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-rw-r--r--arch/i386/kernel/apic.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index 254cee9f0b7b..3d4b2f3d116a 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -757,10 +757,6 @@ static int __init apic_set_verbosity(char *str)
apic_verbosity = APIC_DEBUG;
else if (strcmp("verbose", str) == 0)
apic_verbosity = APIC_VERBOSE;
- else
- printk(KERN_WARNING "APIC Verbosity level %s not recognised"
- " use apic=verbose or apic=debug\n", str);
-
return 1;
}
@@ -1345,6 +1341,14 @@ int __init APIC_init_uniprocessor (void)
connect_bsp_APIC();
+ /*
+ * Hack: In case of kdump, after a crash, kernel might be booting
+ * on a cpu with non-zero lapic id. But boot_cpu_physical_apicid
+ * might be zero if read from MP tables. Get it from LAPIC.
+ */
+#ifdef CONFIG_CRASH_DUMP
+ boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
+#endif
phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid);
setup_local_APIC();