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Message-ID: <20180904153945.GZ17047@intel.com>
Date: Tue, 4 Sep 2018 23:39:45 +0800
From: kbuild test robot <lkp@...el.com>
To: Jesper Dangaard Brouer <brouer@...hat.com>
Cc: kbuild-all@...org, netdev@...r.kernel.org,
Daniel Borkmann <borkmann@...earbox.net>,
Alexei Starovoitov <alexei.starovoitov@...il.com>,
Jesper Dangaard Brouer <brouer@...hat.com>
Subject: Re: [bpf-next PATCH 3/3] xdp: split code for map vs non-map redirect
Hi Jesper,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on bpf-next/master]
url: https://github.com/0day-ci/linux/commits/Jesper-Dangaard-Brouer/XDP-micro-optimizations-for-redirect/20180903-121606
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
:::::: branch date: 3 hours ago
:::::: commit date: 3 hours ago
net/core/filter.c:116:48: sparse: expression using sizeof(void)
net/core/filter.c:116:48: sparse: expression using sizeof(void)
net/core/filter.c:210:32: sparse: cast to restricted __be16
net/core/filter.c:210:32: sparse: cast to restricted __be16
net/core/filter.c:210:32: sparse: cast to restricted __be16
net/core/filter.c:210:32: sparse: cast to restricted __be16
net/core/filter.c:210:32: sparse: cast to restricted __be16
net/core/filter.c:210:32: sparse: cast to restricted __be16
net/core/filter.c:210:32: sparse: cast to restricted __be16
net/core/filter.c:210:32: sparse: cast to restricted __be16
net/core/filter.c:237:32: sparse: cast to restricted __be32
net/core/filter.c:237:32: sparse: cast to restricted __be32
net/core/filter.c:237:32: sparse: cast to restricted __be32
net/core/filter.c:237:32: sparse: cast to restricted __be32
net/core/filter.c:237:32: sparse: cast to restricted __be32
net/core/filter.c:237:32: sparse: cast to restricted __be32
net/core/filter.c:237:32: sparse: cast to restricted __be32
net/core/filter.c:237:32: sparse: cast to restricted __be32
net/core/filter.c:237:32: sparse: cast to restricted __be32
net/core/filter.c:237:32: sparse: cast to restricted __be32
net/core/filter.c:237:32: sparse: cast to restricted __be32
net/core/filter.c:237:32: sparse: cast to restricted __be32
net/core/filter.c:410:33: sparse: subtraction of functions? Share your drugs
net/core/filter.c:413:33: sparse: subtraction of functions? Share your drugs
net/core/filter.c:416:33: sparse: subtraction of functions? Share your drugs
net/core/filter.c:419:33: sparse: subtraction of functions? Share your drugs
net/core/filter.c:422:33: sparse: subtraction of functions? Share your drugs
net/core/filter.c:495:27: sparse: subtraction of functions? Share your drugs
net/core/filter.c:498:27: sparse: subtraction of functions? Share your drugs
net/core/filter.c:501:27: sparse: subtraction of functions? Share your drugs
include/linux/slab.h:631:13: sparse: undefined identifier '__builtin_mul_overflow'
include/linux/slab.h:631:13: sparse: not a function <noident>
include/linux/filter.h:644:16: sparse: expression using sizeof(void)
include/linux/filter.h:644:16: sparse: expression using sizeof(void)
include/linux/filter.h:644:16: sparse: expression using sizeof(void)
include/linux/filter.h:644:16: sparse: expression using sizeof(void)
net/core/filter.c:1389:39: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sock_filter const *filter @@ got struct sockstruct sock_filter const *filter @@
net/core/filter.c:1389:39: expected struct sock_filter const *filter
net/core/filter.c:1389:39: got struct sock_filter [noderef] <asn:1>*filter
include/linux/filter.h:644:16: sparse: expression using sizeof(void)
net/core/filter.c:1467:39: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sock_filter const *filter @@ got struct sockstruct sock_filter const *filter @@
net/core/filter.c:1467:39: expected struct sock_filter const *filter
net/core/filter.c:1467:39: got struct sock_filter [noderef] <asn:1>*filter
include/linux/filter.h:644:16: sparse: expression using sizeof(void)
include/linux/filter.h:644:16: sparse: expression using sizeof(void)
include/linux/filter.h:644:16: sparse: expression using sizeof(void)
net/core/filter.c:1843:43: sparse: incorrect type in argument 2 (different base types) @@ expected restricted __wsum [usertype] diff @@ got unsigned lonrestricted __wsum [usertype] diff @@
net/core/filter.c:1843:43: expected restricted __wsum [usertype] diff
net/core/filter.c:1843:43: got unsigned long long [unsigned] [usertype] to
net/core/filter.c:1846:36: sparse: incorrect type in argument 2 (different base types) @@ expected restricted __be16 [usertype] old @@ got unsigned lonrestricted __be16 [usertype] old @@
net/core/filter.c:1846:36: expected restricted __be16 [usertype] old
net/core/filter.c:1846:36: got unsigned long long [unsigned] [usertype] from
net/core/filter.c:1846:42: sparse: incorrect type in argument 3 (different base types) @@ expected restricted __be16 [usertype] new @@ got unsigned lonrestricted __be16 [usertype] new @@
net/core/filter.c:1846:42: expected restricted __be16 [usertype] new
net/core/filter.c:1846:42: got unsigned long long [unsigned] [usertype] to
net/core/filter.c:1849:36: sparse: incorrect type in argument 2 (different base types) @@ expected restricted __be32 [usertype] from @@ got unsigned lonrestricted __be32 [usertype] from @@
net/core/filter.c:1849:36: expected restricted __be32 [usertype] from
net/core/filter.c:1849:36: got unsigned long long [unsigned] [usertype] from
net/core/filter.c:1849:42: sparse: incorrect type in argument 3 (different base types) @@ expected restricted __be32 [usertype] to @@ got unsigned lonrestricted __be32 [usertype] to @@
net/core/filter.c:1849:42: expected restricted __be32 [usertype] to
net/core/filter.c:1849:42: got unsigned long long [unsigned] [usertype] to
net/core/filter.c:1894:59: sparse: incorrect type in argument 3 (different base types) @@ expected restricted __wsum [usertype] diff @@ got unsigned lonrestricted __wsum [usertype] diff @@
net/core/filter.c:1894:59: expected restricted __wsum [usertype] diff
net/core/filter.c:1894:59: got unsigned long long [unsigned] [usertype] to
net/core/filter.c:1897:52: sparse: incorrect type in argument 3 (different base types) @@ expected restricted __be16 [usertype] from @@ got unsigned lonrestricted __be16 [usertype] from @@
net/core/filter.c:1897:52: expected restricted __be16 [usertype] from
net/core/filter.c:1897:52: got unsigned long long [unsigned] [usertype] from
net/core/filter.c:1897:58: sparse: incorrect type in argument 4 (different base types) @@ expected restricted __be16 [usertype] to @@ got unsigned lonrestricted __be16 [usertype] to @@
net/core/filter.c:1897:58: expected restricted __be16 [usertype] to
net/core/filter.c:1897:58: got unsigned long long [unsigned] [usertype] to
net/core/filter.c:1900:52: sparse: incorrect type in argument 3 (different base types) @@ expected restricted __be32 [usertype] from @@ got unsigned lonrestricted __be32 [usertype] from @@
net/core/filter.c:1900:52: expected restricted __be32 [usertype] from
net/core/filter.c:1900:52: got unsigned long long [unsigned] [usertype] from
net/core/filter.c:1900:58: sparse: incorrect type in argument 4 (different base types) @@ expected restricted __be32 [usertype] to @@ got unsigned lonrestricted __be32 [usertype] to @@
net/core/filter.c:1900:58: expected restricted __be32 [usertype] to
net/core/filter.c:1900:58: got unsigned long long [unsigned] [usertype] to
net/core/filter.c:1946:28: sparse: incorrect type in return expression (different base types) @@ expected unsigned long long @@ got nsigned long long @@
net/core/filter.c:1946:28: expected unsigned long long
net/core/filter.c:1946:28: got restricted __wsum
net/core/filter.c:1968:35: sparse: incorrect type in return expression (different base types) @@ expected unsigned long long @@ got restricted unsigned long long @@
net/core/filter.c:1968:35: expected unsigned long long
net/core/filter.c:1968:35: got restricted __wsum [usertype] csum
>> net/core/filter.c:3174:5: sparse: symbol 'xdp_do_redirect_slow' was not declared. Should it be static?
net/core/filter.c:3914:41: sparse: expression using sizeof(void)
net/core/filter.c:3918:41: sparse: expression using sizeof(void)
net/core/filter.c:3922:46: sparse: expression using sizeof(void)
net/core/filter.c:3922:46: sparse: expression using sizeof(void)
net/core/filter.c:3990:47: sparse: expression using sizeof(void)
net/core/filter.c:4213:17: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [unsigned] [usertype] spi @@ got unsigned int [unsigned] [usertype] spi @@
net/core/filter.c:4213:17: expected unsigned int [unsigned] [usertype] spi
net/core/filter.c:4213:17: got restricted __be32 const [usertype] spi
net/core/filter.c:4221:33: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [unsigned] [usertype] remote_ipv4 @@ got unsigned int [unsigned] [usertype] remote_ipv4 @@
net/core/filter.c:4221:33: expected unsigned int [unsigned] [usertype] remote_ipv4
net/core/filter.c:4221:33: got restricted __be32 const [usertype] a4
net/core/filter.c:5447:27: sparse: subtraction of functions? Share your drugs
net/core/filter.c:5450:27: sparse: subtraction of functions? Share your drugs
net/core/filter.c:5453:27: sparse: subtraction of functions? Share your drugs
include/linux/slab.h:631:13: sparse: call with no type!
Please review and possibly fold the followup patch.
---
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