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SubjectRe: [PATCH v2 4/8] x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature
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On 01/08/2018 07:29 AM, Van De Ven, Arjan wrote:
>>> + if ((!c->cpu_index) && (boot_cpu_has(X86_FEATURE_SPEC_CTRL))) {
>>
>> We should test X86_BUG_SPECTRE_V1 here too before default enabling this,
>> no?
>
>
> we shouldn't default enable this.
>

Patch 7 disables ibrs if retpoline is in use.

Tim

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