Re: [PATCH v6 70/76] x86/smpboot: Setup TSS for starting AP

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Aug 24, 2020 at 10:55:05AM +0200, Joerg Roedel wrote:
> @@ -1814,27 +1814,26 @@ static inline void ucode_cpu_init(int cpu)
>  		load_ucode_ap();
>  }
>  
> -static inline void tss_setup_ist(struct tss_struct *tss)
> +static inline void tss_setup_ist(struct tss_struct *tss,
> +				 struct cpu_entry_area *cea)
>  {
>  	/* Set up the per-CPU TSS IST stacks */
> -	tss->x86_tss.ist[IST_INDEX_DF] = __this_cpu_ist_top_va(DF);
> -	tss->x86_tss.ist[IST_INDEX_NMI] = __this_cpu_ist_top_va(NMI);
> -	tss->x86_tss.ist[IST_INDEX_DB] = __this_cpu_ist_top_va(DB);
> -	tss->x86_tss.ist[IST_INDEX_MCE] = __this_cpu_ist_top_va(MCE);
> +	tss->x86_tss.ist[IST_INDEX_DF]  = CEA_ESTACK_TOP(&cea->estacks, DF);
> +	tss->x86_tss.ist[IST_INDEX_NMI] = CEA_ESTACK_TOP(&cea->estacks, NMI);
> +	tss->x86_tss.ist[IST_INDEX_DB]  = CEA_ESTACK_TOP(&cea->estacks, DB);
> +	tss->x86_tss.ist[IST_INDEX_MCE] = CEA_ESTACK_TOP(&cea->estacks, MCE);

#ifdef CONFIG_AMD_MEM_ENCRYPT

>  	/* Only mapped when SEV-ES is active */
> -	tss->x86_tss.ist[IST_INDEX_VC] = __this_cpu_ist_top_va(VC);
> +	tss->x86_tss.ist[IST_INDEX_VC]	= CEA_ESTACK_TOP(&cea->estacks, VC);

#endif

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette



[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux