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authorAlexey Starikovskiy <astarikovskiy@suse.de>2008-04-04 23:42:27 +0400
committerIngo Molnar <mingo@elte.hu>2008-04-17 17:41:35 +0200
commite950bea8bff23c14eb38dc706aadf197ed81abf4 (patch)
tree642a45b3eba2c2a13ed407937ddc4a934d8993a2 /arch/x86/kernel
parentf8924e770e048429ae13bfabe1ddad9bf1e64df7 (diff)
x86: unify smp_read_mpc
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/mpparse_32.c25
-rw-r--r--arch/x86/kernel/mpparse_64.c27
2 files changed, 35 insertions, 17 deletions
diff --git a/arch/x86/kernel/mpparse_32.c b/arch/x86/kernel/mpparse_32.c
index 9120573e2616..c185065c3ebc 100644
--- a/arch/x86/kernel/mpparse_32.c
+++ b/arch/x86/kernel/mpparse_32.c
@@ -288,39 +288,40 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
unsigned char *mpt = ((unsigned char *)mpc) + count;
if (memcmp(mpc->mpc_signature, MPC_SIGNATURE, 4)) {
- printk(KERN_ERR "SMP mptable: bad signature [0x%x]!\n",
- *(u32 *) mpc->mpc_signature);
+ printk(KERN_ERR "MPTABLE: bad signature [%c%c%c%c]!\n",
+ mpc->mpc_signature[0], mpc->mpc_signature[1],
+ mpc->mpc_signature[2], mpc->mpc_signature[3]);
return 0;
}
if (mpf_checksum((unsigned char *)mpc, mpc->mpc_length)) {
- printk(KERN_ERR "SMP mptable: checksum error!\n");
+ printk(KERN_ERR "MPTABLE: checksum error!\n");
return 0;
}
if (mpc->mpc_spec != 0x01 && mpc->mpc_spec != 0x04) {
- printk(KERN_ERR "SMP mptable: bad table version (%d)!!\n",
+ printk(KERN_ERR "MPTABLE: bad table version (%d)!!\n",
mpc->mpc_spec);
return 0;
}
if (!mpc->mpc_lapic) {
- printk(KERN_ERR "SMP mptable: null local APIC address!\n");
+ printk(KERN_ERR "MPTABLE: null local APIC address!\n");
return 0;
}
memcpy(oem, mpc->mpc_oem, 8);
oem[8] = 0;
- printk(KERN_INFO "OEM ID: %s ", oem);
+ printk(KERN_INFO "MPTABLE: OEM ID: %s ", oem);
memcpy(str, mpc->mpc_productid, 12);
str[12] = 0;
printk("Product ID: %s ", str);
+#ifdef CONFIG_X86_32
mps_oem_check(mpc, oem, str);
+#endif
+ printk(KERN_INFO "MPTABLE: Product ID: %s ", str);
- printk("APIC at: 0x%X\n", mpc->mpc_lapic);
+ printk(KERN_INFO "MPTABLE: APIC at: 0x%X\n", mpc->mpc_lapic);
- /*
- * Save the local APIC address (it might be non-default) -- but only
- * if we're not using ACPI.
- */
+ /* save the local APIC address, it might be non-default */
if (!acpi_lapic)
mp_lapic_addr = mpc->mpc_lapic;
@@ -399,7 +400,7 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
}
setup_apic_routing();
if (!num_processors)
- printk(KERN_ERR "SMP mptable: no processors registered!\n");
+ printk(KERN_ERR "MPTABLE: no processors registered!\n");
return num_processors;
}
diff --git a/arch/x86/kernel/mpparse_64.c b/arch/x86/kernel/mpparse_64.c
index 831097f2022a..d188848a893e 100644
--- a/arch/x86/kernel/mpparse_64.c
+++ b/arch/x86/kernel/mpparse_64.c
@@ -188,13 +188,13 @@ static void __init MP_lintsrc_info(struct mpc_config_lintsrc *m)
static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
{
char str[16];
+ char oem[10];
int count = sizeof(*mpc);
unsigned char *mpt = ((unsigned char *)mpc) + count;
if (memcmp(mpc->mpc_signature, MPC_SIGNATURE, 4)) {
printk(KERN_ERR "MPTABLE: bad signature [%c%c%c%c]!\n",
- mpc->mpc_signature[0],
- mpc->mpc_signature[1],
+ mpc->mpc_signature[0], mpc->mpc_signature[1],
mpc->mpc_signature[2], mpc->mpc_signature[3]);
return 0;
}
@@ -211,12 +211,17 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
printk(KERN_ERR "MPTABLE: null local APIC address!\n");
return 0;
}
- memcpy(str, mpc->mpc_oem, 8);
- str[8] = 0;
- printk(KERN_INFO "MPTABLE: OEM ID: %s ", str);
+ memcpy(oem, mpc->mpc_oem, 8);
+ oem[8] = 0;
+ printk(KERN_INFO "MPTABLE: OEM ID: %s ", oem);
memcpy(str, mpc->mpc_productid, 12);
str[12] = 0;
+ printk("Product ID: %s ", str);
+
+#ifdef CONFIG_X86_32
+ mps_oem_check(mpc, oem, str);
+#endif
printk(KERN_INFO "MPTABLE: Product ID: %s ", str);
printk(KERN_INFO "MPTABLE: APIC at: 0x%X\n", mpc->mpc_lapic);
@@ -231,12 +236,16 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
/*
* Now process the configuration blocks.
*/
+#ifdef CONFIG_X86_NUMAQ
+ mpc_record = 0;
+#endif
while (count < mpc->mpc_length) {
switch (*mpt) {
case MP_PROCESSOR:
{
struct mpc_config_processor *m =
(struct mpc_config_processor *)mpt;
+ /* ACPI may have already provided this data */
if (!acpi_lapic)
MP_processor_info(m);
mpt += sizeof(*m);
@@ -280,7 +289,15 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
count += sizeof(*m);
break;
}
+ default:
+ {
+ count = mpc->mpc_length;
+ break;
+ }
}
+#ifdef CONFIG_X86_NUMAQ
+ ++mpc_record;
+#endif
}
setup_apic_routing();
if (!num_processors)