FYI, we noticed the below changes on

https://github.com/jiangliu/linux.git test/irq_v1
commit a8d33642331a02601b113ea0260911ab65a2356d ("x86/irq: Convert IOAPIC to use hierarchy irqdomain interfaces")


[    8.953560] lkdtm: No crash points registered, enable through debugfs
[    8.956562] Silicon Labs C2 port support v. 0.51.0 - (C) 2007 Rodolfo Giometti
[    8.967695] scsi: <fdomain> Detection failed (no card)
[    8.997289] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
[    8.998408] pci 0000:00:04.0: PCI INT A: failed to register GSI
[    9.000590] megasas: 06.805.06.01-rc1
[    9.002540] mpt3sas version 04.100.00.00 loaded
[    9.006590] 3ware 9000 Storage Controller device driver for Linux v2.26.02.014.
[    9.017029] esas2r: driver will not be loaded because no ATTO esas2r devices were found
[    9.019210] st: Version 20101219, fixed bufsize 32768, s/g segs 256

Something new in dmesg is:

[    8.998408] pci 0000:00:04.0: PCI INT A: failed to register GSI


Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.


Thanks,
Huang, Ying