x86: fix ldt limit for 64 bit

Fix size of LDT entries. On x86-64, ldt_desc is a double-sized descriptor.

Signed-off-by: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h
index 268a012bcd79..28bddbcb38be 100644
--- a/include/asm-x86/desc.h
+++ b/include/asm-x86/desc.h
@@ -192,8 +192,8 @@ static inline void native_set_ldt(const void *addr, unsigned int entries)
                 unsigned cpu = smp_processor_id();
                 ldt_desc ldt;
 
-                set_tssldt_descriptor(&ldt, (unsigned long)addr,
-                                      DESC_LDT, entries * sizeof(ldt) - 1);
+                set_tssldt_descriptor(&ldt, (unsigned long)addr, DESC_LDT,
+                                      entries * LDT_ENTRY_SIZE - 1);
                 write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_LDT,
                                 &ldt, DESC_LDT);
                 asm volatile("lldt %w0"::"q" (GDT_ENTRY_LDT*8));