From: kernel test robot <lkp@intel.com>
To: Xuan Zhuo <xuanzhuo@linux.alibaba.com>, netdev@vger.kernel.org
Cc: kbuild-all@lists.01.org, "Michael S. Tsirkin" <mst@redhat.com>,
"Jason Wang" <jasowang@redhat.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Björn Töpel" <bjorn@kernel.org>,
"Magnus Karlsson" <magnus.karlsson@intel.com>,
"Jonathan Lemon" <jonathan.lemon@gmail.com>,
"Alexei Starovoitov" <ast@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Jesper Dangaard Brouer" <hawk@kernel.org>
Subject: Re: [PATCH net-next v3 8/8] virtio-net: free old xmit handle xsk
Date: Wed, 31 Mar 2021 18:09:25 +0800 [thread overview]
Message-ID: <202103311802.aSxJqkrb-lkp@intel.com> (raw)
In-Reply-To: <20210331071139.15473-9-xuanzhuo@linux.alibaba.com>
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Hi Xuan,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Xuan-Zhuo/virtio-net-support-xdp-socket-zero-copy-xmit/20210331-151437
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 28110056f2d07a576ca045a38f80de051b13582a
config: i386-randconfig-r023-20210330 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/2f0c0d42a79523eef5e0ab4407ff99d94607603e
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Xuan-Zhuo/virtio-net-support-xdp-socket-zero-copy-xmit/20210331-151437
git checkout 2f0c0d42a79523eef5e0ab4407ff99d94607603e
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/net/virtio_net.c: In function 'xsk_to_ptr':
>> drivers/net/virtio_net.c:297:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
297 | return (void *)(p | VIRTIO_XSK_FLAG);
| ^
drivers/net/virtio_net.c: In function 'ptr_to_xsk':
>> drivers/net/virtio_net.c:302:15: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
302 | desc->len = ((u64)ptr) >> VIRTIO_XSK_PTR_SHIFT;
| ^
vim +297 drivers/net/virtio_net.c
291
292 static void *xsk_to_ptr(struct xdp_desc *desc)
293 {
294 /* save the desc len to ptr */
295 u64 p = desc->len << VIRTIO_XSK_PTR_SHIFT;
296
> 297 return (void *)(p | VIRTIO_XSK_FLAG);
298 }
299
300 static void ptr_to_xsk(void *ptr, struct xdp_desc *desc)
301 {
> 302 desc->len = ((u64)ptr) >> VIRTIO_XSK_PTR_SHIFT;
303 }
304
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next prev parent reply other threads:[~2021-03-31 10:11 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-31 7:11 [PATCH net-next v3 0/8] virtio-net support xdp socket zero copy xmit Xuan Zhuo
2021-03-31 7:11 ` [PATCH net-next v3 1/8] xsk: XDP_SETUP_XSK_POOL support option check_dma Xuan Zhuo
2021-03-31 7:11 ` [PATCH net-next v3 2/8] xsk: support get page by addr Xuan Zhuo
2021-03-31 7:11 ` [PATCH net-next v3 3/8] virtio-net: xsk zero copy xmit setup Xuan Zhuo
2021-04-06 4:27 ` Jason Wang
2021-04-07 10:02 ` Magnus Karlsson
2021-03-31 7:11 ` [PATCH net-next v3 4/8] virtio-net: xsk zero copy xmit implement wakeup and xmit Xuan Zhuo
2021-04-06 6:19 ` Jason Wang
2021-04-07 9:56 ` Magnus Karlsson
2021-03-31 7:11 ` [PATCH net-next v3 5/8] virtio-net: xsk zero copy xmit support xsk unaligned mode Xuan Zhuo
2021-04-06 6:55 ` Jason Wang
2021-03-31 7:11 ` [PATCH net-next v3 6/8] virtio-net: xsk zero copy xmit kick by threshold Xuan Zhuo
2021-04-06 6:59 ` Jason Wang
2021-03-31 7:11 ` [PATCH net-next v3 7/8] virtio-net: poll tx call xsk zerocopy xmit Xuan Zhuo
2021-04-06 7:03 ` Jason Wang
2021-03-31 7:11 ` [PATCH net-next v3 8/8] virtio-net: free old xmit handle xsk Xuan Zhuo
2021-03-31 10:09 ` kernel test robot [this message]
2021-04-06 7:16 ` Jason Wang
[not found] <1617787566.555242-6-xuanzhuo@linux.alibaba.com>
2021-04-07 9:30 ` Jason Wang
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