[PATCH] x86_64 machine_kexec: Cleanup inline assembly.

static void set_idt(void *newidt, u16 limit)

{

	unsigned char curidt[10];

	struct desc_ptr curidt;

	/* x86-64 supports unaliged loads & stores */

	(*(u16 *)(curidt)) = limit;

	(*(u64 *)(curidt +2)) = (unsigned long)(newidt);

	curidt.size    = limit;

	curidt.address = (unsigned long)newidt;

	__asm__ __volatile__ (

		"lidt %0\n"

		: "=m" (curidt)

		"lidtq %0\n"

		: : "m" (curidt)

		);

};

static void set_gdt(void *newgdt, u16 limit)

{

	unsigned char curgdt[10];

	struct desc_ptr curgdt;

	/* x86-64 supports unaligned loads & stores */

	(*(u16 *)(curgdt)) = limit;

	(*(u64 *)(curgdt +2)) = (unsigned long)(newgdt);

	curgdt.size    = limit;

	curgdt.address = (unsigned long)newgdt;

	__asm__ __volatile__ (

		"lgdt %0\n"

		: "=m" (curgdt)

		"lgdtq %0\n"

		: : "m" (curgdt)

		);

};

static void load_segments(void)

{

	__asm__ __volatile__ (

		"\tmovl $"STR(__KERNEL_DS)",%eax\n"

		"\tmovl %eax,%ds\n"

		"\tmovl %eax,%es\n"

		"\tmovl %eax,%ss\n"

		"\tmovl %eax,%fs\n"

		"\tmovl %eax,%gs\n"

		"\tmovl %0,%%ds\n"

		"\tmovl %0,%%es\n"

		"\tmovl %0,%%ss\n"

		"\tmovl %0,%%fs\n"

		"\tmovl %0,%%gs\n"

		: : "a" (__KERNEL_DS)

		);

#undef STR

#undef __STR

}

typedef NORET_TYPE void (*relocate_new_kernel_t)(unsigned long indirection_page,