Browse Source

x86: export cpu_gdt_descr

With paravirualization, hypervisors needs to handle the gdt,
that was right to this point only used at very early
inialization code. Hypervisors (lguest being the current case)
are commonly modules, so make it an export

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Glauber de Oliveira Costa 17 năm trước cách đây
mục cha
commit
70fd93c9d9
1 tập tin đã thay đổi với 6 bổ sung0 xóa
  1. 6 0
      arch/x86/kernel/x8664_ksyms_64.c

+ 6 - 0
arch/x86/kernel/x8664_ksyms_64.c

@@ -8,6 +8,7 @@
 #include <asm/processor.h>
 #include <asm/processor.h>
 #include <asm/uaccess.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/pgtable.h>
+#include <asm/desc.h>
 
 
 EXPORT_SYMBOL(kernel_thread);
 EXPORT_SYMBOL(kernel_thread);
 
 
@@ -53,3 +54,8 @@ EXPORT_SYMBOL(init_level4_pgt);
 EXPORT_SYMBOL(load_gs_index);
 EXPORT_SYMBOL(load_gs_index);
 
 
 EXPORT_SYMBOL(_proxy_pda);
 EXPORT_SYMBOL(_proxy_pda);
+
+#ifdef CONFIG_PARAVIRT
+/* Virtualized guests may want to use it */
+EXPORT_SYMBOL_GPL(cpu_gdt_descr);
+#endif