> On Jul 28, 2023, at 10:33 AM, Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> wrote: > > On 7/27/23 19:38, Anjali Kulkarni wrote: >>> On Jul 27, 2023, at 5:43 PM, Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> wrote: >>> >>> On 7/27/23 11:34, Anjali Kulkarni wrote: >>>>> On Jul 25, 2023, at 9:48 AM, Anjali Kulkarni <Anjali.K.Kulkarni@xxxxxxxxxx> wrote: >>>>> >>>>> >>>>> >>>>>> On Jul 25, 2023, at 6:05 AM, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote: >>>>>> >>>>>> selftests: connector: proc_filter build failed with clang-16 due to below >>>>>> warnings / errors on Linux next-20230725. >>>>>> >>>>>> Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> >>>>>> >>>>>> clang --target=aarch64-linux-gnu -fintegrated-as >>>>>> -Werror=unknown-warning-option -Werror=ignored-optimization-argument >>>>>> -Werror=option-ignored -Werror=unused-command-line-argument >>>>>> --target=aarch64-linux-gnu -fintegrated-as -Wall proc_filter.c -o >>>>>> /home/tuxbuild/.cache/tuxmake/builds/1/build/kselftest/connector/proc_filter >>>>>> proc_filter.c:42:12: error: invalid application of 'sizeof' to an >>>>>> incomplete type 'struct proc_input' >>>>>> char buff[NL_MESSAGE_SIZE]; >>>>>> ^~~~~~~~~~~~~~~ >>>>>> proc_filter.c:22:5: note: expanded from macro 'NL_MESSAGE_SIZE' >>>>>> sizeof(struct proc_input)) >>>>>> ^ ~~~~~~~~~~~~~~~~~~~ >>>>>> proc_filter.c:42:12: note: forward declaration of 'struct proc_input' >>>>>> proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' >>>>>> sizeof(struct proc_input)) >>>>>> ^ >>>>>> proc_filter.c:48:20: error: invalid application of 'sizeof' to an >>>>>> incomplete type 'struct proc_input' >>>>>> hdr->nlmsg_len = NL_MESSAGE_SIZE; >>>>>> ^~~~~~~~~~~~~~~ >>>>>> proc_filter.c:22:5: note: expanded from macro 'NL_MESSAGE_SIZE' >>>>>> sizeof(struct proc_input)) >>>>>> ^ ~~~~~~~~~~~~~~~~~~~ >>>>>> proc_filter.c:42:12: note: forward declaration of 'struct proc_input' >>>>>> char buff[NL_MESSAGE_SIZE]; >>>>>> ^ >>>>>> proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' >>>>>> sizeof(struct proc_input)) >>>>>> ^ >>>>>> proc_filter.c:64:14: error: invalid application of 'sizeof' to an >>>>>> incomplete type 'struct proc_input' >>>>>> msg->len = sizeof(struct proc_input); >>>>>> ^ ~~~~~~~~~~~~~~~~~~~ >>>>>> proc_filter.c:42:12: note: forward declaration of 'struct proc_input' >>>>>> char buff[NL_MESSAGE_SIZE]; >>>>>> ^ >>>>>> proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' >>>>>> sizeof(struct proc_input)) >>>>>> ^ >>>>>> proc_filter.c:65:35: error: incomplete definition of type 'struct proc_input' >>>>>> ((struct proc_input *)msg->data)->mcast_op = >>>>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ >>>>>> proc_filter.c:42:12: note: forward declaration of 'struct proc_input' >>>>>> char buff[NL_MESSAGE_SIZE]; >>>>>> ^ >>>>>> proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' >>>>>> sizeof(struct proc_input)) >>>>>> ^ >>>>>> proc_filter.c:66:31: error: incomplete definition of type 'struct proc_input' >>>>>> ((struct proc_input *)pinp)->mcast_op; >>>>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~^ >>>>>> proc_filter.c:42:12: note: forward declaration of 'struct proc_input' >>>>>> char buff[NL_MESSAGE_SIZE]; >>>>>> ^ >>>>>> proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' >>>>>> sizeof(struct proc_input)) >>>>>> ^ >>>>>> proc_filter.c:67:35: error: incomplete definition of type 'struct proc_input' >>>>>> ((struct proc_input *)msg->data)->event_type = >>>>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ >>>>>> proc_filter.c:42:12: note: forward declaration of 'struct proc_input' >>>>>> char buff[NL_MESSAGE_SIZE]; >>>>>> ^ >>>>>> proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' >>>>>> sizeof(struct proc_input)) >>>>>> ^ >>>>>> proc_filter.c:68:31: error: incomplete definition of type 'struct proc_input' >>>>>> ((struct proc_input *)pinp)->event_type; >>>>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~^ >>>>>> proc_filter.c:42:12: note: forward declaration of 'struct proc_input' >>>>>> char buff[NL_MESSAGE_SIZE]; >>>>>> ^ >>>>>> proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' >>>>>> sizeof(struct proc_input)) >>>>>> ^ >>>>>> proc_filter.c:245:20: error: variable has incomplete type 'struct proc_input' >>>>>> struct proc_input input; >>>>>> ^ >>>>>> proc_filter.c:245:9: note: forward declaration of 'struct proc_input' >>>>>> struct proc_input input; >>>>>> ^ >>>>>> proc_filter.c:264:22: error: use of undeclared identifier >>>>>> 'PROC_EVENT_NONZERO_EXIT' >>>>>> input.event_type = PROC_EVENT_NONZERO_EXIT; >>>>>> ^ >>>>>> 9 errors generated. >>>>>> make[4]: Leaving directory '/builds/linux/tools/testing/selftests/connector’ >>>>>> >>>>>> >>>>> These are expected since you need to have the changes in kernel that were committed with this patch to be installed on the kernel on which this is being compiled/run on. That is what the test is for, and the check to make it run on previous kernels as well was made a runtime check. Do you expect this to compile on a kernel without the corresponding kernel changes that were committed with this patch? >>>>> >>>>> Anjali >>>> Gentle ping - could you answer above questions? >>>>> >>> >>> I am seeing the same on linux-next next-20230727 >>> >>> PROC_EVENT_NONZERO_EXIT is defined and NL_MESSAGE_SIZE >>> >>> Anjali, >>> >>> What are the dependent commits and should they be in next? >>> Shouldn't this test patch go with the kernel patches it depends >>> on? Can you do some testing on next and let me know why this >>> test is failing to build? >> All the commits went in together - however, the kernel changes that went in this patch need to be *installed on kernel on which this is being built*. Did you do that and then try? > > Building kernel and running "make headers" before building the test > is what is needed. That is what Naresh and I did. > > How are you building this test? > > I sent a 3 patch series with the fix to this problem and a couple of > others I found during testing. > > Also please check the error messages - some of them are cryptic and > could use clarity. > > Another thing is argument check - arg == 2 - does this test require > arguments? Note that without arguments the test runs - of that is > default it is fine. This test could use an usage information. Please > fix the above. Yes, the test can run without any arguments. I will add usage information. Anjali > > thanks, > -- Shuah