On Wed, Sep 27, 2017 at 10:13:22AM -0500, Brijesh Singh wrote:
> From: Tom Lendacky <thomas.lenda...@amd.com>
>
> In order for memory pages to be properly mapped when SEV is active, we
> need to use the PAGE_KERNEL protection attribute as the base protection.
> This will insure that memory mapping of, e.g. ACPI tables, receives the
> proper mapping attributes.
>
> Cc: Thomas Gleixner <t...@linutronix.de>
> Cc: Ingo Molnar <mi...@redhat.com>
> Cc: "H. Peter Anvin" <h...@zytor.com>
> Cc: Borislav Petkov <b...@suse.de>
> Cc: "Kirill A. Shutemov" <kirill.shute...@linux.intel.com>
> Cc: Laura Abbott <labb...@redhat.com>
> Cc: Andy Lutomirski <l...@kernel.org>
> Cc: "Jérôme Glisse" <jgli...@redhat.com>
> Cc: Andrew Morton <a...@linux-foundation.org>
> Cc: Dan Williams <dan.j.willi...@intel.com>
> Cc: Kees Cook <keesc...@chromium.org>
> Cc: x...@kernel.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Tom Lendacky <thomas.lenda...@amd.com>
> Signed-off-by: Brijesh Singh <brijesh.si...@amd.com>
> ---
> arch/x86/mm/ioremap.c | 79
> ++++++++++++++++++++++++++++++++++++++++++--------
> include/linux/ioport.h | 3 ++
> kernel/resource.c | 19 ++++++++++++
> 3 files changed, 89 insertions(+), 12 deletions(-)
Reviewed-by: Borislav Petkov <b...@suse.de>
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284
(AG Nürnberg)
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