The following commit has been merged into the x86/apic branch of tip: Commit-ID: 4b99e735a5c6cb3c8b23fba522cb1d24a1679f94 Gitweb: https://git.kernel.org/tip/4b99e735a5c6cb3c8b23fba522cb1d24a1679f94 Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Tue, 13 Feb 2024 22:04:59 +01:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Thu, 15 Feb 2024 22:07:39 +01:00 x86/ioapic: Simplify setup_ioapic_ids_from_mpc_nocheck() No need to go through APIC callbacks. It's already established that this is an ancient APIC. So just copy the present mask and use the direct physid* functions all over the place. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Tested-by: Michael Kelley <mhklinux@xxxxxxxxxxx> Tested-by: Sohil Mehta <sohil.mehta@xxxxxxxxx> Link: https://lore.kernel.org/r/20240212154639.181901887@xxxxxxxxxxxxx --- arch/x86/kernel/apic/io_apic.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 8dc91d0..6285d88 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1471,7 +1471,7 @@ static void __init setup_ioapic_ids_from_mpc_nocheck(void) * This is broken; anything with a real cpu count has to * circumvent this idiocy regardless. */ - apic->ioapic_phys_id_map(&phys_cpu_present_map, &phys_id_present_map); + phys_id_present_map = phys_cpu_present_map; /* * Set the IOAPIC ID to the value stored in the MPC table. @@ -1496,8 +1496,7 @@ static void __init setup_ioapic_ids_from_mpc_nocheck(void) * system must have a unique ID or we get lots of nice * 'stuck on smp_invalidate_needed IPI wait' messages. */ - if (apic->check_apicid_used(&phys_id_present_map, - mpc_ioapic_id(ioapic_idx))) { + if (physid_isset(mpc_ioapic_id(ioapic_idx), phys_id_present_map)) { pr_err(FW_BUG "IO-APIC#%d ID %d is already used!...\n", ioapic_idx, mpc_ioapic_id(ioapic_idx)); for (i = 0; i < broadcast_id; i++)