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SubjectRe: [PATCH v2 3/3] x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation
On Mon, Sep 03, 2018 at 02:45:31PM +0200, Jiri Kosina wrote:

> +static bool __init stibp_needed(void)
> +{
> + return (cpu_smt_control != CPU_SMT_NOT_SUPPORTED &&
> + boot_cpu_has(X86_FEATURE_STIBP));
> +}

Should that not be:

((cpu_smt_control != CPU_SMT_NOT_SUPPORTED) ||
(cpu_smt_control != CPU_SMT_FORCE_DISABLED)) &&
boot_cpu_has(X86_FEATURE_STIBP);

instead?

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