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Tue, 14 Apr 2026 10:22:58 +0000 (GMT) Message-ID: <939e47eb-c9a7-439e-a29b-9e47cf929ad3@linux.ibm.com> Date: Tue, 14 Apr 2026 15:52:57 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 15/53] selftests/mm: protection_keys: use descriptive test names in TAP output To: Mike Rapoport , Andrew Morton , David Hildenbrand Cc: Baolin Wang , Barry Song , Dev Jain , Jason Gunthorpe , John Hubbard , "Liam R. Howlett" , Lance Yang , Leon Romanovsky , Lorenzo Stoakes , Mark Brown , Michal Hocko , Nico Pache , Peter Xu , Ryan Roberts , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org References: <20260406141735.2179309-1-rppt@kernel.org> <20260406141735.2179309-16-rppt@kernel.org> Content-Language: en-US From: Donet Tom In-Reply-To: <20260406141735.2179309-16-rppt@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-GUID: FyERWf2s-5YIgrN_-T-E8DWjFXb2jsjM X-Proofpoint-ORIG-GUID: R2g7pKoOr5bAFxwrgfPZXC0tZLbJCqOv X-Authority-Analysis: v=2.4 cv=WbE8rUhX c=1 sm=1 tr=0 ts=69de158d cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=HsfyH7dA0B6ikMpfNBUA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE0MDA5NiBTYWx0ZWRfX1J0uiTo4qd0x tm0u5/q1PR4Ct07E/bDQcFeOyBatVubZ0ENGMCYl54PT5BsQYc/jL4Uw0v+zD0NSPD1IBFx5BZ4 scaSM1etaoRHPY8GmjONMGjHo6WkfMSm+YWC6UCtAZHJZPtjEJra1JkPCABri2mhLHe3O5sDDfM hJSB9sp0ysNmbHuGtveF2QPmmaVmkMGUGsf/PmFcYH+rVlMtE7QkZLu3CWZqK3S+XpTA9iEiZkg zP5cSZjTEztLQTxH3GJ8bBfpJHhXous07sGh/DuTQEEnuU8BwJ4/cnMaIULRBDpHHDSsUIh6BtA tUc6jqRV8V7jelMdoAJLGL+TGtTsjbya6UsYyhfoXtsMfCV/eFwaYpDFsvBUYXTQj+Kx+MzQ2E8 a8yuYvuzymP+/aj4dQWFp+ToUTHY1CUETAj1xnqk9yZi6nXqAIv64XrXrNgYZLJbMQbskZvvlj2 Xjc6zZPURUoE2+pTc1Q== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-14_02,2026-04-13_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 priorityscore=1501 spamscore=0 clxscore=1015 phishscore=0 impostorscore=0 adultscore=0 malwarescore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604140096 X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 179DE80008 X-Stat-Signature: zaeexbj5k4tupkq3bsjw7awp686r56zn X-HE-Tag: 1776162193-24062 X-HE-Meta: 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 4XapZSiK BECE2q5bLDxWGV2Rg9GAcjMCeOMBl7M3aISOX9ILbNRS87PXCNsnvSFH26dsEpoirlBmqZgV8+q707Cep1w2GhcgQFxLB5jLmjVTi1+LJv/R4XuzjzgL5Qk4U5GFZoU7yGk+OoyaWtHYGXRudFEcJgpV4hK8RCpzxskAxpphsXxd77P3RxCkKC8zKfZkYdwOIACaIoABnC13HAg+nHBM1cC2AiWu0LTIydrt9ZqNewVj3U3HvtI8Hy35IKlf36sp8I5oYVVLIQo6UTCdRo8uuS+bH1TmJk8cBEGtiQ548CYIseQ+z2zZUxef5yM8m/2wqKCdjbEGAJ5tZgOWieY/FJwwpxASZKriqA+P9B9e3oyRrs7Gc2jTfqNH6r7MyzpC/sLD/Gd7Qr2l9RB6gEjvf91fqLssO1VLWDtpn Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Mike On 4/6/26 7:46 PM, Mike Rapoport wrote: > From: "Mike Rapoport (Microsoft)" > > Replace the numeric test index in TAP output with the actual test > function name. > > Use a structure containing function pointer and its name rather than > only the function pointer in the pkey_tests array. > > Signed-off-by: Mike Rapoport (Microsoft) > --- > tools/testing/selftests/mm/protection_keys.c | 55 +++++++++++--------- > 1 file changed, 31 insertions(+), 24 deletions(-) > > diff --git a/tools/testing/selftests/mm/protection_keys.c b/tools/testing/selftests/mm/protection_keys.c > index 2085982dba69..80c6124e8378 100644 > --- a/tools/testing/selftests/mm/protection_keys.c > +++ b/tools/testing/selftests/mm/protection_keys.c > @@ -1692,29 +1692,36 @@ static void test_mprotect_pkey_on_unsupported_cpu(int *ptr, u16 pkey) > pkey_assert(sret < 0); > } > > -static void (*pkey_tests[])(int *ptr, u16 pkey) = { > - test_read_of_write_disabled_region, > - test_read_of_access_disabled_region, > - test_read_of_access_disabled_region_with_page_already_mapped, > - test_write_of_write_disabled_region, > - test_write_of_write_disabled_region_with_page_already_mapped, > - test_write_of_access_disabled_region, > - test_write_of_access_disabled_region_with_page_already_mapped, > - test_kernel_write_of_access_disabled_region, > - test_kernel_write_of_write_disabled_region, > - test_kernel_gup_of_access_disabled_region, > - test_kernel_gup_write_to_write_disabled_region, > - test_executing_on_unreadable_memory, > - test_implicit_mprotect_exec_only_memory, > - test_mprotect_with_pkey_0, > - test_ptrace_of_child, > - test_pkey_init_state, > - test_pkey_syscalls_on_non_allocated_pkey, > - test_pkey_syscalls_bad_args, > - test_pkey_alloc_exhaust, > - test_pkey_alloc_free_attach_pkey0, > +struct pkey_test { > + void (*func)(int *ptr, u16 pkey); > + const char *name; > +}; > + > +#define PKEY_TEST(fn) { fn, #fn } > + > +static struct pkey_test pkey_tests[] = { > + PKEY_TEST(test_read_of_write_disabled_region), > + PKEY_TEST(test_read_of_access_disabled_region), > + PKEY_TEST(test_read_of_access_disabled_region_with_page_already_mapped), > + PKEY_TEST(test_write_of_write_disabled_region), > + PKEY_TEST(test_write_of_write_disabled_region_with_page_already_mapped), > + PKEY_TEST(test_write_of_access_disabled_region), > + PKEY_TEST(test_write_of_access_disabled_region_with_page_already_mapped), > + PKEY_TEST(test_kernel_write_of_access_disabled_region), > + PKEY_TEST(test_kernel_write_of_write_disabled_region), > + PKEY_TEST(test_kernel_gup_of_access_disabled_region), > + PKEY_TEST(test_kernel_gup_write_to_write_disabled_region), > + PKEY_TEST(test_executing_on_unreadable_memory), > + PKEY_TEST(test_implicit_mprotect_exec_only_memory), > + PKEY_TEST(test_mprotect_with_pkey_0), > + PKEY_TEST(test_ptrace_of_child), > + PKEY_TEST(test_pkey_init_state), > + PKEY_TEST(test_pkey_syscalls_on_non_allocated_pkey), > + PKEY_TEST(test_pkey_syscalls_bad_args), > + PKEY_TEST(test_pkey_alloc_exhaust), > + PKEY_TEST(test_pkey_alloc_free_attach_pkey0), > #if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) > - test_ptrace_modifies_pkru, > + PKEY_TEST(test_ptrace_modifies_pkru), > #endif > }; > > @@ -1735,7 +1742,7 @@ static void run_tests_once(void) > dprintf1("test %d starting with pkey: %d\n", test_nr, pkey); > ptr = malloc_pkey(PAGE_SIZE, prot, pkey); > dprintf1("test %d starting...\n", test_nr); > - pkey_tests[test_nr](ptr, pkey); > + pkey_tests[test_nr].func(ptr, pkey); > dprintf1("freeing test memory: %p\n", ptr); > free_pkey_malloc(ptr); > sys_pkey_free(pkey); > @@ -1746,7 +1753,7 @@ static void run_tests_once(void) > tracing_off(); > close_test_fds(); > > - printf("test %2d PASSED (iteration %d)\n", test_nr, iteration_nr); > + printf("test %s PASSED (iteration %d)\n", pkey_tests[test_nr].name, iteration_nr); > dprintf1("======================\n\n"); > } > iteration_nr++; LGTM Reviewed by: Donet Tom -Donet