On Mon, 20 Aug 2018, Jinpu Wang wrote:
On Mon, Aug 20, 2018 at 3:02 PM Thomas Gleixner tglx@linutronix.de wrote:
That works, but we might as well force 'select HOTPLUG_CPU if SMP' so the L1TF mitigations are functional. Sigh....
Thanks,
tglx
right, sth like? diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index b0312f8..5852948 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -188,7 +188,8 @@ config X86 select HAVE_SYSCALL_TRACEPOINTS select HAVE_UNSTABLE_SCHED_CLOCK select HAVE_USER_RETURN_NOTIFIER
select HOTPLUG_SMT if SMP
select HOTPLUG_CPU if SMP
select HOTPLUG_SMT if SMP && HOTPLUG_CPU
The && HOTPLUG is pretty pointless now.