select HAVE_RUST when KASAN is enabled"), do not select HAVE_RUST when KASAN is enabled until the loongarch64-unknown-none-softfloat target in rustc supports KASAN. Fixes: 90868ff9cade ("LoongArch: Enable initial Rust support") Signed-off-by: Nathan Chancellor Acked-by: Miguel Ojeda --- arch/loongarch/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index a21f51e5815e..2067d1f2ad7a 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -175,7 +175,7 @@ config LOONGARCH select HAVE_RELIABLE_STACKTRACE if UNWINDER_ORC select HAVE_RETHOOK select HAVE_RSEQ - select HAVE_RUST + select HAVE_RUST if !KASAN select HAVE_SAMPLE_FTRACE_DIRECT select HAVE_SAMPLE_FTRACE_DIRECT_MULTI select HAVE_SETUP_PER_CPU_AREA if NUMA --- base-commit: 940de590b839f71d6dc846160534bf202401b8b7 change-id: 20260903-loongarch-disable-rust-with-kasan-ee6ca248bf1c Best regards, -- =20 Cheers, Nathan