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 446BC3C454F for ; Tue, 22 Sep 2026 15:10:24 +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=1790089825; cv=none; b=IaO5IEtbicDq1MAH4xoQHIEqnu9WHbDFgBkRbC3dz4sC0Xlz8UATBfKYtpMIS44g/B8Rd3VPhBbGnfJCZDgl0ixmbhWRaGcaQOd0Q/zjRWdQB7B3fmTbnEimpWS9ux6poy0PZmRa4KSJgUiI9ZlKGgoWn2QiNXT+X/2zRfCFeA4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790089825; c=relaxed/simple; bh=ZwOpwJDSEYD0bH2Ji7c7DY15TW65zJKsKElrCC7cnFw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=OFcwO5MwnpPxncZqq/oSxxeT5E9GvJ7/jUhe62z75idhpgVyMswXOfnDGzZyR5scbDn4WOd8fXHDDWO6kacEIvAfMfmyZtWXGiJMTELlDbwun+8Xl8yqPO/Oyyf0K8bQRI4onWf6SPBeAwTblH1nIvKomh5+Lged5hyXj+xCMfA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VIzW9uiO; 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="VIzW9uiO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A516E1F000FF; Tue, 22 Sep 2026 15:10:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790089823; bh=omtP9ok1iojYdMTStCvMewR9KVHMrUfbkgUBxyeLyIk=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=VIzW9uiOZErgGwpb2MBkx+awxmmwYA78DwwJtiqJZwY5dCV0hNlDcpSr6qG5VMpD1 1OxTgIp9ilrwSCytuBosjm5tBO+jnw1i4RnYv9o7EYft6FUBUAiKRfWE2UZOMJkFQr 2S6v3AfRRGX8eSdG48n1JLmZI+cp50+pbeol/Ioo+750ldPVBkefk4LPUSiPKn/VsG 5J+1/Yfu7IWS9e8LC57iV0y60ieTfPrRKDuSOs3O1qzs/uJWds/1YBdl1PI4l0FMIv SyaIFUf8vq/v11n+gnUf0MTOCSOpZu9JumCDPkotgaZymL2r2orxQlCkQV8TLEbSMI cS/zfPYbzB8kQ== Date: Tue, 22 Sep 2026 16:10:17 +0100 From: Will Deacon To: Catalin Marinas Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Arnd Bergmann , Ard Biesheuvel , Eric Biggers , Daniel Borkmann , Alexei Starovoitov , Oliver Upton , Herbert Xu , Marc Zyngier Subject: Re: [PATCH v3 12/13] arm64: Kbuild: Remove vestigial big-endian support Message-ID: References: <20260918145217.1669-1-will@kernel.org> <20260918145217.1669-13-will@kernel.org> 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=us-ascii Content-Disposition: inline In-Reply-To: On Mon, Sep 21, 2026 at 11:24:36AM +0100, Catalin Marinas wrote: > On Fri, Sep 18, 2026 at 03:52:14PM +0100, Will Deacon wrote: > > -choice > > - prompt "Endianness" > > - default CPU_LITTLE_ENDIAN > > - help > > - Select the endianness of data accesses performed by the CPU. Userspace > > - applications will need to be compiled and linked for the endianness > > - that is selected here. > > - > > -config CPU_BIG_ENDIAN > > - bool "Build big-endian kernel" > > - depends on BROKEN > > - help > > - Say Y if you plan on running a kernel with a big-endian userspace. > > - > > -config CPU_LITTLE_ENDIAN > > - bool "Build little-endian kernel" > > - help > > - Say Y if you plan on running a kernel with a little-endian userspace. > > - This is usually the case for distributions targeting arm64. > > Running the checks through an LLM found that CONFIG_GVE depends on > X86 || CPU_LITTLE_ENDIAN, so it won't be enabled anymore. > > I think that's the only positive test of CPU_LITTLE_ENDIAN. Would you like me to add a '|| arm64' in there? I was a bit wary of doing so, given that I don't have a way to test it. Removing CPU_LITTLE_ENDIAN forces the issue, somewhat. Will