Commit 511d9d34 authored by Suresh Siddha's avatar Suresh Siddha Committed by Ingo Molnar
Browse files

x86: apic_ops for lguest 



apic_ops for lguest.

Signed-off-by: default avatarSuresh Siddha <suresh.b.siddha@intel.com>
Acked-by: default avatarYinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 9a8f0e6b

arch/x86/lguest/boot.c

+32 −3
Original line number Diff line number Diff line
@@ -791,6 +791,37 @@ static u32 lguest_apic_read(u32 reg) 
{

	return 0;

}



static u64 lguest_apic_icr_read(void)

{

	return 0;

}



static void lguest_apic_icr_write(u32 low, u32 id)

{

	/* Warn to see if there's any stray references */

	WARN_ON(1);

}



static void lguest_apic_wait_icr_idle(void)

{

	return;

}



static u32 lguest_apic_safe_wait_icr_idle(void)

{

	return 0;

}



static struct apic_ops lguest_basic_apic_ops = {

	.read = lguest_apic_read,

	.write = lguest_apic_write,

	.write_atomic = lguest_apic_write,

	.icr_read = lguest_apic_icr_read,

	.icr_write = lguest_apic_icr_write,

	.wait_icr_idle = lguest_apic_wait_icr_idle,

	.safe_wait_icr_idle = lguest_apic_safe_wait_icr_idle,

};

#endif



/* STOP!  Until an interrupt comes in. */
@@ -990,9 +1021,7 @@ __init void lguest_init(void) 


#ifdef CONFIG_X86_LOCAL_APIC

	/* apic read/write intercepts */

	pv_apic_ops.apic_write = lguest_apic_write;

	pv_apic_ops.apic_write_atomic = lguest_apic_write;

	pv_apic_ops.apic_read = lguest_apic_read;

	apic_ops = &lguest_basic_apic_ops;

#endif



	/* time operations */