Re: [PATCH v5 12/32] x86/mm: Insure that boot memory areas are mapped properly

2017-05-04 Thread Tom Lendacky
On 5/4/2017 5:16 AM, Borislav Petkov wrote: On Tue, Apr 18, 2017 at 04:18:22PM -0500, Tom Lendacky wrote: The boot data and command line data are present in memory in a decrypted state and are copied early in the boot process. The early page fault support will map these areas as encrypted, so b

Re: [PATCH v5 12/32] x86/mm: Insure that boot memory areas are mapped properly

2017-05-04 Thread Borislav Petkov
On Tue, Apr 18, 2017 at 04:18:22PM -0500, Tom Lendacky wrote: > The boot data and command line data are present in memory in a decrypted > state and are copied early in the boot process. The early page fault > support will map these areas as encrypted, so before attempting to copy > them, add decr

[PATCH v5 12/32] x86/mm: Insure that boot memory areas are mapped properly

2017-04-18 Thread Tom Lendacky
The boot data and command line data are present in memory in a decrypted state and are copied early in the boot process. The early page fault support will map these areas as encrypted, so before attempting to copy them, add decrypted mappings so the data is accessed properly when copied. For the