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x86: use descriptor's functions instead of inline assembly

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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>
This commit is contained in:
Glauber de Oliveira Costa
2007-10-19 20:35:03 +02:00
committed by Thomas Gleixner
parent 9d975ebda5
commit 9d1c6e7c86
5 changed files with 41 additions and 9 deletions
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3
arch/x86/kernel/reboot_64.c
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@@ -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 @@ void machine_emergency_restart(void)
}
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;