From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B87213C09F1 for ; Mon, 21 Sep 2026 10:24:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789986283; cv=none; b=uPxKpVIu+4vOFYb6tj7NlPimVCp9L27PaWXf7086Lec0egpr3+RbEsYlQIfYpMrFOMKPUPvwmhoMKZFHh60xLFJ0DwRV5djxpwURpT8YqBYZF/Auz9XHFve12kztL9vQYWvb4YQjzpeGiPAmRNLU1qFwlM48Jqs4yXFN71rEZkU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789986283; c=relaxed/simple; bh=FhXjGblU154b3/iGKZgOvko5HqBskKdnpkd2ss6SKBw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=nONR4aVGiOliEfB/eIGVG4bNT7LIlTlmdQDnovyntWuYodVu3TSfzCvjUMfxcjZ9+9OphIeV74SCfBCg+QT/VFoj1Wamqi+r8nxjlR5aRZdH9t5paDvPNVnkE2yztmiapeJz0Bhu46hHvVOTE+RQW8MjTR15s/0lZPvFEnc075o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=PP+b/+Bl; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="PP+b/+Bl" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 87C3219F0; Mon, 21 Sep 2026 03:24:37 -0700 (PDT) Received: from arm.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id A9DBA3F86C; Mon, 21 Sep 2026 03:24:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1789986281; bh=FhXjGblU154b3/iGKZgOvko5HqBskKdnpkd2ss6SKBw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PP+b/+BlFbviOChQuugyXCOT9qITsdQW628WzZJIkn8J7eQr7Z+d1r95L0xVfD1Bw LcS4DgVewJ0NUeNGAUniVn8IKG3xT5vqPtwMy+NzOibblC1J6uR0epCNTp6uIzItWt r7SQsbQCnIGDsMgAECycXtGKxHqhnlHZ7LsRHu2s= Date: Mon, 21 Sep 2026 11:24:36 +0100 From: Catalin Marinas To: Will Deacon 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: <20260918145217.1669-13-will@kernel.org> 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. -- Catalin