Messages in this thread | | | Subject | Re: [PATCH v2 02/12] mm: Introduce a function to check for virtualization protection features | From | "Kuppuswamy, Sathyanarayanan" <> | Date | Fri, 13 Aug 2021 10:19:48 -0700 |
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On 8/13/21 9:59 AM, Tom Lendacky wrote: > In prep for other protected virtualization technologies, introduce a > generic helper function, prot_guest_has(), that can be used to check > for specific protection attributes, like memory encryption. This is > intended to eliminate having to add multiple technology-specific checks > to the code (e.g. if (sev_active() || tdx_active())). > > Reviewed-by: Joerg Roedel<jroedel@suse.de> > Co-developed-by: Andi Kleen<ak@linux.intel.com> > Signed-off-by: Andi Kleen<ak@linux.intel.com> > Co-developed-by: Kuppuswamy Sathyanarayanan<sathyanarayanan.kuppuswamy@linux.intel.com> > Signed-off-by: Kuppuswamy Sathyanarayanan<sathyanarayanan.kuppuswamy@linux.intel.com> > Signed-off-by: Tom Lendacky<thomas.lendacky@amd.com> > --- > arch/Kconfig | 3 +++ > include/linux/protected_guest.h | 35 +++++++++++++++++++++++++++++++++ > 2 files changed, 38 insertions(+) > create mode 100644 include/linux/protected_guest.h
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
-- Sathyanarayanan Kuppuswamy Linux Kernel Developer
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