x86: I/O APIC: remove an IRQ2-mask hack

Now that IRQ2 is never made available to the I/O APIC, there is no need
to special-case it and mask as a workaround for broken systems.  Actually,
because of the former, mask_IO_APIC_irq(2) is a no-op already.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 1 deletions

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 785700a08e9d..f489d7a9be92 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1409,7 +1409,6 @@ static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d)
 {
         pr_notice("%s detected: Ignoring BIOS IRQ0 pin2 override\n", d->ident);
         acpi_skip_timer_override = 1;
-        force_mask_ioapic_irq_2();
         return 0;
 }