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Commit 1028375e authored by Rusty Russell's avatar Rusty Russell
Browse files

lguest: clean up lguest_init_IRQ 



Copy from arch/x86/kernel/irqinit_32.c: we don't use the vectors beyond
LGUEST_IRQS (if any), but we might as well set them all.

Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 56739c80

arch/x86/lguest/boot.c

+4 −5
Original line number Diff line number Diff line
@@ -628,13 +628,12 @@ static void __init lguest_init_IRQ(void) 
{

	unsigned int i;



	for (i = 0; i < LGUEST_IRQS; i++) {

		int vector = FIRST_EXTERNAL_VECTOR + i;

	for (i = FIRST_EXTERNAL_VECTOR; i < NR_VECTORS; i++) {

		/* Some systems map "vectors" to interrupts weirdly.  Lguest has

		 * a straightforward 1 to 1 mapping, so force that here. */

		__get_cpu_var(vector_irq)[vector] = i;

		if (vector != SYSCALL_VECTOR)

			set_intr_gate(vector, interrupt[i]);

		__get_cpu_var(vector_irq)[i] = i - FIRST_EXTERNAL_VECTOR;

		if (i != SYSCALL_VECTOR)

			set_intr_gate(i, interrupt[i - FIRST_EXTERNAL_VECTOR]);

	}

	/* This call is required to set up for 4k stacks, where we have

	 * separate stacks for hard and soft interrupts. */