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 7A894E909A3 for ; Tue, 17 Feb 2026 13:50:27 +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=NBDtLdoS1TjfOYTWIopGDoRfaILTfRvr6pc82f0aQog=; b=dTR7UEbBgD/z+k8SscZrdn4SHu M3/YfykZZLeIvQZ537y+6bjIJMuzeG3tE+PZv7j7kVrCsAHmUsI2E4hVB1D0cQpkcqEg5sgBmUl6B zNJztPLdnWULIA/3KXjwbP+U0gPvP9vAvHIS9eizppr/k2okc6vDbMM3mneDYDI20YZaY52sGO+yX AjgMSMpq6FM9JHkIrLlxhOQ6nJ8sbkHH5Gs0AHGD16xgEBIGajHGSxXPyua42KlZfT3F9PqAXTFub mWDKAzCxsoHhcJ4C8c/+dDJwR8jKaWImwkgm+2yAS72Avdp/C9QBDzPvrcrd48Ln4nb18qeLqvxvs dpvItjVw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vsLT3-00000008MHa-3ZeW; Tue, 17 Feb 2026 13:50:21 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vsLT2-00000008MHT-08dn for linux-arm-kernel@lists.infradead.org; Tue, 17 Feb 2026 13:50:20 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id B13E160128; Tue, 17 Feb 2026 13:50:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 45EBAC4CEF7; Tue, 17 Feb 2026 13:50:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1771336218; bh=Dfw9+j/itSiNkJGSOrHPlfOkShQBymFxhpeObmUl/NM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=a+AXkeY4FDzLfPe2bzC+HQQ17VtrouZtJ2AlK11HcCRFPJWWJJHvbTYuE/Zj2ZV3D RdtU7VtOVwtTJ+5/4LlIsFHn7kAUUXM0g/VQhHxSj3Z5PYVw8QQfJ7BshwPB/S/che 6wP73p6R4iQ7L1S7hBw2gCRPJWYac+9eKMmnzREw= Date: Tue, 17 Feb 2026 14:50:14 +0100 From: Greg KH To: Ryan Roberts Cc: stable@vger.kernel.org, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jack Aboutboul , Sharath George John , Noah Meyerhans , Jim Perrin Subject: Re: [PATCH 6.6 0/3] arm64: Speed up boot with faster linear map creation Message-ID: <2026021700-chafe-jurist-cb24@gregkh> References: <20260217133411.2881311-1-ryan.roberts@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260217133411.2881311-1-ryan.roberts@arm.com> 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, Feb 17, 2026 at 01:34:05PM +0000, Ryan Roberts wrote: > Hi All, > > This series is a backport that applies to stable kernel 6.6 (base v6.6.126), for > some speed ups to enable significantly faster booting on systems with a lot of > memory. The patches were originally posted at: > > https://lore.kernel.org/linux-arm-kernel/20240412131908.433043-1-ryan.roberts@arm.com/ > > ... and were originally merged upstream in v6.10-rc1. > > I'm requesting this be merged to stable on behalf of a partner who wants to get > the benefit of this series in Debian 12. Why can't they just use a newer kernel version (i.e. 6.12)? Surely they would be able to justify moving to a newer kernel for performance reasons, why enable them to stay on an older one, just delaying the inevitable upgrade they will have to do anyway in a year or so? thanks, greg k-h