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Commit 526e5ab2 authored by Rusty Russell's avatar Rusty Russell
Browse files

lguest: fix irq vectors. 



	do_IRQ: cannot handle IRQ -1 vector 0x20 cpu 0
	------------[ cut here ]------------
	kernel BUG at arch/x86/kernel/irq_32.c:219!

We're not ISA: we have a 1:1 mapping from vectors to irqs.

Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent ad5173ff

arch/x86/lguest/boot.c

+3 −0
Original line number Diff line number Diff line
@@ -586,6 +586,9 @@ static void __init lguest_init_IRQ(void) 


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

		int vector = FIRST_EXTERNAL_VECTOR + 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[vector]);

			set_irq_chip_and_handler_name(i, &lguest_irq_controller,