Hi Thomas, On Tue, 13 Feb 2024 09:21:47 +0100, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > > Here the parent APIC chip does apic_set_affinity() which will set up > > effective mask before posted MSI affinity change. > > > > Maybe I missed some cases? > > The function is only used in intel_ir_reconfigure_irte_posted() in the > next patch, but it's generally available. So I asked that question > because if it's called in some other context then it's going to be not > guaranteed. > > That also begs the question why this function exists in the first > place. This really can be part of intel_ir_reconfigure_irte_posted(), > which makes it clear what the context is, no? Make sense, will fold it in next time. Thanks, Jacob