Re: [PATCH 2/2] x86/speculation: Support "Enhanced IBRS" on future CPUs

From: Ingo Molnar
Date: Tue Feb 13 2018 - 02:47:48 EST



* David Woodhouse <dwmw@xxxxxxxxxxxx> wrote:

> +extern enum spectre_v2_mitigation spectre_v2_enabled;

This needs to be exported if the KVM module wants to use it.

> +static inline bool spectre_v2_ibrs_all(void)
> +{
> + return spectre_v2_enabled == SPECTRE_V2_IBRS_ALL;
> +}

> + if (vmx->spec_ctrl && !spectre_v2_ibrs_all())

> + if (!spectre_v2_ibrs_all) {

erm, that's a function, not a flag ...

Thanks,

Ingo