[PATCH] x86-64: Don't trust boot_cpu_id in the mptable.
authorAndi Kleen <ak@suse.de>
Mon, 12 Sep 2005 16:49:24 +0000 (18:49 +0200)
committerLinus Torvalds <torvalds@g5.osdl.org>
Mon, 12 Sep 2005 17:49:57 +0000 (10:49 -0700)
It could be wrong for kexec or other cases. Read it from
the CPU instead.

Signed-off-by: Murali <muralim@in.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/x86_64/kernel/apic.c

index 12e9d6c..a759f4e 100644 (file)
@@ -622,8 +622,7 @@ void __init init_apic_mappings(void)
         * Fetch the APIC ID of the BSP in case we have a
         * default configuration (or the MP table is broken).
         */
-       if (boot_cpu_id == -1U)
-               boot_cpu_id = GET_APIC_ID(apic_read(APIC_ID));
+       boot_cpu_id = GET_APIC_ID(apic_read(APIC_ID));
 
 #ifdef CONFIG_X86_IO_APIC
        {