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| author | David S. Miller <davem@davemloft.net> | 2009-03-19 07:53:57 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-19 07:53:57 +0100 |
| commit | 0702b30dd821ac8a4103ddbe545518713fdca9be (patch) | |
| tree | 8ce0c9f5e58c5ccb99870505eecd139986caa05e /arch/x86/kernel/io_apic.c | |
| parent | sparc64: Fix crash with /proc/iomem (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6 (diff) | |
| download | linux-0702b30dd821ac8a4103ddbe545518713fdca9be.tar.xz linux-0702b30dd821ac8a4103ddbe545518713fdca9be.zip | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
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); } /* -------------------------------------------------------------------------- |