6:23 p.m.
Hi Prabhat,
FYI, the error/warning still remains.
tree: https://github.com/intel/linux-intel-lts.git 4.19/android_r
head: 71dbe8b787e34f3ce300217fc6ca5a2ec4aef447
commit: b88d999a5b9ae9022e12e1a5810b12b21cb77996 [18600/23451] usb: xhci: dbc: make DbC
modular, introducing dbc_function structure
config: h8300-randconfig-r031-20210622 (attached as .config)
compiler: h8300-linux-gcc (GCC) 9.3.0
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
#
https://github.com/intel/linux-intel-lts/commit/b88d999a5b9ae9022e12e1a58...
git remote add intel-linux-intel-lts https://github.com/intel/linux-intel-lts.git
git fetch --no-tags intel-linux-intel-lts 4.19/android_r
git checkout b88d999a5b9ae9022e12e1a5810b12b21cb77996
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/string.h:6,
from include/linux/dma-mapping.h:6,
from drivers/usb/host/xhci-dbgcap.c:9:
include/linux/scatterlist.h: In function 'sg_set_buf':
include/asm-generic/page.h:93:50: warning: ordered comparison of pointer with null
pointer [-Wextra]
93 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET)
&& \
| ^~
include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
77 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON'
143 | BUG_ON(!virt_addr_valid(buf));
| ^~~~~~
include/linux/scatterlist.h:143:10: note: in expansion of macro
'virt_addr_valid'
143 | BUG_ON(!virt_addr_valid(buf));
| ^~~~~~~~~~~~~~~
include/linux/dma-mapping.h: In function 'dma_map_resource':
include/asm-generic/page.h:91:32: warning: comparison of unsigned expression >= 0 is
always true [-Wtype-limits]
91 | #define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && ((pfn) -
ARCH_PFN_OFFSET) < max_mapnr)
| ^~
include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
77 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
include/linux/dma-mapping.h:329:2: note: in expansion of macro 'BUG_ON'
329 | BUG_ON(pfn_valid(PHYS_PFN(phys_addr)));
| ^~~~~~
include/linux/dma-mapping.h:329:9: note: in expansion of macro 'pfn_valid'
329 | BUG_ON(pfn_valid(PHYS_PFN(phys_addr)));
| ^~~~~~~~~
drivers/usb/host/xhci-dbgcap.c: In function 'xhci_dbc_populate_strings':
drivers/usb/host/xhci-dbgcap.c:50:36: warning: taking address of packed member of
'struct usb_string_descriptor' may result in an unaligned pointer value
[-Waddress-of-packed-member]
50 | UTF16_LITTLE_ENDIAN, (wchar_t *)s_desc->wData,
| ^~~~~~
drivers/usb/host/xhci-dbgcap.c:61:36: warning: taking address of packed member of
'struct usb_string_descriptor' may result in an unaligned pointer value
[-Waddress-of-packed-member]
61 | UTF16_LITTLE_ENDIAN, (wchar_t *)s_desc->wData,
| ^~~~~~
drivers/usb/host/xhci-dbgcap.c:73:36: warning: taking address of packed member of
'struct usb_string_descriptor' may result in an unaligned pointer value
[-Waddress-of-packed-member]
73 | UTF16_LITTLE_ENDIAN, (wchar_t *)s_desc->wData,
| ^~~~~~
drivers/usb/host/xhci-dbgcap.c: At top level:
> drivers/usb/host/xhci-dbgcap.c:191:6: warning: no previous
prototype for 'xhci_dbc_flush_requests' [-Wmissing-prototypes]
191 |
void xhci_dbc_flush_requests(struct xhci_dbc *dbc)
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/usb/host/xhci-dbgcap.c: In function 'xhci_dbc_handle_events':
drivers/usb/host/xhci-dbgcap.c:794:8: warning: variable 'ret' set but not used
[-Wunused-but-set-variable]
794 | int ret;
| ^~~
drivers/usb/host/xhci-dbgcap.c:18: warning: cannot understand function prototype:
'struct dbc_function *dbc_registered_func; '
vim +/xhci_dbc_flush_requests +191 drivers/usb/host/xhci-dbgcap.c
189
190
191 void xhci_dbc_flush_requests(struct xhci_dbc *dbc)
192 {
193 xhci_dbc_flush_endpoint_requests(&dbc->eps[BULK_OUT]);
194 xhci_dbc_flush_endpoint_requests(&dbc->eps[BULK_IN]);
195 }
196 EXPORT_SYMBOL_GPL(xhci_dbc_flush_requests);
197
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org