Hi Andy, On 2/5/21 3:43 PM, Andy Lutomirski wrote:
MWAIT turning into NOP is no good. How about suppressing X86_FEATURE_MWAIT instead?
Yes, we can suppress it in tdx_early_init().
+ setup_clear_cpu_cap(X86_FEATURE_MWAIT); But do you want to leave the MWAIT #VE handler as it as (just in case)? -- Sathyanarayanan Kuppuswamy Linux Kernel Developer
