Commit f2208aa1 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Borislav Petkov (AMD)
Browse files

x86/mpparse: Register APIC address only once 



The APIC address is registered twice. First during the early detection and
afterwards when actually scanning the table for APIC IDs. The APIC and
topology core warn about the second attempt.

Restrict it to the early detection call.

Fixes: 81287ad6 ("x86/apic: Sanitize APIC address setup")
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarBorislav Petkov (AMD) <bp@alien8.de>
Tested-by: default avatarGuenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240322185305.297774848@linutronix.de
parent 5e25eb25

arch/x86/kernel/mpparse.c

+5 −5
Original line number Diff line number Diff line
@@ -197,12 +197,12 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early) 
	if (!smp_check_mpc(mpc, oem, str))

		return 0;



	if (early) {

		/* Initialize the lapic mapping */

		if (!acpi_lapic)

			register_lapic_address(mpc->lapic);



	if (early)

		return 1;

	}



	/* Now process the configuration blocks. */

	while (count < mpc->length) {