On Fri, 2017-03-24 at 09:38 -0700, Alexander Duyck wrote: > From: Alexander Duyck <alexander.h.du...@intel.com> > > This change basically codifies what I think was already the limitations on > the busy_poll and busy_read sysctl interfaces. We weren't checking the > lower bounds and as such could input negative values. The behavior when > that was used was dependent on the architecture. In order to prevent any > issues with that I am just disabling support for values less than 0 since > this way we don't have to worry about any odd behaviors. > > By limiting the sysctl values this way it also makes it consistent with how > we handle the SO_BUSY_POLL socket option since the value appears to be > reported as a signed integer value and negative values are rejected. > > Signed-off-by: Alexander Duyck <alexander.h.du...@intel.com> > ---
Acked-by: Eric Dumazet <eduma...@google.com>