From: William Tu <u9012063@gmail.com>
To: xiangxia.m.yue@gmail.com
Cc: Greg Rose <gvrose8192@gmail.com>, pravin shelar <pshelar@ovn.org>,
"<dev@openvswitch.org>" <dev@openvswitch.org>,
Linux Kernel Network Developers <netdev@vger.kernel.org>
Subject: Re: [ovs-dev] [PATCH net-next v4 06/10] net: openvswitch: simplify the flow_hash
Date: Fri, 18 Oct 2019 16:27:07 -0700 [thread overview]
Message-ID: <CALDO+SZ8AR65E9qqxO6MvrRiJrwSy10uK0Ex=hjYBmyJL=2SXA@mail.gmail.com> (raw)
In-Reply-To: <1571135440-24313-7-git-send-email-xiangxia.m.yue@gmail.com>
On Wed, Oct 16, 2019 at 5:54 AM <xiangxia.m.yue@gmail.com> wrote:
>
> From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
>
> Simplify the code and remove the unnecessary BUILD_BUG_ON.
>
> Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
> Tested-by: Greg Rose <gvrose8192@gmail.com>
> ---
LGTM
Acked-by: William Tu <u9012063@gmail.com>
> net/openvswitch/flow_table.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c
> index a10d421..3e3d345 100644
> --- a/net/openvswitch/flow_table.c
> +++ b/net/openvswitch/flow_table.c
> @@ -432,13 +432,9 @@ int ovs_flow_tbl_flush(struct flow_table *flow_table)
> static u32 flow_hash(const struct sw_flow_key *key,
> const struct sw_flow_key_range *range)
> {
> - int key_start = range->start;
> - int key_end = range->end;
> - const u32 *hash_key = (const u32 *)((const u8 *)key + key_start);
> - int hash_u32s = (key_end - key_start) >> 2;
> -
> + const u32 *hash_key = (const u32 *)((const u8 *)key + range->start);
> /* Make sure number of hash bytes are multiple of u32. */
> - BUILD_BUG_ON(sizeof(long) % sizeof(u32));
> + int hash_u32s = range_n_bytes(range) >> 2;
>
> return jhash2(hash_key, hash_u32s, 0);
> }
> --
> 1.8.3.1
>
> _______________________________________________
> dev mailing list
> dev@openvswitch.org
> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
next prev parent reply other threads:[~2019-10-18 23:27 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-15 10:30 [PATCH net-next v4 00/10] optimize openvswitch flow looking up xiangxia.m.yue
2019-10-15 10:30 ` [PATCH net-next v4 01/10] net: openvswitch: add flow-mask cache for performance xiangxia.m.yue
2019-10-18 23:29 ` [ovs-dev] " William Tu
2019-10-15 10:30 ` [PATCH net-next v4 02/10] net: openvswitch: convert mask list in mask array xiangxia.m.yue
2019-10-18 23:30 ` [ovs-dev] " William Tu
2019-10-15 10:30 ` [PATCH net-next v4 03/10] net: openvswitch: shrink the mask array if necessary xiangxia.m.yue
2019-10-18 23:33 ` [ovs-dev] " William Tu
2019-10-15 10:30 ` [PATCH net-next v4 04/10] net: openvswitch: optimize flow mask cache hash collision xiangxia.m.yue
2019-10-15 10:30 ` [PATCH net-next v4 05/10] net: openvswitch: optimize flow-mask looking up xiangxia.m.yue
2019-10-18 23:26 ` [ovs-dev] " William Tu
2019-10-21 4:51 ` Tonghao Zhang
2019-10-21 17:58 ` William Tu
2019-10-15 10:30 ` [PATCH net-next v4 06/10] net: openvswitch: simplify the flow_hash xiangxia.m.yue
2019-10-18 23:27 ` William Tu [this message]
2019-10-15 10:30 ` [PATCH net-next v4 07/10] net: openvswitch: add likely in flow_lookup xiangxia.m.yue
2019-10-18 23:27 ` [ovs-dev] " William Tu
2019-10-15 10:30 ` [PATCH net-next v4 08/10] net: openvswitch: fix possible memleak on destroy flow-table xiangxia.m.yue
2019-10-17 22:38 ` Pravin Shelar
2019-10-18 3:16 ` Tonghao Zhang
2019-10-18 18:12 ` Pravin Shelar
2019-10-21 5:01 ` Tonghao Zhang
2019-10-22 6:57 ` Pravin Shelar
2019-10-23 2:35 ` Tonghao Zhang
2019-10-24 7:14 ` Pravin Shelar
2019-10-28 6:49 ` Tonghao Zhang
2019-10-29 7:37 ` Pravin Shelar
2019-10-29 11:30 ` Tonghao Zhang
2019-10-29 20:27 ` Pravin Shelar
2019-10-15 10:30 ` [PATCH net-next v4 09/10] net: openvswitch: don't unlock mutex when changing the user_features fails xiangxia.m.yue
2019-10-18 23:27 ` [ovs-dev] " William Tu
2019-10-15 10:30 ` [PATCH net-next v4 10/10] net: openvswitch: simplify the ovs_dp_cmd_new xiangxia.m.yue
2019-10-18 23:29 ` [ovs-dev] " William Tu
2019-10-17 19:22 ` [PATCH net-next v4 00/10] optimize openvswitch flow looking up David Miller
2019-10-17 20:29 ` Gregory Rose
2019-10-21 17:14 ` [ovs-dev] " William Tu
2019-10-22 1:16 ` Tonghao Zhang
2019-10-22 15:44 ` William Tu
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