On Thu, May 07, 2026 at 03:43:43PM +0000, Stanislav Kinsburskii wrote: > In mshv_irqfd_assign(), the level-triggered validation for resample > irqfds checks irqfd_lapic_irq.lapic_control.level_triggered before > mshv_irqfd_update() has populated the field. Since the irqfd struct is > zero-allocated, level_triggered is always 0 at that point, causing the > check to always reject resample irqfds with -EINVAL. This makes > level-triggered interrupt resampling — used to avoid interrupt storms > with assigned devices — completely non-functional.
What bugs would this manifest as? Why haven't we seen any such bugs so far? Thanks, Anirudh.
