From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [RFC PATCH 24/24] vdpasim: control virtqueue support
Date: Fri, 25 Sep 2020 09:04:15 +0800 [thread overview]
Message-ID: <202009250826.y42DS2Ue%lkp@intel.com> (raw)
In-Reply-To: <20200924032125.18619-25-jasowang@redhat.com>
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Hi Jason,
[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on vhost/linux-next]
[also build test WARNING on linus/master v5.9-rc6 next-20200924]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Jason-Wang/Control-VQ-support-in-vDPA/20200924-112811
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: s390-randconfig-r034-20200923 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project d6ac649ccda289ecc2d2c0cb51892d57e8ec328c)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install s390 cross compiling tool for clang build
# apt-get install binutils-s390x-linux-gnu
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390
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 >>):
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
___constant_swab32(x) : \
^
include/uapi/linux/swab.h:19:12: note: expanded from macro '___constant_swab32'
(((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
^
In file included from drivers/vdpa/vdpa_sim/vdpa_sim.c:20:
In file included from include/linux/iommu.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:72:
include/asm-generic/io.h:490:45: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu(__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
___constant_swab32(x) : \
^
include/uapi/linux/swab.h:20:12: note: expanded from macro '___constant_swab32'
(((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \
^
In file included from drivers/vdpa/vdpa_sim/vdpa_sim.c:20:
In file included from include/linux/iommu.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:72:
include/asm-generic/io.h:490:45: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu(__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
___constant_swab32(x) : \
^
include/uapi/linux/swab.h:21:12: note: expanded from macro '___constant_swab32'
(((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \
^
In file included from drivers/vdpa/vdpa_sim/vdpa_sim.c:20:
In file included from include/linux/iommu.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:72:
include/asm-generic/io.h:490:45: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu(__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
___constant_swab32(x) : \
^
include/uapi/linux/swab.h:22:12: note: expanded from macro '___constant_swab32'
(((__u32)(x) & (__u32)0xff000000UL) >> 24)))
^
In file included from drivers/vdpa/vdpa_sim/vdpa_sim.c:20:
In file included from include/linux/iommu.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:72:
include/asm-generic/io.h:490:45: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu(__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:120:12: note: expanded from macro '__swab32'
__fswab32(x))
^
In file included from drivers/vdpa/vdpa_sim/vdpa_sim.c:20:
In file included from include/linux/iommu.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:72:
include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:511:46: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew(cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:521:46: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel(cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:609:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:617:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:625:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:634:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:643:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:652:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
>> drivers/vdpa/vdpa_sim/vdpa_sim.c:200:21: warning: no previous prototype for function 'vdpasim_handle_ctrl_mac' [-Wmissing-prototypes]
virtio_net_ctrl_ack vdpasim_handle_ctrl_mac(struct vdpasim *vdpasim,
^
drivers/vdpa/vdpa_sim/vdpa_sim.c:200:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
virtio_net_ctrl_ack vdpasim_handle_ctrl_mac(struct vdpasim *vdpasim,
^
static
>> drivers/vdpa/vdpa_sim/vdpa_sim.c:706:5: warning: no previous prototype for function 'vdpasim_set_group_asid' [-Wmissing-prototypes]
int vdpasim_set_group_asid(struct vdpa_device *vdpa, unsigned int group,
^
drivers/vdpa/vdpa_sim/vdpa_sim.c:706:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int vdpasim_set_group_asid(struct vdpa_device *vdpa, unsigned int group,
^
static
drivers/vdpa/vdpa_sim/vdpa_sim.c:97:19: warning: unused function 'vdpasim16_to_cpu' [-Wunused-function]
static inline u16 vdpasim16_to_cpu(struct vdpasim *vdpasim, __virtio16 val)
^
23 warnings generated.
# https://github.com/0day-ci/linux/commit/1a9edfc5f2afc700bcfa7e54700b27115beb99d0
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Jason-Wang/Control-VQ-support-in-vDPA/20200924-112811
git checkout 1a9edfc5f2afc700bcfa7e54700b27115beb99d0
vim +/vdpasim_handle_ctrl_mac +200 drivers/vdpa/vdpa_sim/vdpa_sim.c
199
> 200 virtio_net_ctrl_ack vdpasim_handle_ctrl_mac(struct vdpasim *vdpasim,
201 u8 cmd)
202 {
203 struct vdpasim_virtqueue *cvq = &vdpasim->vqs[2];
204 virtio_net_ctrl_ack status = VIRTIO_NET_ERR;
205 size_t read;
206
207 switch (cmd) {
208 case VIRTIO_NET_CTRL_MAC_ADDR_SET:
209 read = vringh_iov_pull_iotlb(&cvq->vring, &cvq->riov,
210 (void *)vdpasim->config.mac,
211 ETH_ALEN);
212 if (read == ETH_ALEN)
213 status = VIRTIO_NET_OK;
214 break;
215 default:
216 break;
217 }
218
219 return status;
220 }
221
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next prev parent reply other threads:[~2020-09-25 1:04 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-24 3:21 [RFC PATCH 00/24] Control VQ support in vDPA Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 01/24] vhost-vdpa: fix backend feature ioctls Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 7:16 ` Eli Cohen
2020-09-24 7:26 ` Jason Wang
2020-09-24 7:26 ` Jason Wang
2020-09-24 7:38 ` Eli Cohen
2020-09-24 7:50 ` Michael S. Tsirkin
2020-09-24 7:50 ` Michael S. Tsirkin
2020-09-24 8:28 ` Jason Wang
2020-09-24 8:28 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 02/24] vhost-vdpa: fix vqs leak in vhost_vdpa_open() Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 7:48 ` Eli Cohen
2020-09-25 11:41 ` Jason Wang
2020-09-25 11:41 ` Jason Wang
2020-09-24 9:31 ` Michael S. Tsirkin
2020-09-24 9:31 ` Michael S. Tsirkin
2020-09-25 11:27 ` Jason Wang
2020-09-25 11:27 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 03/24] vhost: move the backend feature bits to vhost_types.h Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 04/24] virtio-vdpa: don't set callback if virtio doesn't need it Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 05/24] vhost-vdpa: passing iotlb to IOMMU mapping helpers Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-30 11:26 ` Eli Cohen
2020-10-09 2:01 ` Jason Wang
2020-10-09 2:01 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 06/24] vhost-vdpa: switch to use vhost-vdpa specific IOTLB Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-30 12:02 ` Eli Cohen
2020-10-09 3:46 ` Jason Wang
2020-10-09 3:46 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 07/24] vdpa: add the missing comment for nvqs in struct vdpa_device Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 08/24] vdpa: introduce virtqueue groups Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-28 15:44 ` Eugenio Perez Martin
2020-10-09 3:49 ` Jason Wang
2020-10-09 3:49 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 09/24] vdpa: multiple address spaces support Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-10-01 13:21 ` Eli Cohen
2020-10-09 3:51 ` Jason Wang
2020-10-09 3:51 ` Jason Wang
2020-10-01 13:23 ` Eli Cohen
2020-10-09 3:52 ` Jason Wang
2020-10-09 3:52 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 10/24] vdpa: introduce config operations for associating ASID to a virtqueue group Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-10-01 13:29 ` Eli Cohen
2020-10-09 3:56 ` Jason Wang
2020-10-09 3:56 ` Jason Wang
2020-10-12 6:59 ` Eli Cohen
2020-10-12 7:45 ` Jason Wang
2020-10-12 7:45 ` Jason Wang
2020-10-12 8:17 ` Eli Cohen
2020-10-13 5:40 ` Jason Wang
2020-10-13 5:40 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 11/24] vhost_iotlb: split out IOTLB initialization Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 12/24] vhost: support ASID in IOTLB API Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 13/24] vhost-vdpa: introduce ASID based IOTLB Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-29 14:40 ` Eugenio Perez Martin
2020-09-24 3:21 ` [RFC PATCH 14/24] vhost-vdpa: introduce uAPI to get the number of virtqueue groups Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 15/24] vhost-vdpa: introduce uAPI to get the number of address spaces Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 16/24] vhost-vdpa: uAPI to get virtqueue group id Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 17/24] vhost-vdpa: introduce uAPI to set group ASID Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 18/24] vhost-vdpa: support ASID based IOTLB API Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-28 15:44 ` Eugenio Perez Martin
2020-10-09 3:59 ` Jason Wang
2020-10-09 3:59 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 19/24] vdpa_sim: use separated iov for reading and writing Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 20/24] vdpa_sim: advertise VIRTIO_NET_F_MTU Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 21/24] vdpa_sim: advertise VIRTIO_NET_F_MAC Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 22/24] vdpa_sim: factor out buffer completion logic Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 23/24] vdpa_sim: filter destination mac address Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 3:21 ` [RFC PATCH 24/24] vdpasim: control virtqueue support Jason Wang
2020-09-24 3:21 ` Jason Wang
2020-09-24 5:56 ` kernel test robot
2020-09-25 1:04 ` kernel test robot [this message]
2020-09-24 10:17 ` [RFC PATCH 00/24] Control VQ support in vDPA Stefan Hajnoczi
2020-09-24 10:17 ` Stefan Hajnoczi
2020-09-25 11:36 ` Jason Wang
2020-09-25 11:36 ` Jason Wang
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