| From | Andy Lutomirski <> | Date | Fri, 5 Feb 2021 17:05:16 -0800 | Subject | Re: [RFC v1 13/26] x86/tdx: Handle MWAIT, MONITOR and WBINVD |
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On Fri, Feb 5, 2021 at 3:54 PM Kuppuswamy, Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> wrote: > > 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)? >
I would suggest decoding the error, printing a useful message, and oopsing or at least warning.
> > -- > Sathyanarayanan Kuppuswamy > Linux Kernel Developer
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