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 2D1A4C5B56A for ; Tue, 11 Aug 2026 15:44:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=elSPNXzdKmLiSzaBsIbjtlxTtbtBm9V1qIvc6L3Olnk=; b=iiMFoJxh8QXSleB2coRRVhtsnK hNcrDDbowROPaQ/z1mYxNayJ8j298sR+4sgb6XPI57HjHpC8ZZHvWIlNLRXDicryRzL5qB0AVocpJ flmveXEoRW1zADA9LI6HiiU3qIasuNA1JDsQMQozvhZuPa7QI1DVHj/34IFJwU6mO9PXVU73aOq8n UuQeJbOFgAjJ6UmWsh0mE7XwI91Q6JZlHaRqh2YunCSuEscl4BgchVkWk1abj5q4lVCdZ2odpHUMg AeEDTzbyUL7ac4o/awm8f5G303tuYTgvJLQn/ENLu91FSw7SC6rXDljlDFrSbBW6+fkHFOlV4nQRN F2XXF7vQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtodu-0000000EMjt-3Zvn; Tue, 11 Aug 2026 15:43:54 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtods-0000000EMjK-2HPG for linux-arm-kernel@lists.infradead.org; Tue, 11 Aug 2026 15:43:53 +0000 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 B9EAB1516; Tue, 11 Aug 2026 08:43:46 -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 096D23F632; Tue, 11 Aug 2026 08:43:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1786463030; bh=hQLSjCwZk9nOSIrJE2YUoZMmluijQPyTacbicC/GIzg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tACVSB9haxx+b5z5esFq1GdMDSp73EAaLWClW5d/yi9uQLUdt9xeDY4nnDhmtPnen uUTqogDxL2FL1EtY3wdTkQ1cAeYnH0b1Yt9vpRphjoNKPL06DiEnxTbG0GYEqGdscc K5F3mV4QK7ftIcrVGstaMk6l+ktUqPBcUQBvvnwM= Date: Tue, 11 Aug 2026 16:43:46 +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 00/12] arm64: Remove unused big-endian support Message-ID: References: <20260811140132.22778-1-will@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260811140132.22778-1-will@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260811_084352_618104_2D53A563 X-CRM114-Status: GOOD ( 10.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Aug 11, 2026 at 03:01:19PM +0100, Will Deacon wrote: > Hi folks, > > Big-endian support on arm64 (CONFIG_CPU_BIG_ENDIAN) has depended on > BROKEN since 1cf89b6bf660 ("arm64: Kconfig: Make CPU_BIG_ENDIAN depend > on BROKEN") and has already seen some clean-up patches removing some of > the unused support code (e.g. 5276ea17a23c ("lib/crc: arm64: Assume a > little-endian kernel")). > > Finish the job, and remove the remaining big-endian support code from > arm64. Note that the SETEND emulation for 32-bit tasks remains and so > some of the mixed-endian EL0 helpers are retained. Acked-by: Catalin Marinas