Re: [dpdk-dev] [PATCH 0/3] aarch32 compilation

[Ferruh Yigit <ferruh.yigit@intel.com>]

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


[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;
      |       ^