diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/x86/kernel/io_apic.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 4e44fd1f466..d28128e0392 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -3625,16 +3625,21 @@ int __init probe_nr_irqs(void) { int idx; int nr = 0; +#ifndef CONFIG_XEN + int nr_min = 32; +#else + int nr_min = NR_IRQS; +#endif for (idx = 0; idx < nr_ioapics; idx++) - nr += io_apic_get_redir_entries(idx); + nr += io_apic_get_redir_entries(idx) + 1; /* double it for hotplug and msi and nmi */ nr <<= 1; /* something wrong ? */ - if (nr < 32) - nr = 32; + if (nr < nr_min) + nr = nr_min; return nr; } |