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Provide a "nosnp" kernel command line option to prevent enabling of the RMP and SEV-SNP features in the host/hypervisor. Not initializing the RMP removes system overhead associated with RMP checks. [ bp: Actually make it a HV-only cmdline option. ] Co-developed-by: Eric Van Tassell <Eric.VanTassell@amd.com> Signed-off-by: Eric Van Tassell <Eric.VanTassell@amd.com> Signed-off-by: Pavan Kumar Paluri <papaluri@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> Link: https://lore.kernel.org/r/20241014130948.1476946-3-papaluri@amd.com |
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cmdline.c | ||
Makefile | ||
sev.c |