Re: [PATCH 8/9] x86/tlb: Privatize cpu_tlbstate

[Sean Christopherson]

On Wed, Jun 12, 2019 at 11:48:12PM -0700, Nadav Amit wrote:
> diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
> index 79272938cf79..a1fea36d5292 100644
> --- a/arch/x86/include/asm/tlbflush.h
> +++ b/arch/x86/include/asm/tlbflush.h

...

> @@ -439,6 +442,7 @@ static inline void __native_flush_tlb_one_user(unsigned long addr)
>  {
>  	u32 loaded_mm_asid = this_cpu_read(cpu_tlbstate.loaded_mm_asid);
>  
> +	//invpcid_flush_one(kern_pcid(loaded_mm_asid), addr);

Leftover debug/testing code.

>  	asm volatile("invlpg (%0)" ::"r" (addr) : "memory");
>  
>  	if (!static_cpu_has(X86_FEATURE_PTI))