From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.alien8.de (mail.alien8.de [65.109.113.108]) (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 BFCA84499A4 for ; Thu, 9 Jul 2026 22:37:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=65.109.113.108 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783636627; cv=none; b=SqG24DRP5WRLCifNPXADXej+aAnJ2HYzfv0GgM9xpCJ4AjAYGD7bnZ97k9LC8Hh82WNl8UHa0dCzvoQDDwQwIKFv1RmtQBIhXhYAkLf0y6HO36Jg5NQfVkMv0Z9WqjGQK4rlxxrh8NRjihLzm/IV2zgU3zLlCHuDhh5abBs34u8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783636627; c=relaxed/simple; bh=DGoDwqo6UbyBIeeIcxTHQeVOxSLTvGmaAJ7ja9nU9hw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ezoh3b2bnUmXpepVTq/U/Ji9cVz+bb1842HZYgtePFe/tQDT5fU4MZUVKzNxY7r1TdoGuJwBWXnEAVmofCr0N7gePtx5/+xXvdO8Hmmdu+wa6fCyvdZOnBWCxkbB0tUOXFANIePEcY/MMvl7aUGbfsaVhguXA0bOyKVyx+gbbgc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de; spf=pass smtp.mailfrom=alien8.de; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b=DMXFFDfv; arc=none smtp.client-ip=65.109.113.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alien8.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b="DMXFFDfv" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id 22D5C40E02B0; Thu, 9 Jul 2026 22:37:02 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Authentication-Results: mail.alien8.de (amavisd-new); dkim=pass (4096-bit key) header.d=alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 8eiQRrUnSsUz; Thu, 9 Jul 2026 22:36:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1783636611; bh=2AYfBaRy5ammXywd3m1DhokuTev/XsCoSBAFCH7VTjc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=DMXFFDfvJTRvj752v/CewVA0hTu4UirN64IIwEEegjShsKnnFg7M6aOrfTt0oncHx 5+1nOuo72fSG3qYiUelkhWs+6RB/pH0PWDZdtgSh7OVDPbJq/BkP4ZaZbf8q+tSILI KkMEStlXkTjpzgkLOdIjoYREHpp8wlGH+8eSpp8BOHJ2LHOCjlqdWvJ9YtZgsuMqnm YEr3o/VP7kfQFt7Ekb/B6ClYnnLa2WNq3nnLzvDBh39Qv9pz6Oiwhlifz9pGuNOrkk fhOS/+fFwaqPFoAQyAPJdUzr1cHdVT/U1KNNcwF8vov0wQtpB7e6nXxdgz/uFchsP0 YjFia1b91/O5sDxx+31r9atH+cHtzxQ082Eo2lzEMWwIn3ECLmYPBsc+eUrhGrlVth LhAOam3hFBBU0AwlGmIrzs7RjKvlCY+caaG7kyDE2T1T5XLlrnGHyQHlWuTlKqfbKS Viw5GMQU/2kxoHC/kw1I77LNYls9c2AmjlRub2Q1fq7QOUJkuKSpSPLQlcAdehY/c5 /vuY3pbBG+cZMhi7nD6gaBXUh9F999ZGCpSuDCMeBjpgaIX6q0a3MhsfY/5FQpv9nA hvYGejXe1T/+lAqk+0PYn6Eg9f6DRekbmQX0PBoqc6s9/C2jHDxyLEmP9fW17R5sMb Uop2097NZYI3vsH7cl8FuiSM= Received: from stx.tnic (unknown [IPv6:2600:1700:38ca:c00::3a]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id D4B5C40E014C; Thu, 9 Jul 2026 22:36:38 +0000 (UTC) Date: Thu, 9 Jul 2026 15:36:35 -0700 From: Borislav Petkov To: Hamza Mahfooz Cc: x86@kernel.org, Thomas Gleixner , Ingo Molnar , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Ard Biesheuvel , Nathan Chancellor , linux-kernel@vger.kernel.org, Jared White Subject: Re: [PATCH v2 2/2] x86/mm/64: free the gap between BSS_MAIN and BSS_DECRYPTED Message-ID: <20260709223635.GDalAic9FJDPeuPtpy@fat_crate.local> References: <20260623152430.1473481-1-hamzamahfooz@linux.microsoft.com> <20260623152430.1473481-2-hamzamahfooz@linux.microsoft.com> 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=utf-8 Content-Disposition: inline In-Reply-To: <20260623152430.1473481-2-hamzamahfooz@linux.microsoft.com> On Tue, Jun 23, 2026 at 11:24:30AM -0400, Hamza Mahfooz wrote: > This region is unused after mark_rodata_ro() and takes up, up to 2 MiB > of memory. So, free it in mark_rodata_ro(). > > Co-developed-by: Jared White > Signed-off-by: Jared White > Signed-off-by: Hamza Mahfooz > --- > arch/x86/include/asm/sections.h | 1 + > arch/x86/kernel/vmlinux.lds.S | 2 ++ > arch/x86/mm/init_64.c | 4 ++++ > 3 files changed, 7 insertions(+) Sashiko has comments: https://sashiko.dev/#/patchset/20260623152430.1473481-1-hamzamahfooz%40linux.microsoft.com -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette