1:31 a.m.
Hi "Michael,
I love your patch! Yet something to improve:
[auto build test ERROR on vhost/linux-next]
[also build test ERROR on linus/master v5.7-rc1]
[cannot apply to linux/master next-20200413]
[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/Michael-S-Tsirkin/vhost-drop-vri...
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: sparc-randconfig-a001-20200413 (attached as .config)
compiler: sparc-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=9.3.0 make.cross ARCH=sparc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
arch/sparc/kernel/head_32.o: in function `current_pc':
arch/sparc/kernel/head_32.S:121:(.head.text+0x2040): relocation truncated to fit:
R_SPARC_WDISP22 against `.init.text'
arch/sparc/kernel/head_32.o: in function `halt_notsup':
arch/sparc/kernel/head_32.S:198:(.head.text+0x2100): relocation truncated to fit:
R_SPARC_WDISP22 against `.init.text'
arch/sparc/kernel/process_32.o:(.fixup+0x4): relocation truncated to fit:
R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/process_32.o:(.fixup+0xc): relocation truncated to fit:
R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x0): relocation truncated to fit:
R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x8): relocation truncated to fit:
R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x10): relocation truncated to fit:
R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x18): relocation truncated to fit:
R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x20): relocation truncated to fit:
R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x28): relocation truncated to fit:
R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x30): additional relocation overflows omitted
from the output
sparc-linux-ld: drivers/vhost/vringh.o: in function `iotlb_translate':
> drivers/vhost/vringh.c:1079: undefined reference to
`vhost_iotlb_itree_first'
vim +1079 drivers/vhost/vringh.c
f558a845c3a043 Dave Jones 2013-05-03 1061
9ad9c49cfe970b Jason Wang 2020-03-26 1062 static int iotlb_translate(const struct vringh
*vrh,
9ad9c49cfe970b Jason Wang 2020-03-26 1063 u64 addr, u64 len, struct bio_vec
iov[],
9ad9c49cfe970b Jason Wang 2020-03-26 1064 int iov_size, u32 perm)
9ad9c49cfe970b Jason Wang 2020-03-26 1065 {
9ad9c49cfe970b Jason Wang 2020-03-26 1066 struct vhost_iotlb_map *map;
9ad9c49cfe970b Jason Wang 2020-03-26 1067 struct vhost_iotlb *iotlb = vrh->iotlb;
9ad9c49cfe970b Jason Wang 2020-03-26 1068 int ret = 0;
9ad9c49cfe970b Jason Wang 2020-03-26 1069 u64 s = 0;
9ad9c49cfe970b Jason Wang 2020-03-26 1070
9ad9c49cfe970b Jason Wang 2020-03-26 1071 while (len > s) {
9ad9c49cfe970b Jason Wang 2020-03-26 1072 u64 size, pa, pfn;
9ad9c49cfe970b Jason Wang 2020-03-26 1073
9ad9c49cfe970b Jason Wang 2020-03-26 1074 if (unlikely(ret >= iov_size)) {
9ad9c49cfe970b Jason Wang 2020-03-26 1075 ret = -ENOBUFS;
9ad9c49cfe970b Jason Wang 2020-03-26 1076 break;
9ad9c49cfe970b Jason Wang 2020-03-26 1077 }
9ad9c49cfe970b Jason Wang 2020-03-26 1078
9ad9c49cfe970b Jason Wang 2020-03-26 @1079 map = vhost_iotlb_itree_first(iotlb, addr,
9ad9c49cfe970b Jason Wang 2020-03-26 1080 addr + len - 1);
9ad9c49cfe970b Jason Wang 2020-03-26 1081 if (!map || map->start > addr) {
9ad9c49cfe970b Jason Wang 2020-03-26 1082 ret = -EINVAL;
9ad9c49cfe970b Jason Wang 2020-03-26 1083 break;
9ad9c49cfe970b Jason Wang 2020-03-26 1084 } else if (!(map->perm & perm)) {
9ad9c49cfe970b Jason Wang 2020-03-26 1085 ret = -EPERM;
9ad9c49cfe970b Jason Wang 2020-03-26 1086 break;
9ad9c49cfe970b Jason Wang 2020-03-26 1087 }
9ad9c49cfe970b Jason Wang 2020-03-26 1088
9ad9c49cfe970b Jason Wang 2020-03-26 1089 size = map->size - addr + map->start;
9ad9c49cfe970b Jason Wang 2020-03-26 1090 pa = map->addr + addr - map->start;
9ad9c49cfe970b Jason Wang 2020-03-26 1091 pfn = pa >> PAGE_SHIFT;
9ad9c49cfe970b Jason Wang 2020-03-26 1092 iov[ret].bv_page = pfn_to_page(pfn);
9ad9c49cfe970b Jason Wang 2020-03-26 1093 iov[ret].bv_len = min(len - s, size);
9ad9c49cfe970b Jason Wang 2020-03-26 1094 iov[ret].bv_offset = pa & (PAGE_SIZE -
1);
9ad9c49cfe970b Jason Wang 2020-03-26 1095 s += size;
9ad9c49cfe970b Jason Wang 2020-03-26 1096 addr += size;
9ad9c49cfe970b Jason Wang 2020-03-26 1097 ++ret;
9ad9c49cfe970b Jason Wang 2020-03-26 1098 }
9ad9c49cfe970b Jason Wang 2020-03-26 1099
9ad9c49cfe970b Jason Wang 2020-03-26 1100 return ret;
9ad9c49cfe970b Jason Wang 2020-03-26 1101 }
9ad9c49cfe970b Jason Wang 2020-03-26 1102
:::::: The code at line 1079 was first introduced by commit
:::::: 9ad9c49cfe970b053bb0ef323b682dd1b4d4f8a0 vringh: IOTLB support
:::::: TO: Jason Wang <jasowang(a)redhat.com>
:::::: CC: Michael S. Tsirkin <mst(a)redhat.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org