x86: use descriptor's functions instead of inline assembly
This patch provides a new set of functions for managing the descriptor
tables that can be used instead of putting the raw assembly in .c files.
Remodeling of store_tr() suggested by Frederik Deweerdt.
[ tglx: arch/x86 adaptation ]
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/reboot_64.c b/arch/x86/kernel/reboot_64.c
index 368db2b..776eb06 100644
--- a/arch/x86/kernel/reboot_64.c
+++ b/arch/x86/kernel/reboot_64.c
@@ -11,6 +11,7 @@
#include <linux/sched.h>
#include <asm/io.h>
#include <asm/delay.h>
+#include <asm/desc.h>
#include <asm/hw_irq.h>
#include <asm/system.h>
#include <asm/pgtable.h>
@@ -136,7 +137,7 @@
}
case BOOT_TRIPLE:
- __asm__ __volatile__("lidt (%0)": :"r" (&no_idt));
+ load_idt((const struct desc_ptr *)&no_idt);
__asm__ __volatile__("int3");
reboot_type = BOOT_KBD;