From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 B666F280324; Sat, 21 Feb 2026 22:01:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771711318; cv=none; b=SoGKcXFJSo67Q9lXEhWU2o5SmOV6asJKTjOVumDdnEDh3DUnLK3Gf5mEi6N7R3FzgHdxuqdmMW0Xb8O930gncy+zN3/j/vAGIKO8PMPNEaKr0n31cVL1s7jpxTDGiIzIQZZ0IJH62gnRyB99Btxk0e4SbiSJI8ArQoKCMErCFuk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771711318; c=relaxed/simple; bh=20a+tYRkc9plljsBoBRBzCC27DmkDCn4o9q+kiWHgEU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Tn4QRGbxZzBsE+MYPXeRBMv2Ty9eT0W3vdQWULMyIB0Mp4Ho1bg59nHRR7z26B+JuO3xK0+wSbYz4FNRN+K3uDduhoJa7s+rKK9krvl3NSvVLuXKJh9qhah10c9kUfr2jYNcdgWdM1tKPKnAo74YpBomkPZWN8eh1H2RMxNYKsw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=a3ub2MXT; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="a3ub2MXT" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=wKbbsAV9GKA7qu43sPIgrm99UQtsv+1OBx9lmas+e9U=; b=a3ub2MXTZUYipWSqRs5JoR+qvb Lu4dte+QWAvzbcG88JjsIsAp0/gAVW0HgMLY3+6/eiWcR6fCQRWs3jhF+B+gkh4PDz+21hFilsnBg aUMlolNb83OP0YZq83CapQUruahsC4iPAzZfliaZZA+Sq39/C1Jj0Pa3hkb1+7ye8BZOCCD4YxpNv 9Ohy6J4Znb97dDcNuInYPV947AiSOvd5VEUMk5lQ/mYYR61oOYKeEiqqQvYFkji3ywr6T+57UOlN6 JytwOmGwf00zp2lRxplBfT+WqTtmLOBtpIi6Sl8CSXdVgemCXc+Tncs1tGlso+Sj8dznJTXSDTKud a1BvUNMQ==; Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vtunR-0000000BzyP-42kV; Sat, 21 Feb 2026 21:45:53 +0000 Date: Sat, 21 Feb 2026 21:45:53 +0000 From: Matthew Wilcox To: Ben Hutchings Cc: Greg Kroah-Hartman , stable@vger.kernel.org, patches@lists.linux.dev, Thomas =?iso-8859-1?Q?Wei=DFschuh?= , Arnd Bergmann , "Russell King (Oracle)" Subject: Re: [PATCH 5.10 02/41] ARM: 9468/1: fix memset64() on big-endian Message-ID: References: <20260209142256.797267956@linuxfoundation.org> <20260209142256.889650945@linuxfoundation.org> <1a11526ae3d8664f705b541b8d6ea57b847b49a8.camel@decadent.org.uk> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1a11526ae3d8664f705b541b8d6ea57b847b49a8.camel@decadent.org.uk> On Sat, Feb 21, 2026 at 09:21:42PM +0100, Ben Hutchings wrote: > On Mon, 2026-02-09 at 15:24 +0100, Greg Kroah-Hartman wrote: > > 5.10-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Thomas Weissschuh > > > > commit 23ea2a4c72323feb6e3e025e8a6f18336513d5ad upstream. > > > > On big-endian systems the 32-bit low and high halves need to be swapped > > for the underlying assembly implementation to work correctly. > > Now it's broken on little-endian, because CONFIG_CPU_LITTLE_ENDIAN was > only introduced in 5.19. > > For 5.10 and 5.15, please revert this or change the condition to > !IS_ENABLED(CONFIG_CPU_BIG_ENDIAN). Probably best to pull in the version Linus preferred: https://lore.kernel.org/linux-arm-kernel/20260213-arm-memset64-cleanup-v1-1-644a9735eeec@linutronix.de/