Re: [Xen-devel] [PATCH v2 07/11] xen/hvmlite: Initialize context for secondary VCPUs

From: David Vrabel
Date: Tue Feb 02 2016 - 11:21:33 EST


This needs some more description in the commit message.

> --- a/arch/x86/xen/smp.c
> +++ b/arch/x86/xen/smp.c
[...]
> + hctxt->cpu_regs.x86_32.cs_base = 0;
> + hctxt->cpu_regs.x86_32.cs_limit = ~0u;
> + hctxt->cpu_regs.x86_32.cs_ar = 0xc9b;
> + hctxt->cpu_regs.x86_32.ds_base = 0;
> + hctxt->cpu_regs.x86_32.ds_limit = ~0u;
> + hctxt->cpu_regs.x86_32.ds_ar = 0xc93;
> + hctxt->cpu_regs.x86_32.es_base = 0;
> + hctxt->cpu_regs.x86_32.es_limit = ~0u;
> + hctxt->cpu_regs.x86_32.es_ar = 0xc93;
> + hctxt->cpu_regs.x86_32.ss_base = 0;
> + hctxt->cpu_regs.x86_32.ss_limit = ~0u;
> + hctxt->cpu_regs.x86_32.ss_ar = 0xc93;
> + hctxt->cpu_regs.x86_32.tr_base = 0;
> + hctxt->cpu_regs.x86_32.tr_limit = 0xff;
> + hctxt->cpu_regs.x86_32.tr_ar = 0x8b;

Lots of hard-coded values here. Should this be #defined somewhere?

David