From: Eric W. Biederman on

Oops. My recent changes introducing a global gsi_end variable failed
to take into account the case of using acpi on a system not built to
support IO_APICs, causing the build to fail. Define gsi_end to 15 when
CONFIG_X86_IO_APIC is not set to avoid compile errors.

Signed-off-by: Eric W. Biederman <ebiederm(a)>
arch/x86/include/asm/io_apic.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 9da192a..63cb409 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -197,6 +197,7 @@ static const int timer_through_8259 = 0;
static inline void ioapic_init_mappings(void) { }
static inline void ioapic_insert_resources(void) { }
static inline void probe_nr_irqs_gsi(void) { }
+#define gsi_end (NR_IRQS_LEGACY - 1)
static inline int mp_find_ioapic(u32 gsi) { return 0; }

struct io_apic_irq_attr;

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