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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-10 00:41:02 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-10 00:41:02 +0100 |
| commit | 92e2d508464b6293ad274fb606f766a458894142 (patch) | |
| tree | 39bf383364530e5cdeacb205d32d69a4b78e253d /arch/x86/kernel/acpi/boot.c | |
| parent | 5d96218b4a5ee0c5ff0ac87f3ba90cfa86ca0ca1 (diff) | |
| parent | d315760ffa261c15ff92699ac6f514112543d7ca (diff) | |
| download | linux-92e2d508464b6293ad274fb606f766a458894142.tar.gz linux-92e2d508464b6293ad274fb606f766a458894142.tar.bz2 linux-92e2d508464b6293ad274fb606f766a458894142.zip | |
Merge branch 'x86/urgent' into core/percpu
Conflicts:
arch/x86/kernel/acpi/boot.c
Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
| -rw-r--r-- | arch/x86/kernel/acpi/boot.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 4cb5964f1499..c193ec3c695e 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -973,6 +973,29 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base) nr_ioapics++; } +int __init acpi_probe_gsi(void) +{ + int idx; + int gsi; + int max_gsi = 0; + + if (acpi_disabled) + return 0; + + if (!acpi_ioapic) + return 0; + + max_gsi = 0; + for (idx = 0; idx < nr_ioapics; idx++) { + gsi = mp_ioapic_routing[idx].gsi_end; + + if (gsi > max_gsi) + max_gsi = gsi; + } + + return max_gsi + 1; +} + static void assign_to_mp_irq(struct mpc_intsrc *m, struct mpc_intsrc *mp_irq) { |