On 09/21/2018 12:14 PM, Tim Chen wrote:
> On 09/21/2018 08:44 AM, Lendacky, Thomas wrote:
>
>
>> +if (static_cpu_has(X86_FEATURE_SSBD))
>> +x86_spec_ctrl_base |= ssbd_tif_to_spec_ctrl(tifn);
>> +
>> +x86_spec_ctrl_base |= stibp_tif_to_spec_ctrl(tifn);
>>
>> wrmsrl(MSR
On 09/21/2018 08:44 AM, Lendacky, Thomas wrote:
> + if (static_cpu_has(X86_FEATURE_SSBD))
> + x86_spec_ctrl_base |= ssbd_tif_to_spec_ctrl(tifn);
> +
> + x86_spec_ctrl_base |= stibp_tif_to_spec_ctrl(tifn);
>
> wrmsrl(MSR_IA32_SPEC_CTRL, msr);
> }
>
Should this part
On 09/20/2018 04:38 PM, Lendacky, Thomas wrote:
> On 09/19/2018 04:35 PM, Tim Chen wrote:
>> This patchset provides an option to apply IBPB and STIBP mitigation
>> to only non-dumpable processes.
>>
>> Jiri's patch to harden spectre_v2 makes IBPB and STIBP available for
>> general spectre v2 app to
On 09/19/2018 04:35 PM, Tim Chen wrote:
> This patchset provides an option to apply IBPB and STIBP mitigation
> to only non-dumpable processes.
>
> Jiri's patch to harden spectre_v2 makes IBPB and STIBP available for
> general spectre v2 app to app mitigation. IBPB will be issued for
> switching
This patchset provides an option to apply IBPB and STIBP mitigation
to only non-dumpable processes.
Jiri's patch to harden spectre_v2 makes IBPB and STIBP available for
general spectre v2 app to app mitigation. IBPB will be issued for
switching to an app that's not ptraceable by the previous
app
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