Merge branch into tip/master: 'x86/irq'

 # New commits in x86/irq:
    d441e38a2c87 ("x86/irq_remapping: Sanitize posted_msi_supported()")
    4021a6dad720 ("x86/irq: Cleanup posted MSI code")

Signed-off-by: Ingo Molnar <mingo@kernel.org>