On Tue, Jun 6, 2017 at 12:08 PM, David Howells <dhowe...@redhat.com> wrote: > Jason A. Donenfeld <ja...@zx2c4.com> wrote: > >> + key->serial = get_random_u32() >> 1; > > If this may sleep, it must be interruptible.
That won't sleep. I could have made it get_random_u32_wait(), but we'd get into trouble at boottime. So instead, for now, I just use get_random_u32 rather than get_random_bytes, which can use the architectural random number generator, when the platform has one, which is available early on.
