diff options
Diffstat (limited to 'arch/x86/machine/pic.c')
| -rw-r--r-- | arch/x86/machine/pic.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/machine/pic.c b/arch/x86/machine/pic.c index e0ed1e31..440ca3a7 100644 --- a/arch/x86/machine/pic.c +++ b/arch/x86/machine/pic.c @@ -75,8 +75,9 @@ pic_setup(void) static void pic_eoi(unsigned long intr) { - if (intr >= PIC_NR_INTRS) + if (intr >= PIC_NR_INTRS) { io_write_byte(PIC_SLAVE_CMD, PIC_EOI); + } io_write_byte(PIC_MASTER_CMD, PIC_EOI); } @@ -101,13 +102,15 @@ pic_spurious_intr(struct trap_frame *frame) if (intr == PIC_SPURIOUS_INTR) { isr = pic_read_isr(PIC_MASTER_CMD); - if (isr & (1 << PIC_SPURIOUS_INTR)) + if (isr & (1 << PIC_SPURIOUS_INTR)) { panic("pic: real interrupt %lu", intr); + } } else { isr = pic_read_isr(PIC_SLAVE_CMD); - if (isr & (1 << PIC_SPURIOUS_INTR)) + if (isr & (1 << PIC_SPURIOUS_INTR)) { panic("pic: real interrupt %lu", intr); + } pic_eoi(PIC_SLAVE_INTR); } |