On Wed, Jan 22, 2025 at 11:02:59PM -0800, Nicolin Chen wrote: > I made a change to duplicate the overflow node in the fetch() that > is protected by the spinlock, which is used for copy_to_user. Then > the other routine for vEVENT reporting, protected by the spinlock, > can race-freely update the preallocated overflow node. That seems like the right answer, copy the few bytes you need on the stack under the spinlock. Jason
