Re: [Xen-devel] SMT/Hyperthreading detection not always correct

2018-09-03 Thread Hans van Kranenburg
On 09/03/2018 03:35 PM, Jan Beulich wrote: On 03.09.18 at 15:24, wrote: >> (XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) >> (XEN) ACPI: LAPIC (acpi_id[0x10] lapic_id[0x20] enabled) >> (XEN) ACPI: LAPIC (acpi_id[0x08] lapic_id[0x10] enabled) >> (XEN) ACPI: LAPIC (acpi_id[0x18] lapic

Re: [Xen-devel] SMT/Hyperthreading detection not always correct

2018-09-03 Thread Jan Beulich
>>> On 03.09.18 at 15:24, wrote: > (XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) > (XEN) ACPI: LAPIC (acpi_id[0x10] lapic_id[0x20] enabled) > (XEN) ACPI: LAPIC (acpi_id[0x08] lapic_id[0x10] enabled) > (XEN) ACPI: LAPIC (acpi_id[0x18] lapic_id[0x30] enabled) > (XEN) ACPI: LAPIC (acpi_id[

Re: [Xen-devel] SMT/Hyperthreading detection not always correct

2018-09-03 Thread Hans van Kranenburg
On 09/03/2018 03:13 PM, Jan Beulich wrote: On 03.09.18 at 13:55, wrote: >> I ran into the situation where I got this banner in the xl dmesg... >> >> (XEN) *** >> (XEN) Booted on L1TF-vulnerable hardware with SMT/Hyperthreading >> (XEN) enabled.

Re: [Xen-devel] SMT/Hyperthreading detection not always correct

2018-09-03 Thread Jan Beulich
>>> On 03.09.18 at 13:55, wrote: > I ran into the situation where I got this banner in the xl dmesg... > > (XEN) *** > (XEN) Booted on L1TF-vulnerable hardware with SMT/Hyperthreading > (XEN) enabled. Please assess your configuration and choose an

[Xen-devel] SMT/Hyperthreading detection not always correct

2018-09-03 Thread Hans van Kranenburg
Hi, I ran into the situation where I got this banner in the xl dmesg... (XEN) *** (XEN) Booted on L1TF-vulnerable hardware with SMT/Hyperthreading (XEN) enabled. Please assess your configuration and choose an (XEN) explicit 'smt=' setting. See XSA