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Diffstat (limited to 'arch/i386/kernel/efi.c')
-rw-r--r--arch/i386/kernel/efi.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/i386/kernel/efi.c b/arch/i386/kernel/efi.c
index e3e42fd62401..c9cad7ba0d2d 100644
--- a/arch/i386/kernel/efi.c
+++ b/arch/i386/kernel/efi.c
@@ -70,10 +70,13 @@ static void efi_call_phys_prelog(void)
70{ 70{
71 unsigned long cr4; 71 unsigned long cr4;
72 unsigned long temp; 72 unsigned long temp;
73 struct Xgt_desc_struct *cpu_gdt_descr;
73 74
74 spin_lock(&efi_rt_lock); 75 spin_lock(&efi_rt_lock);
75 local_irq_save(efi_rt_eflags); 76 local_irq_save(efi_rt_eflags);
76 77
78 cpu_gdt_descr = &per_cpu(cpu_gdt_descr, 0);
79
77 /* 80 /*
78 * If I don't have PSE, I should just duplicate two entries in page 81 * If I don't have PSE, I should just duplicate two entries in page
79 * directory. If I have PSE, I just need to duplicate one entry in 82 * directory. If I have PSE, I just need to duplicate one entry in
@@ -103,18 +106,17 @@ static void efi_call_phys_prelog(void)
103 */ 106 */
104 local_flush_tlb(); 107 local_flush_tlb();
105 108
106 per_cpu(cpu_gdt_descr, 0).address = 109 cpu_gdt_descr->address = __pa(cpu_gdt_descr->address);
107 __pa(per_cpu(cpu_gdt_descr, 0).address); 110 load_gdt(cpu_gdt_descr);
108 load_gdt((struct Xgt_desc_struct *)__pa(&per_cpu(cpu_gdt_descr, 0)));
109} 111}
110 112
111static void efi_call_phys_epilog(void) 113static void efi_call_phys_epilog(void)
112{ 114{
113 unsigned long cr4; 115 unsigned long cr4;
116 struct Xgt_desc_struct *cpu_gdt_descr = &per_cpu(cpu_gdt_descr, 0);
114 117
115 per_cpu(cpu_gdt_descr, 0).address = 118 cpu_gdt_descr->address = __va(cpu_gdt_descr->address);
116 (unsigned long)__va(per_cpu(cpu_gdt_descr, 0).address); 119 load_gdt(cpu_gdt_descr);
117 load_gdt((struct Xgt_desc_struct *)__va(&per_cpu(cpu_gdt_descr, 0)));
118 120
119 cr4 = read_cr4(); 121 cr4 = read_cr4();
120 122