Re: [Xen-devel] [V8 PATCH 8/8] pvh dom0: add opt_dom0pvh to setup.c

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 22.03.14 at 02:39, <mukesh.rathor@xxxxxxxxxx> wrote:
> --- a/xen/arch/x86/setup.c
> +++ b/xen/arch/x86/setup.c
> @@ -61,6 +61,10 @@ integer_param("maxcpus", max_cpus);
>  static bool_t __initdata disable_smep;
>  invbool_param("smep", disable_smep);
>  
> +/* Boot dom0 in pvh mode */
> +bool_t __initdata opt_dom0pvh;

static

Jan

> +boolean_param("dom0pvh", opt_dom0pvh);
> +
>  /* **** Linux config option: propagated to domain0. */
>  /* "acpi=off":    Sisables both ACPI table parsing and interpreter. */
>  /* "acpi=force":  Override the disable blacklist.                   */
> @@ -541,7 +545,7 @@ void __init noreturn __start_xen(unsigned long mbi_p)
>  {
>      char *memmap_type = NULL;
>      char *cmdline, *kextra, *loader;
> -    unsigned int initrdidx;
> +    unsigned int initrdidx, domcr_flags = 0;
>      multiboot_info_t *mbi = __va(mbi_p);
>      module_t *mod = (module_t *)__va(mbi->mods_addr);
>      unsigned long nr_pages, raw_max_page, modules_headroom, *module_map;
> @@ -1337,8 +1341,10 @@ void __init noreturn __start_xen(unsigned long mbi_p)
>      if ( !tboot_protect_mem_regions() )
>          panic("Could not protect TXT memory regions");
>  
> -    /* Create initial domain 0. */
> -    dom0 = domain_create(0, DOMCRF_s3_integrity, 0);
> +     /* Create initial domain 0. */
> +     domcr_flags = (opt_dom0pvh ? DOMCRF_pvh | DOMCRF_hap : 0);
> +     domcr_flags |= DOMCRF_s3_integrity;
> +     dom0 = domain_create(0, domcr_flags, 0);
>      if ( IS_ERR(dom0) || (alloc_dom0_vcpu0() == NULL) )
>          panic("Error creating domain 0");
>  
> -- 
> 1.8.3.1




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