Messages in this thread | | | Subject | Re: [PATCH bpf-next v3 6/6] selftests/bpf: Remove the casting about jited_ksyms and jited_linfo | From | Pu Lehui <> | Date | Thu, 7 Jul 2022 19:55:25 +0800 |
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On 2022/6/4 5:05, Andrii Nakryiko wrote: > On Mon, May 30, 2022 at 1:58 AM Pu Lehui <pulehui@huawei.com> wrote: >> >> We have unified data extension operation of jited_ksyms and jited_linfo >> into zero extension, so there's no need to cast u64 memory address to >> long data type. >> >> Signed-off-by: Pu Lehui <pulehui@huawei.com> >> --- >> tools/testing/selftests/bpf/prog_tests/btf.c | 14 +++++++------- >> 1 file changed, 7 insertions(+), 7 deletions(-) >> >> diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c >> index e6612f2bd0cf..65bdc4aa0a63 100644 >> --- a/tools/testing/selftests/bpf/prog_tests/btf.c >> +++ b/tools/testing/selftests/bpf/prog_tests/btf.c >> @@ -6599,8 +6599,8 @@ static int test_get_linfo(const struct prog_info_raw_test *test, >> } >> >> if (CHECK(jited_linfo[0] != jited_ksyms[0], >> - "jited_linfo[0]:%lx != jited_ksyms[0]:%lx", >> - (long)(jited_linfo[0]), (long)(jited_ksyms[0]))) { >> + "jited_linfo[0]:%llx != jited_ksyms[0]:%llx", >> + jited_linfo[0], jited_ksyms[0])) { > > __u64 is not always printed with %lld, on some platforms it is > actually %ld, so to avoid compiler warnings we just cast them to long > long or unsigned long long (and then %lld or %llu is fine). So please > update this part here and below. >
I found that __u64 in ppc64 actually is defined to be unsigned long. I will update it. Thanks.
>> err = -1; >> goto done; >> } >> @@ -6618,16 +6618,16 @@ static int test_get_linfo(const struct prog_info_raw_test *test, >> } >> >> if (CHECK(jited_linfo[i] <= jited_linfo[i - 1], >> - "jited_linfo[%u]:%lx <= jited_linfo[%u]:%lx", >> - i, (long)jited_linfo[i], >> - i - 1, (long)(jited_linfo[i - 1]))) { >> + "jited_linfo[%u]:%llx <= jited_linfo[%u]:%llx", >> + i, jited_linfo[i], >> + i - 1, jited_linfo[i - 1])) { >> err = -1; >> goto done; >> } >> >> if (CHECK(jited_linfo[i] - cur_func_ksyms > cur_func_len, >> - "jited_linfo[%u]:%lx - %lx > %u", >> - i, (long)jited_linfo[i], (long)cur_func_ksyms, >> + "jited_linfo[%u]:%llx - %llx > %u", >> + i, jited_linfo[i], cur_func_ksyms, >> cur_func_len)) { >> err = -1; >> goto done; >> -- >> 2.25.1 >> > . >
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