From: Norbert Ciosek norbertx.ciosek@intel.com
[ Upstream commit 22f8b5df881e9f1302514bbbbbb8649c2051de55 ]
Remove padding from RSS structures. Previous layout could lead to unwanted compiler optimizations in loops when iterating over key and lut arrays.
Fixes: 65ece6de0114 ("virtchnl: Add missing explicit padding to structures") Signed-off-by: Norbert Ciosek norbertx.ciosek@intel.com Tested-by: Konrad Jankowski konrad0.jankowski@intel.com Signed-off-by: Tony Nguyen anthony.l.nguyen@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- include/linux/avf/virtchnl.h | 2 -- 1 file changed, 2 deletions(-)
diff --git a/include/linux/avf/virtchnl.h b/include/linux/avf/virtchnl.h index 40bad71865ea..532bcbfc4716 100644 --- a/include/linux/avf/virtchnl.h +++ b/include/linux/avf/virtchnl.h @@ -476,7 +476,6 @@ struct virtchnl_rss_key { u16 vsi_id; u16 key_len; u8 key[1]; /* RSS hash key, packed bytes */ - u8 pad[1]; };
VIRTCHNL_CHECK_STRUCT_LEN(6, virtchnl_rss_key); @@ -485,7 +484,6 @@ struct virtchnl_rss_lut { u16 vsi_id; u16 lut_entries; u8 lut[1]; /* RSS lookup table */ - u8 pad[1]; };
VIRTCHNL_CHECK_STRUCT_LEN(6, virtchnl_rss_lut);