From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 DD49D1E0B80 for ; Thu, 17 Oct 2024 15:57:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729180629; cv=none; b=g/oQL1ozMZ3kyBgAzJrMzjKc4g0pe9bpFZeEeG4DzLaNKERoBGUFVQeJcplB3n8UNpuFYuYiJTSccy/zbSrYW2Ruu8NIR9OEGDbcrJtLHJdM4NG+3qDglntUqx+ywkqQeHdw2xRjPaComFxTYAxxQrI9f+Lwuq1BieMDcXvboGQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729180629; c=relaxed/simple; bh=cFzzvpiMkjAjvhangRLjMs/3T+cI3jEZdRM4LzxxOx4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=tpEA8O9jyAgTYv9EPR/HiqbkNT5yme3ZkC3oS05/8zG1eMA3UScG7H/oMwhyL7Iz6h6i36YrCulfyvuYJVNkjmQ8aYTZyaMlhNPBc54hnIbzTAyIzU0fLOI74ciAxbr6poJBhIU9Fj8jagMzXSPt2Zz4t6KS1yzEeQLkZTT25h4= 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=WuoQ7d05; arc=none smtp.client-ip=198.175.65.21 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="WuoQ7d05" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729180628; x=1760716628; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=cFzzvpiMkjAjvhangRLjMs/3T+cI3jEZdRM4LzxxOx4=; b=WuoQ7d05jVQskJ3uoP7Chc6p2fm2zTfEoG6qE8tWeed/U1xvmh0YNtAJ kl3UJJiacmYl8hkMzgtjLr//ywuFL4HVtz0HaC0sodZGAoNHn+O2HhB+a qCM6HSfLo/3Dexc0lhToAOiMjuq4EPpLip/ci0vM4qcLqFJbYTiZbEeW1 R1X4pFxO/B4HPwvQeSFqzPudyzlexevf8VlpcVQS6SPhwiI3XKfrs/BdN T2xD0KHdB/THFvEHFWVDfnRxZzrUQEWThEFZhlk2jxHPLGakSVwPCfF6p QBlWoRlvE2a8sQqwGdxo+xMZCAR3PyPKy996PQy48gEp13D3cl5VejPa7 A==; X-CSE-ConnectionGUID: 2CvGjnGwTbWeSOTkfLdJHg== X-CSE-MsgGUID: z/O1kftyQbuLXa8jdz8Qrw== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="28637669" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="28637669" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Oct 2024 08:57:02 -0700 X-CSE-ConnectionGUID: kKBWm2aUQNCGXNUrvtwMwQ== X-CSE-MsgGUID: 6JQLpE9nSl2Esp5RUP38DA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,211,1725346800"; d="scan'208";a="78254725" Received: from black.fi.intel.com ([10.237.72.28]) by fmviesa007.fm.intel.com with ESMTP; 17 Oct 2024 08:56:55 -0700 Received: by black.fi.intel.com (Postfix, from userid 1000) id BBF36256; Thu, 17 Oct 2024 18:56:54 +0300 (EEST) 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: [PATCH 0/2] x86/mm: Make memremap(MEMREMAP_WB) map memory as encrypted by default Date: Thu, 17 Oct 2024 18:56:40 +0300 Message-ID: <20241017155642.1942514-1-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 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. 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