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Diffstat (limited to 'arch/x86/xen/enlighten_pv.c')
-rw-r--r--arch/x86/xen/enlighten_pv.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index 105a57d73701..52a7c3faee0c 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -122,6 +122,8 @@ static void __init xen_banner(void)
static void __init xen_pv_init_platform(void)
{
+ populate_extra_pte(fix_to_virt(FIX_PARAVIRT_BOOTMAP));
+
set_fixmap(FIX_PARAVIRT_BOOTMAP, xen_start_info->shared_info);
HYPERVISOR_shared_info = (void *)fix_to_virt(FIX_PARAVIRT_BOOTMAP);
@@ -1170,13 +1172,13 @@ static void __init xen_boot_params_init_edd(void)
* we do this, we have to be careful not to call any stack-protected
* function, which is most of the kernel.
*/
-static void xen_setup_gdt(int cpu)
+static void __init xen_setup_gdt(int cpu)
{
pv_cpu_ops.write_gdt_entry = xen_write_gdt_entry_boot;
pv_cpu_ops.load_gdt = xen_load_gdt_boot;
- setup_stack_canary_segment(0);
- switch_to_new_gdt(0);
+ setup_stack_canary_segment(cpu);
+ switch_to_new_gdt(cpu);
pv_cpu_ops.write_gdt_entry = xen_write_gdt_entry;
pv_cpu_ops.load_gdt = xen_load_gdt;
@@ -1256,6 +1258,9 @@ asmlinkage __visible void __init xen_start_kernel(void)
get_cpu_cap(&boot_cpu_data);
x86_configure_nx();
+ /* Determine virtual and physical address sizes */
+ get_cpu_address_sizes(&boot_cpu_data);
+
/* Let's presume PV guests always boot on vCPU with id 0. */
per_cpu(xen_vcpu_id, 0) = 0;
@@ -1382,8 +1387,11 @@ asmlinkage __visible void __init xen_start_kernel(void)
xen_boot_params_init_edd();
}
- add_preferred_console("tty", 0, NULL);
+ if (!boot_params.screen_info.orig_video_isVGA)
+ add_preferred_console("tty", 0, NULL);
add_preferred_console("hvc", 0, NULL);
+ if (boot_params.screen_info.orig_video_isVGA)
+ add_preferred_console("tty", 0, NULL);
#ifdef CONFIG_PCI
/* PCI BIOS service won't work from a PV guest. */