> -----Original Message----- > From: Ferruh Yigit <ferruh.yi...@intel.com> > Sent: Friday, May 1, 2020 11:07 PM > To: Ruifeng Wang <ruifeng.w...@arm.com>; wenzhuo...@intel.com; > konstantin.anan...@intel.com; jer...@marvell.com; > vikto...@rehivetech.com > Cc: dev@dpdk.org; Gavin Hu <gavin...@arm.com>; Honnappa Nagarahalli > <honnappa.nagaraha...@arm.com>; juraj.lin...@pantheon.tech; nd > <n...@arm.com> > Subject: Re: [dpdk-dev] [PATCH 0/3] aarch32 compilation > > On 4/24/2020 7:50 AM, Ruifeng Wang wrote: > > Build aarch32 binary on aarch64 platform hit issues with l3fwd [1] and > > ixgbe PMD [2]. This patch set is to fix these. > > > > When building with make, please refer to guide: > > http://patches.dpdk.org/patch/62820/ > > > > When building with meson, requires series: > > http://patches.dpdk.org/cover/68534/ > > > > [1] https://mails.dpdk.org/archives/dev/2020-April/162673.html > > [2] https://mails.dpdk.org/archives/dev/2020-April/163846.html > > > > > > Ruifeng Wang (3): > > arch/arm: add vcopyq intrinsic for aarch32 > > net/ixgbe: add support for aarch32 > > net/ixgbe: fix include of vector header file > > > > Not directly related to this patch but since you are fixing aarch32 > compilation, > I am getting following -Wcast-align warnings [1] while cross building with: > arm-linux-gcc.br_real (Buildroot 2020.02-00011-g7ea8a52) 9.3.0 > I got the same warnings with arm-linux-gnueabihf-gcc. The warnings spread in many different files. It is because armv7a/aarch32 puts strict align requirement. We can first make it compile. And clean up such warnings in next step?
> > [1] > .../lib/librte_eal/linux/eal_vfio_mp_sync.c: In function ‘vfio_mp_primary’: > .../lib/librte_eal/linux/eal_vfio_mp_sync.c:31:28: warning: cast increases > required alignment of target type [-Wcast-align] > 31 | struct vfio_mp_param *r = (struct vfio_mp_param *)reply.param; > | ^ > .../lib/librte_eal/linux/eal_vfio_mp_sync.c:33:3: warning: cast increases > required alignment of target type [-Wcast-align] > 33 | (const struct vfio_mp_param *)msg->param; > | ^ > .../lib/librte_eal/linux/eal_vfio.c: In function ‘vfio_open_group_fd’: > .../lib/librte_eal/linux/eal_vfio.c:269:28: warning: cast increases required > alignment of target type [-Wcast-align] > 269 | struct vfio_mp_param *p = (struct vfio_mp_param *)mp_req.param; > | ^ > .../lib/librte_eal/linux/eal_vfio.c:316:7: warning: cast increases required > alignment of target type [-Wcast-align] > 316 | p = (struct vfio_mp_param *)mp_rep->param; > | ^ > CC eal_common_class.o > .../lib/librte_eal/linux/eal_vfio.c: In function > ‘vfio_sync_default_container’: > .../lib/librte_eal/linux/eal_vfio.c:627:28: warning: cast increases required > alignment of target type [-Wcast-align] > 627 | struct vfio_mp_param *p = (struct vfio_mp_param *)mp_req.param; > | ^ > .../lib/librte_eal/linux/eal_vfio.c:652:7: warning: cast increases required > alignment of target type [-Wcast-align] > 652 | p = (struct vfio_mp_param *)mp_rep->param; > | ^ > .../lib/librte_eal/linux/eal_vfio.c: In function > ‘vfio_get_default_container_fd’: > .../lib/librte_eal/linux/eal_vfio.c:1094:28: warning: cast increases required > alignment of target type [-Wcast-align] > 1094 | struct vfio_mp_param *p = (struct vfio_mp_param *)mp_req.param; > | ^ > .../lib/librte_eal/linux/eal_vfio.c:1116:7: warning: cast increases required > alignment of target type [-Wcast-align] > 1116 | p = (struct vfio_mp_param *)mp_rep->param; > | ^ > CC eal_common_bus.o > .../lib/librte_eal/linux/eal_vfio.c: In function ‘rte_vfio_get_container_fd’: > .../lib/librte_eal/linux/eal_vfio.c:1202:28: warning: cast increases required > alignment of target type [-Wcast-align] > 1202 | struct vfio_mp_param *p = (struct vfio_mp_param *)mp_req.param; > | ^ > .../lib/librte_eal/linux/eal_vfio.c:1248:7: warning: cast increases required > alignment of target type [-Wcast-align] > 1248 | p = (struct vfio_mp_param *)mp_rep->param; > | ^
