From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 6AB5423A589 for ; Mon, 13 Jan 2025 13:15:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736774112; cv=none; b=oLjqE3TD+E4ecB9ZGPghn3odgpVvobvsNndmwf15aVYJfvyOkle6H77J77kKXpiotpl4NKCas9ED4gi093XqFusPrTrKjzBZNaZ/2g3H35ycULnumTZeavqKnhpcve6/pou1HDcAzMwZvdzq38WpfMcOqLxXV6PqXZuH2ts0JZE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736774112; c=relaxed/simple; bh=I3u6bd8757PxSyg0bCoG9m072MBd2QFF966dNprR/Kc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=WQFUJaOSwlNlbffYAAdzq9xMSHKsjOZMIpvlma+EQhAk/Lw62S9k2bHF+oJxBy7Cxaw2HukL5iC2RXcAZdMBtw/F3Tirp9Q6KeMioYfDKdBedWTWobTQl03qWOr6Vz2hHR2BRFT6RM+xaXwzoRDipmA0Pz0XvoTkT8m3/eRKgEg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.helo=mgamail.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=YuN6hBBY; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.helo=mgamail.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="YuN6hBBY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1736774110; x=1768310110; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=I3u6bd8757PxSyg0bCoG9m072MBd2QFF966dNprR/Kc=; b=YuN6hBBY5nDnKiTavxAIBdrShRDHVl0+xR/aUyMlytENJMR99GgeucFV xHcrjb0zLEGrqap1voR+/D9a8udSwvkqGOUyvAKwDg4Drurwd9OfNJ2Cj Zm7Rz42BfnEU6d+JkDBHE6IuuiiFYmbGzTCfNeUGBrhtsg1bbVb5TtyoS 48bbT68mlx+8WFLyLSPgW3Ku5gwoNV/wf5AD1l/vIN/ZF6aYDv/k5k4xy ozZdnvD/qSz7wnvr0Ju8ATXGCFx42SLU3WhxmtQr6JfjkchIgAKWM6pJN DApAjk91pVVWjN/9yp6qWayp5JjqsWBF87BdCCcyW8xsLGZtjSHSSGLKk A==; X-CSE-ConnectionGUID: vlk1/g23RbqFBD6Fd/o2jQ== X-CSE-MsgGUID: /RVRS+VDROKXjlO/b69gWQ== X-IronPort-AV: E=McAfee;i="6700,10204,11314"; a="47700434" X-IronPort-AV: E=Sophos;i="6.12,310,1728975600"; d="scan'208";a="47700434" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jan 2025 05:15:09 -0800 X-CSE-ConnectionGUID: kMCNY5LOQvOjI9hWsYep5Q== X-CSE-MsgGUID: 0fEbbQbhTQGsV7c2+f+4lQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="104359351" Received: from black.fi.intel.com ([10.237.72.28]) by orviesa010.jf.intel.com with ESMTP; 13 Jan 2025 05:15:03 -0800 Received: by black.fi.intel.com (Postfix, from userid 1000) id 2643E39C; Mon, 13 Jan 2025 15:15:02 +0200 (EET) From: "Kirill A. Shutemov" To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski Cc: Albert Ou , Alexei Starovoitov , Andrea Parri , Arnd Bergmann , Daniel Borkmann , Eric Chan , Jason Gunthorpe , Kai Huang , Kefeng Wang , Kent Overstreet , Palmer Dabbelt , Paul Walmsley , Russell King , Samuel Holland , Suren Baghdasaryan , Yuntao Wang , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, "Kirill A. Shutemov" Subject: [PATCHv3 0/2] x86/mm: Make memremap(MEMREMAP_WB) map memory as encrypted by default Date: Mon, 13 Jan 2025 15:14:57 +0200 Message-ID: <20250113131459.2008123-1-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Kirill A. Shutemov" Make memremap(MEMREMAP_WB) produce encrypted/private mapping by default unless MEMREMAP_DEC is specified. It fixes crash on kexec in TDX guests if CONFIG_EISA is enabled. v3: - Update commit message; - Add Cc: stable; v2: - Fix sparse warning; Kirill A. Shutemov (2): memremap: Pass down MEMREMAP_* flags to arch_memremap_wb() x86/mm: Make memremap(MEMREMAP_WB) map memory as encrypted by default arch/arm/include/asm/io.h | 2 +- arch/arm/mm/ioremap.c | 2 +- arch/arm/mm/nommu.c | 2 +- arch/riscv/include/asm/io.h | 2 +- arch/x86/include/asm/io.h | 3 +++ arch/x86/mm/ioremap.c | 8 ++++++++ kernel/iomem.c | 5 +++-- 7 files changed, 18 insertions(+), 6 deletions(-) -- 2.45.2