>>> On 06.05.19 at 08:56, <jgr...@suse.com> wrote:
> --- a/xen/arch/x86/domain.c
> +++ b/xen/arch/x86/domain.c
> @@ -1619,6 +1619,37 @@ static inline bool need_full_gdt(const struct domain
> *d)
> return is_pv_domain(d) && !is_idle_domain(d);
> }
>
> +static inline void write_full_gdt_ptes(seg_desc_t *gdt, struct vcpu *v)
> +{
> + unsigned long mfn = virt_to_mfn(gdt);
> + l1_pgentry_t *pl1e = pv_gdt_ptes(v);
> + unsigned int i;
> +
> + for ( i = 0; i < NR_RESERVED_GDT_PAGES; i++ )
> + l1e_write(pl1e + FIRST_RESERVED_GDT_PAGE + i,
> + l1e_from_pfn(mfn + i, __PAGE_HYPERVISOR_RW));
> +}
> +
> +static inline void load_full_gdt(struct vcpu *v, unsigned int cpu)
> +{
> + struct desc_ptr gdt_desc;
> +
> + gdt_desc.limit = LAST_RESERVED_GDT_BYTE;
> + gdt_desc.base = GDT_VIRT_START(v);
Make this and ...
> + lgdt(&gdt_desc);
> +}
> +
> +static inline void load_default_gdt(seg_desc_t *gdt, unsigned int cpu)
> +{
> + struct desc_ptr gdt_desc;
> +
> + gdt_desc.limit = LAST_RESERVED_GDT_BYTE;
> + gdt_desc.base = (unsigned long)(gdt - FIRST_RESERVED_GDT_ENTRY);
... the variables' initializers? With this and with const suitably
applied to all function parameters where this is possible
Acked-by: Jan Beulich <jbeul...@suse.com>
Jan
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