From nobody Mon Feb 9 13:21:19 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 4C4033081B8; Sat, 25 Oct 2025 20:53:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761425626; cv=none; b=bbJk1+PCYyr5DXoS0pPTLMD04G4PzNGBIoMgjjMmU3umx6lr7gNFI/PlzalAoiQeHDC0rVla3ADu4xlhstxLUcUVAkT2hR3QXPfGDf5gyTP27lZvNZKPaYSTun8/SfhXbmyIzp++K4BFZxdjdltiO9dZ+fYTMCsBXUnl+ZHgNYg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761425626; c=relaxed/simple; bh=iG5SfyTk4AKapcKPPrgaFC/L53w+793p/xw4lohb8j4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=gcaO0ml15nfyXs1UEiGFrY3QIJJYTAU1Ty0rKv1q1C9xzvsQmA+NzMpwaycGR6pZIzqevDMotftWwwMYDyo5t8wBAXP9IGAOgLc3rpN7PIjZeweCp1Cniz4dtvYzEkK9ZNnhpMeWMfV7Xy92o1CmdlhmFbS7sd6/DtxAV8vQrjE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tIOI0fBX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="tIOI0fBX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E0286C4CEFF; Sat, 25 Oct 2025 20:53:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761425625; bh=iG5SfyTk4AKapcKPPrgaFC/L53w+793p/xw4lohb8j4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=tIOI0fBX3xZrYkIIJKOTTujgZFS5HWbD5Fq0jy1bprFv8lhHtqpaHaNXYfigNsuvV IPJSVSUUb/H19XVseECrJfWHff5FzANCf/bFsgYXSmZ/XitcJLQDCQGQ202ZyXySnC djE0aeNgokJhBAFjxVoNpURGUPu2DzKnoiu2vgAb900a+kKkBB0z2R6qGyQHX9QfRF 1U4yvR2tstfL8mdlQBpehKXVDp/ifN51kZf6nVyfEZIRrNPsGSDhaEalZBTe+tnZ9h A+qqxJAg6ovg04sN7aHZT34rLlamKBuPYTeqC6s31CrnnGAbsnTjvE6oV5d2oD76aQ ctQrpfhR7nA/w== From: Nathan Chancellor Date: Sat, 25 Oct 2025 21:53:19 +0100 Subject: [PATCH 2/3] ARM: Select ARCH_USES_CFI_GENERIC_LLVM_PASS 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: <20251025-idpf-fix-arm-kcfi-build-error-v1-2-ec57221153ae@kernel.org> References: <20251025-idpf-fix-arm-kcfi-build-error-v1-0-ec57221153ae@kernel.org> In-Reply-To: <20251025-idpf-fix-arm-kcfi-build-error-v1-0-ec57221153ae@kernel.org> To: Kees Cook , Alexander Lobakin , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Simon Horman , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Sami Tolvanen , Russell King , Tony Nguyen , Michal Kubiak , linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1058; i=nathan@kernel.org; h=from:subject:message-id; bh=iG5SfyTk4AKapcKPPrgaFC/L53w+793p/xw4lohb8j4=; b=owGbwMvMwCUmm602sfCA1DTG02pJDBl/Lc7cXRGgEvFzhe+9sFOGP38axfW9tZlhLmOZX/NkW wwnw6SbHaUsDGJcDLJiiizVj1WPGxrOOct449QkmDmsTCBDGLg4BWAiySwM/wxDz1zd/XRjSMYZ vym50b0nP25112lec31i1Ha1lzW5idmMDF3XTz96kqbppmE8gT+FIdqm4Ne2c1cVVkeGynAsFN3 FxQ4A X-Developer-Key: i=nathan@kernel.org; a=openpgp; fpr=2437CB76E544CB6AB3D9DFD399739260CB6CB716 Prior to clang 22.0.0 [1], ARM did not have an architecture specific kCFI bundle lowering in the backend, which may cause issues. Select CONFIG_ARCH_USES_CFI_GENERIC_LLVM_PASS to enable use of __nocfi_generic. Link: https://github.com/llvm/llvm-project/commit/d130f402642fba3d065aacb50= 6cb061c899558de [1] Link: https://github.com/ClangBuiltLinux/linux/issues/2124 Signed-off-by: Nathan Chancellor --- arch/arm/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 2e3f93b690f4..4fb985b76e97 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -44,6 +44,8 @@ config ARM select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF select ARCH_USE_MEMTEST + # https://github.com/llvm/llvm-project/commit/d130f402642fba3d065aacb506c= b061c899558de + select ARCH_USES_CFI_GENERIC_LLVM_PASS if CLANG_VERSION < 220000 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU select ARCH_WANT_GENERAL_HUGETLB select ARCH_WANT_IPC_PARSE_VERSION --=20 2.51.1