netdev - Re: [PATCH v3 net-next 4/8] net: dsa: implement auto-normalization of MTU for bridge hardware datapath

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Date:   Thu, 2 Apr 2020 09:25:03 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     kbuild-all@...ts.01.org, andrew@...n.ch, f.fainelli@...il.com,
        vivien.didelot@...il.com, davem@...emloft.net,
        jakub.kicinski@...ronome.com, murali.policharla@...adcom.com,
        stephen@...workplumber.org, jiri@...nulli.us, idosch@...sch.org,
        kuba@...nel.org, nikolay@...ulusnetworks.com,
        netdev@...r.kernel.org
Subject: Re: [PATCH v3 net-next 4/8] net: dsa: implement auto-normalization
 of MTU for bridge hardware datapath

Hi Vladimir,

I love your patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]
[also build test WARNING on linus/master v5.6-rc7 next-20200327]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Vladimir-Oltean/Configure-the-MTU-on-DSA-switches/20200327-094801
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 92b7e62e5630a370955a4760bbeb3967457034ec
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-187-gbff9b106-dirty
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
:::::: branch date: 17 hours ago
:::::: commit date: 17 hours ago

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

   net/dsa/slave.c:506:13: sparse: sparse: incorrect type in initializer (different address spaces) @@    expected void const [noderef] <asn:3> *__vpp_verify @@    got const [noderef] <asn:3> *__vpp_verify @@
   net/dsa/slave.c:506:13: sparse:    expected void const [noderef] <asn:3> *__vpp_verify
   net/dsa/slave.c:506:13: sparse:    got struct pcpu_sw_netstats *
   net/dsa/slave.c:640:21: sparse: sparse: incorrect type in initializer (different address spaces) @@    expected void const [noderef] <asn:3> *__vpp_verify @@    got const [noderef] <asn:3> *__vpp_verify @@
   net/dsa/slave.c:640:21: sparse:    expected void const [noderef] <asn:3> *__vpp_verify
   net/dsa/slave.c:640:21: sparse:    got struct pcpu_sw_netstats *
   net/dsa/slave.c:1106:21: sparse: sparse: incorrect type in initializer (different address spaces) @@    expected void const [noderef] <asn:3> *__vpp_verify @@    got const [noderef] <asn:3> *__vpp_verify @@
   net/dsa/slave.c:1106:21: sparse:    expected void const [noderef] <asn:3> *__vpp_verify
   net/dsa/slave.c:1106:21: sparse:    got struct pcpu_sw_netstats *
>> net/dsa/slave.c:1264:6: sparse: sparse: symbol 'dsa_bridge_mtu_normalization' was not declared. Should it be static?
   net/dsa/slave.c:1682:20: sparse: sparse: incorrect type in assignment (different address spaces) @@    expected struct pcpu_sw_netstats *stats64 @@    got struct pcpu_sw_netstruct pcpu_sw_netstats *stats64 @@
   net/dsa/slave.c:1682:20: sparse:    expected struct pcpu_sw_netstats *stats64
   net/dsa/slave.c:1682:20: sparse:    got struct pcpu_sw_netstats [noderef] <asn:3> *pcpu_stats
   net/dsa/slave.c:1726:22: sparse: sparse: incorrect type in argument 1 (different address spaces) @@    expected void [noderef] <asn:3> *__pdata @@    got svoid [noderef] <asn:3> *__pdata @@
   net/dsa/slave.c:1726:22: sparse:    expected void [noderef] <asn:3> *__pdata
   net/dsa/slave.c:1726:22: sparse:    got struct pcpu_sw_netstats *stats64
   net/dsa/slave.c:1745:22: sparse: sparse: incorrect type in argument 1 (different address spaces) @@    expected void [noderef] <asn:3> *__pdata @@    got svoid [noderef] <asn:3> *__pdata @@
   net/dsa/slave.c:1745:22: sparse:    expected void [noderef] <asn:3> *__pdata
   net/dsa/slave.c:1745:22: sparse:    got struct pcpu_sw_netstats *stats64

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org