From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (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 128B422541A for ; Mon, 17 Feb 2025 16:42:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739810559; cv=none; b=DTLooX4QL7Aq8ifrOFGXYseomUT5i3O34L/p14G8ylgnIRbNNiViQpe+6Hexu1gi8AwgeBYF2PyoS/Imh0KtQXHMD+bgsUb//uzDTIMXrS+netAwWnNBSsSRaKXIpyJ4NVxsOPCYjOOVm3VqIojLO7ftmwywc5ITqJJxHU11kSA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739810559; c=relaxed/simple; bh=tyrZi4t3b2IXxjYSUmajtM2LB3gk2W9CEP0El9BjLIQ=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Gymhla1gjcvt6I8CtCQQoF4HL4mvj5VhIwqF8XJyD8n8RymgUqN0bxJHyags7VcABc+M4XbUyi7TB/TxtMABexNeJR0mSHtNWOMCOiNnpLzfMGOuBkK4/3ppjEaIEznkCcnaPFpfCO0flUCI1DSt2TRVA7CYlvcOcjjTboMREMY= 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=Xl6zXgrN; arc=none smtp.client-ip=192.198.163.12 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="Xl6zXgrN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1739810558; x=1771346558; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=tyrZi4t3b2IXxjYSUmajtM2LB3gk2W9CEP0El9BjLIQ=; b=Xl6zXgrNu4/WjsNMITjR5Liiico0H9PgcxZjDYEMqZQoV9dEtKON7BnX uJQM4ntFEnYA9y8U5Xn1on1owFSzoe5aoz89AKNSM+M/Ql5ymkmEEMGxn sgpUmbPivGC11aIecI4cx6qrhbOKzdirOj1xlrb1lT6xEllcb+LaB9Jx7 d1NktFO08nFLOrcpGBgWs6pyl+0xv9pzZHogdK8HzL7TA9clWLcqg5B9k +20ueWWuUCE3KussEiOOO1pC9TXT9oWitBsQundQCTh3gtbSwCXhZXUTU xtWz0iu1D2/uP++Fl0bsEOVoTumFLdXtesTa7eDJWcRrqxzdogG0GYhY0 g==; X-CSE-ConnectionGUID: GK8hJfQLS0KRD2xBgNGpEA== X-CSE-MsgGUID: vnr/ZAN1S4y2HaZgWlCL0A== X-IronPort-AV: E=McAfee;i="6700,10204,11348"; a="44426567" X-IronPort-AV: E=Sophos;i="6.13,293,1732608000"; d="scan'208";a="44426567" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Feb 2025 08:42:37 -0800 X-CSE-ConnectionGUID: /AahWOaxRZmGux3Yy1B1rA== X-CSE-MsgGUID: IuYgUEE1RESuzp/t6DB12w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="119092109" Received: from black.fi.intel.com ([10.237.72.28]) by orviesa003.jf.intel.com with ESMTP; 17 Feb 2025 08:42:30 -0800 Received: by black.fi.intel.com (Postfix, from userid 1000) id 70355111; Mon, 17 Feb 2025 18:42:29 +0200 (EET) From: "Kirill A. Shutemov" To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Tom Lendacky 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: [PATCHv4 0/2] x86/mm: Make memremap(MEMREMAP_WB) map memory as encrypted by default Date: Mon, 17 Feb 2025 18:38:19 +0200 Message-ID: <20250217163822.343400-1-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.47.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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. v4: - Keep default-decrypted for SME machines; 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 t 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(-) -- 2.47.2