On 10.06.2025 20:02, dm...@proton.me wrote: > On Tue, Jun 10, 2025 at 12:24:57PM +0100, Andrew Cooper wrote: >> Separately, 200 is a silly and arbitrary number. Furthermore the >> allocation is unconditional, despite the fact that in !VERSBOSE builds, >> domUs can't use this facility. Also, where's the input buffer? > > Thanks! > > I will try to address those under individual changes. > > re: arbitrary number: Will bumping the buffer size to the next power of 2 == > 256 work?
Any other number would work, but would be as arbitrary. Since the buffer is dynamically allocated, one non-arbitrary aspect of the selection may want to be to make the number such that including allocation overhead it's an even multiple of cache line size. Jan