diff options
Diffstat (limited to 'arch/x86/kernel/vmi_32.c')
| -rw-r--r-- | arch/x86/kernel/vmi_32.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c index 21edd0d6eae5..10c46419d35d 100644 --- a/arch/x86/kernel/vmi_32.c +++ b/arch/x86/kernel/vmi_32.c @@ -64,6 +64,7 @@ static struct { void (*set_tr)(u32 selector); void (*write_idt_entry)(struct desc_struct *, int, u32, u32); void (*write_gdt_entry)(struct desc_struct *, int, u32, u32); + void (*write_ldt_entry)(struct desc_struct *, int, u32, u32); void (*set_kernel_stack)(u32 selector, u32 sp0); void (*allocate_page)(u32, u32, u32, u32, u32); void (*release_page)(u32, u32); @@ -229,6 +230,13 @@ static void vmi_write_gdt_entry(struct desc_struct *dt, int entry, vmi_ops.write_gdt_entry(dt, entry, gdt_entry[0], gdt_entry[2]); } +static void vmi_write_ldt_entry(struct desc_struct *dt, int entry, + const void *desc) +{ + u32 *ldt_entry = (u32 *)desc; + vmi_ops.write_idt_entry(dt, entry, ldt_entry[0], ldt_entry[2]); +} + static void vmi_load_sp0(struct tss_struct *tss, struct thread_struct *thread) { @@ -805,7 +813,8 @@ static inline int __init activate_vmi(void) para_fill(pv_cpu_ops.store_idt, GetIDT); para_fill(pv_cpu_ops.store_tr, GetTR); pv_cpu_ops.load_tls = vmi_load_tls; - para_fill(pv_cpu_ops.write_ldt_entry, WriteLDTEntry); + para_wrap(pv_cpu_ops.write_ldt_entry, vmi_write_ldt_entry, + write_ldt_entry, WriteLDTEntry); para_wrap(pv_cpu_ops.write_gdt_entry, vmi_write_gdt_entry, write_gdt_entry, WriteGDTEntry); para_wrap(pv_cpu_ops.write_idt_entry, vmi_write_idt_entry, |