x86/apic: Split register_apic_address()

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Split the fixmap setup out of register_lapic_address() and reuse it when
the X2APIC is disabled during setup.

This avoids registering the APIC ID (setting 'mp_lapic_addr') twice.

[ dhansen: changelog wording tweak ]

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Tested-by: Juergen Gross <jgross@suse.com> # Xen PV (dom0 and unpriv. guest)

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Thomas Gleixner 2023-08-08 15:03:48 -07:00 • committed by Dave Hansen

parent 1751adedbd

commit 5a88f354dc

1 changed files with 14 additions and 8 deletions

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arch/x86/kernel/apic/apic.c

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