On Tue, Mar 04, 2025 at 04:18:03PM -0800, Dave Hansen wrote: > On 3/4/25 16:06, Jarkko Sakkinen wrote: > > + /* > > + * This is a micro-architectural requirement. ECREATE would detect this > > + * too without mentionable overhead but this check guarantees also that > > + * the space calculations for EPC and shmem allocations never overflow. > > + */ > > + if (!is_power_of_2(secs->size)) > > + return -EINVAL; > > Isn't it a plain old documented architectural requirement? Yes, but it requires some explanation why it exists here instead of counting on ECREATE. What do you suggest? BR, Jarkko
