Commit bc15fde7 authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge
Browse files

xen: use default_idle 



We just need the idle loop to drop into safe_halt, which default_idle()
is perfectly capable of doing.  There's no need to duplicate it.

Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
parent c2d08791

arch/x86/xen/setup.c

+5 −15
Original line number Diff line number Diff line
@@ -250,20 +250,6 @@ char * __init xen_memory_setup(void) 
	return "Xen";

}



static void xen_idle(void)

{

	local_irq_disable();



	if (need_resched())

		local_irq_enable();

	else {

		current_thread_info()->status &= ~TS_POLLING;

		smp_mb__after_clear_bit();

		safe_halt();

		current_thread_info()->status |= TS_POLLING;

	}

}



/*

 * Set the bit indicating "nosegneg" library variants should be used.

 * We only need to bother in pure 32-bit mode; compat 32-bit processes
@@ -360,7 +346,11 @@ void __init xen_arch_setup(void) 
	       MAX_GUEST_CMDLINE > COMMAND_LINE_SIZE ?

	       COMMAND_LINE_SIZE : MAX_GUEST_CMDLINE);



	pm_idle = xen_idle;

	/* Set up idle, making sure it calls safe_halt() pvop */

#ifdef CONFIG_X86_32

	boot_cpu_data.hlt_works_ok = 1;

#endif

	pm_idle = default_idle;



	fiddle_vdso();

}