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authorAndi Kleen <ak@suse.de>2006-09-30 01:47:55 +0200
committerAndi Kleen <andi@basil.nowhere.org>2006-09-30 01:47:55 +0200
commit013bf2c50ed943e9c23a2145d3ea7c4d88cda310 (patch)
treec7239879cac638bd9bec86059bec6bed7b0e159c /arch
parentd802ab981da67d433fbb48f5640b7e3a9ba9fd54 (diff)
downloadop-kernel-dev-013bf2c50ed943e9c23a2145d3ea7c4d88cda310.zip
op-kernel-dev-013bf2c50ed943e9c23a2145d3ea7c4d88cda310.tar.gz
[PATCH] Refactor some duplicated code in mpparse.c
No logic changes Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86_64/kernel/mpparse.c37
1 files changed, 19 insertions, 18 deletions
diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
index 20e88f4..b8d53df 100644
--- a/arch/x86_64/kernel/mpparse.c
+++ b/arch/x86_64/kernel/mpparse.c
@@ -152,6 +152,21 @@ static void __init MP_bus_info (struct mpc_config_bus *m)
}
}
+static int bad_ioapic(unsigned long address)
+{
+ if (nr_ioapics >= MAX_IO_APICS) {
+ printk(KERN_ERR "ERROR: Max # of I/O APICs (%d) exceeded "
+ "(found %d)\n", MAX_IO_APICS, nr_ioapics);
+ panic("Recompile kernel with bigger MAX_IO_APICS!\n");
+ }
+ if (!address) {
+ printk(KERN_ERR "WARNING: Bogus (zero) I/O APIC address"
+ " found in table, skipping!\n");
+ return 1;
+ }
+ return 0;
+}
+
static void __init MP_ioapic_info (struct mpc_config_ioapic *m)
{
if (!(m->mpc_flags & MPC_APIC_USABLE))
@@ -159,16 +174,10 @@ static void __init MP_ioapic_info (struct mpc_config_ioapic *m)
printk("I/O APIC #%d at 0x%X.\n",
m->mpc_apicid, m->mpc_apicaddr);
- if (nr_ioapics >= MAX_IO_APICS) {
- printk(KERN_ERR "Max # of I/O APICs (%d) exceeded (found %d).\n",
- MAX_IO_APICS, nr_ioapics);
- panic("Recompile kernel with bigger MAX_IO_APICS!.\n");
- }
- if (!m->mpc_apicaddr) {
- printk(KERN_ERR "WARNING: bogus zero I/O APIC address"
- " found in MP table, skipping!\n");
+
+ if (bad_ioapic(m->mpc_apicaddr))
return;
- }
+
mp_ioapics[nr_ioapics] = *m;
nr_ioapics++;
}
@@ -647,16 +656,8 @@ void __init mp_register_ioapic(u8 id, u32 address, u32 gsi_base)
{
int idx = 0;
- if (nr_ioapics >= MAX_IO_APICS) {
- printk(KERN_ERR "ERROR: Max # of I/O APICs (%d) exceeded "
- "(found %d)\n", MAX_IO_APICS, nr_ioapics);
- panic("Recompile kernel with bigger MAX_IO_APICS!\n");
- }
- if (!address) {
- printk(KERN_ERR "WARNING: Bogus (zero) I/O APIC address"
- " found in MADT table, skipping!\n");
+ if (bad_ioapic(address))
return;
- }
idx = nr_ioapics++;
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