5:30 p.m.
Hi,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master v5.11-rc6 next-20210125]
[cannot apply to remoteproc/for-next rpmsg/for-next]
[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/peng-fan-oss-nxp-com/remoteproc-...
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: x86_64-randconfig-s032-20210209 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-215-g0fb77bb6-dirty
#
https://github.com/0day-ci/linux/commit/d6d510f24530c76a045a1a3fbc56ac411...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
peng-fan-oss-nxp-com/remoteproc-imx_rproc-support-iMX8MQ-M/20210209-081535
git checkout d6d510f24530c76a045a1a3fbc56ac411fd53809
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
"sparse warnings: (new ones prefixed by >>)"
> drivers/remoteproc/remoteproc_coredump.c:169:53: sparse: sparse:
incorrect type in argument 2 (different address spaces) @@ expected void const
volatile [noderef] __iomem * @@ got void *[assigned] ptr @@
drivers/remoteproc/remoteproc_coredump.c:169:53: sparse: expected void const volatile
[noderef] __iomem *
drivers/remoteproc/remoteproc_coredump.c:169:53: sparse: got void *[assigned] ptr
vim +169 drivers/remoteproc/remoteproc_coredump.c
150
151 static void rproc_copy_segment(struct rproc *rproc, void *dest,
152 struct rproc_dump_segment *segment,
153 size_t offset, size_t size)
154 {
155 void *ptr;
156 bool is_iomem;
157
158 if (segment->dump) {
159 segment->dump(rproc, segment, dest, offset, size);
160 } else {
161 ptr = rproc_da_to_va(rproc, segment->da + offset, size, &is_iomem);
162 if (!ptr) {
163 dev_err(&rproc->dev,
164 "invalid copy request for segment %pad with offset %zu and size
%zu)\n",
165 &segment->da, offset, size);
166 memset(dest, 0xff, size);
167 } else {
168 if (is_iomem)
169 memcpy_fromio(dest, ptr, size);
170 else
171 memcpy(dest, ptr, size);
172 }
173 }
174 }
175
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org