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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-02-18 13:19:25 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-02-18 13:19:25 +1100 |
| commit | 82a0a1cc8f94bc59e5919715bc03fc8353fa770d (patch) | |
| tree | c25f19a0ae1f7cb75319b585c1d473cfed463f22 /arch/x86/kernel/io_apic.c | |
| parent | 8d30c14cab30d405a05f2aaceda1e9ad57800f36 (diff) | |
| parent | 5955c7a2cfb6a35429adea5dc480002b15ca8cfc (diff) | |
Merge commit 'origin/master' into next
Manual merge of:
arch/powerpc/include/asm/pgtable-ppc32.h
Diffstat (limited to 'arch/x86/kernel/io_apic.c')
| -rw-r--r-- | arch/x86/kernel/io_apic.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 9b0c480c383b..bc7ac4da90d7 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -3841,14 +3841,24 @@ int __init io_apic_get_redir_entries (int ioapic) void __init probe_nr_irqs_gsi(void) { - int idx; int nr = 0; - for (idx = 0; idx < nr_ioapics; idx++) - nr += io_apic_get_redir_entries(idx) + 1; - - if (nr > nr_irqs_gsi) + nr = acpi_probe_gsi(); + if (nr > nr_irqs_gsi) { nr_irqs_gsi = nr; + } else { + /* for acpi=off or acpi is not compiled in */ + int idx; + + nr = 0; + for (idx = 0; idx < nr_ioapics; idx++) + nr += io_apic_get_redir_entries(idx) + 1; + + if (nr > nr_irqs_gsi) + nr_irqs_gsi = nr; + } + + printk(KERN_DEBUG "nr_irqs_gsi: %d\n", nr_irqs_gsi); } /* -------------------------------------------------------------------------- |