Commit 55cc40d3 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Dave Hansen
Browse files

x86/apic: Nuke another processor check 



The boot CPUs local APIC is now always registered, so there is no point to
have another unreadable validatation for it.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarDave Hansen <dave.hansen@linux.intel.com>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: default avatarMichael Kelley <mikelley@microsoft.com>
Tested-by: default avatarSohil Mehta <sohil.mehta@intel.com>
Tested-by: Juergen Gross <jgross@suse.com> # Xen PV (dom0 and unpriv. guest)
parent e8122513

arch/x86/kernel/smpboot.c

+0 −17
Original line number Diff line number Diff line
@@ -1181,23 +1181,6 @@ static void __init smp_sanity_check(void) 
		set_nr_cpu_ids(8);

	}

#endif



	if (!physid_isset(read_apic_id(), phys_cpu_present_map)) {

		pr_warn("weird, boot CPU (#%d) not listed by the BIOS\n",

			read_apic_id());



		physid_set(read_apic_id(), phys_cpu_present_map);

	}



	/*

	 * Should not be necessary because the MP table should list the boot

	 * CPU too, but we do it for the sake of robustness anyway.

	 */

	if (!apic->check_phys_apicid_present(boot_cpu_physical_apicid)) {

		pr_notice("weird, boot CPU (#%d) not listed by the BIOS\n",

			  boot_cpu_physical_apicid);

		physid_set(read_apic_id(), phys_cpu_present_map);

	}

	preempt_enable();

}