]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
i40e: only redistribute MSI-X vectors when needed
authorShannon Nelson <shannon.nelson@oracle.com>
Tue, 10 Oct 2017 21:56:58 +0000 (14:56 -0700)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Tue, 31 Oct 2017 17:39:22 +0000 (10:39 -0700)
commit3e6b1cf7613393a7c8648133daf0e853c4e05220
tree829f4921babf5262846b806c1161e42c4b0c350e
parent254d152a216750f508442cc3e502130e5f539ab4
i40e: only redistribute MSI-X vectors when needed

Whether or not there are vectors_left, we only need to redistribute
our vectors if we didn't get as many as we requested.  With the current
check, the code will try to redistribute even if we did in fact get all
the vectors we requested - this can happen when we have more CPUs than
we do vectors.  This restores an earlier check to be sure we only
redistribute if we didn't get the full count we requested.

Fixes: 4ce20abc645f (i40e: fix MSI-X vector redistribution if hw limit is reached)
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/i40e/i40e_main.c