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authorTom Lendacky <thomas.lendacky@amd.com>2021-09-08 17:58:33 -0500
committerBorislav Petkov <bp@suse.de>2021-10-04 11:46:05 +0200
commit46b49b12f3fc5e1347dba37d4639e2165f447871 (patch)
tree65f7081893383c93ba69708bd62545d46c27d1cd /crypto/af_alg.c
parent402fe0cb71032c4bc931ac70a6b024408e09f817 (diff)
arch/cc: Introduce a function to check for confidential computing features
In preparation for other confidential computing technologies, introduce a generic helper function, cc_platform_has(), that can be used to check for specific active confidential computing 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() || ... ). [ bp: s/_CC_PLATFORM_H/_LINUX_CC_PLATFORM_H/g ] 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> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20210928191009.32551-3-bp@alien8.de
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