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Revert "x86/mpparse: Register APIC address only once"

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This reverts commit bebb5af001dc6cb4f505bb21c4d5e2efbdc112e2 which is
commit f2208aa12c27bfada3c15c550c03ca81d42dcac2 upstream.

It is reported to cause problems in the stable branches, so revert it.

Link: https://lore.kernel.org/r/899b7c1419a064a2b721b78eade06659@stwm.de
Reported-by: Wolfgang Walter <linux@stwm.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2024-04-08 12:42:06 +02:00
parent a7ff84a6fe
commit 37b81aed64
1 changed files with 5 additions and 5 deletions
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10
arch/x86/kernel/mpparse.c
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@ -196,12 +196,12 @@ 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);
/* 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) {