On Wed, Sep 21, 2016 at 12:10:55PM +0200, Hannes Frederic Sowa wrote: > On 20.09.2016 20:57, Sowmini Varadhan wrote: > > The vxlan header may not be aligned to 4 bytes in > > vxlan_build_skb (e.g., for MLD packets). This patch > > avoids unaligned access traps from vxlan_build_skb > > (in platforms like sparc) by making struct vxlanhdr __packed. > > > > Signed-off-by: Sowmini Varadhan <sowmini.varad...@oracle.com> > > Performance wise this should only affect code generation for archs where > it matters anyway.
I think it's the opposite. Even on x86 compiler will use byte loads.
