Hi,
> -----Original Message-----
> From: dev <dev-boun...@dpdk.org> On Behalf Of hgovindh
> Sent: Thursday, July 25, 2019 00:44
> To: Remy Horton <remy.hor...@intel.com>; Marko Kovacevic
> <marko.kovace...@intel.com>; Ori Kam <or...@mellanox.com>; Bruce
> Richardson <bruce.richard...@intel.com>; Pablo de Lara
> <pablo.de.lara.gua...@intel.com>; Radu Nicolau <radu.nico...@intel.com>;
> akhil.go...@nxp.com; Tomasz Kantecki <tomasz.kante...@intel.com>
> Cc: dev@dpdk.org; hgovindh <hariprasad.govindhara...@intel.com>;
> maciej.cze...@caviumnetworks.com; sta...@dpdk.org
> Subject: [dpdk-dev] [PATCH] examples/l3fwd: fix unaligned memory access
>
> Fix unaligned memory access when reading IPv6 header which leads to
> segmentation fault by changing aligned memory read to unaligned memory
> read.
>
> Bugzilla ID: 279
> Fixes: 64d3955de1de ("examples/l3fwd: fix ARM build")
> Cc: maciej.cze...@caviumnetworks.com
> Cc: sta...@dpdk.org
> Signed-off-by: hgovindh <hariprasad.govindhara...@intel.com>
> ---
> examples/l3fwd/l3fwd_em.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/examples/l3fwd/l3fwd_em.c b/examples/l3fwd/l3fwd_em.c
> index fa8f82be6..f0c443dae 100644
> --- a/examples/l3fwd/l3fwd_em.c
> +++ b/examples/l3fwd/l3fwd_em.c
> @@ -285,7 +285,7 @@ em_get_ipv6_dst_port(void *ipv6_hdr, uint16_t
> portid, void *lookup_struct)
> * Get part of 5 tuple: dst IP address lower 96 bits
> * and src IP address higher 32 bits.
> */
> - key.xmm[1] = *(xmm_t *)data1;
> + key.xmm[1] = _mm_loadu_si128((xmm_t *)data1);
The use of SSE intrinsics on general path will break build on other
architectures.
How about use em_mask_key() instead?
>
> /*
> * Get part of 5 tuple: dst port and src port
> --
> 2.22.0
