On Mon, 29 Feb 2016 16:55:38 +0100 Jan Viktorin <viktorin at rehivetech.com> wrote:
> On Mon, 29 Feb 2016 16:14:58 +0100 > Thomas Monjalon <thomas.monjalon at 6wind.com> wrote: > > > 2015-12-09 16:16, Jan Viktorin: > > > This patch reduces number of warnings from 53 to 40. It removes the usual > > > false > > > positives utilizing unaligned_uint*_t data types. > > > > > > Signed-off-by: Jan Viktorin <viktorin at rehivetech.com> > > > > Applied, thanks > > > > Jan, what is the problem with the other ARM alignment warnings? > > Can they be fixed? > > This is the full list of warnings I can see on the current origin/master > for ARMv7 (42 occurences) including examples (+10 more). The origin of > all of them is: > > cast increases required alignment of target type [-Wcast-align] > > After skimming through the list, you can see that they are mostly casts > to uint32_t * or something similar. I believe that all of them are OK. > However, I don't know how to persuade GCC to not be angry... > > Probably, we can add some explicit alignment of certain structures. > [snip] > > lib/librte_vhost/vhost_user/virtio-net-user.c > 433 rarp = (struct ether_arp *)(eth_hdr + 1); > 527 ifr = (struct ifreq *)ifc.ifc_buf; Fixed recently in http://dpdk.org/browse/dpdk/commit/?id=bb66588304632a7e4a043d2921d06709d40f9ed4 > > Regards > Jan