{"id":2223196,"url":"http://patchwork.ozlabs.org/api/patches/2223196/?format=json","web_url":"http://patchwork.ozlabs.org/project/ltp/patch/20260414165117.843270-1-sbertram@redhat.com/","project":{"id":59,"url":"http://patchwork.ozlabs.org/api/projects/59/?format=json","name":"Linux Test Project development","link_name":"ltp","list_id":"ltp.lists.linux.it","list_email":"ltp@lists.linux.it","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260414165117.843270-1-sbertram@redhat.com>","list_archive_url":null,"date":"2026-04-14T16:51:14","name":"[v1] semctl: use IPC_PRIVATE to minimize interference.","commit_ref":null,"pull_url":null,"state":"needs-review-ack","archived":false,"hash":"922d19a81d78cabecfb94012f90c9736c417c9b8","submitter":{"id":92040,"url":"http://patchwork.ozlabs.org/api/people/92040/?format=json","name":"Stephen Bertram","email":"sbertram@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/ltp/patch/20260414165117.843270-1-sbertram@redhat.com/mbox/","series":[{"id":499875,"url":"http://patchwork.ozlabs.org/api/series/499875/?format=json","web_url":"http://patchwork.ozlabs.org/project/ltp/list/?series=499875","date":"2026-04-14T16:51:14","name":"[v1] semctl: use IPC_PRIVATE to minimize interference.","version":1,"mbox":"http://patchwork.ozlabs.org/series/499875/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2223196/comments/","check":"warning","checks":"http://patchwork.ozlabs.org/api/patches/2223196/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","ltp@lists.linux.it"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","ltp@picard.linux.it"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=lists.linux.it header.i=@lists.linux.it\n header.a=rsa-sha256 header.s=picard header.b=TeMettgD;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=NeG4jIY+;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.linux.it\n (client-ip=2001:1418:10:5::2; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it","Sender":"\"ltp\" "},"content":"This update solves previous issues when tests were\nrun in parallel with multiple workers in tmt.\n\nSigned-off-by: Stephen Bertram \n---\n testcases/kernel/syscalls/ipc/semctl/semctl03.c | 5 +----\n testcases/kernel/syscalls/ipc/semctl/semctl05.c | 6 +-----\n testcases/kernel/syscalls/ipc/semctl/semctl07.c | 3 +--\n 3 files changed, 3 insertions(+), 11 deletions(-)","diff":"diff --git a/testcases/kernel/syscalls/ipc/semctl/semctl03.c b/testcases/kernel/syscalls/ipc/semctl/semctl03.c\nindex 5a11b95ef..dc11d0823 100644\n--- a/testcases/kernel/syscalls/ipc/semctl/semctl03.c\n+++ b/testcases/kernel/syscalls/ipc/semctl/semctl03.c\n@@ -84,14 +84,11 @@ static void verify_semctl(unsigned int n)\n \n static void setup(void)\n {\n-\tstatic key_t semkey;\n \tstruct test_variants *tv = &variants[tst_variant];\n \n \ttst_res(TINFO, \"Testing variant: %s\", tv->desc);\n \n-\tsemkey = GETIPCKEY();\n-\n-\tsem_id = SAFE_SEMGET(semkey, PSEMS, IPC_CREAT | IPC_EXCL | SEM_RA);\n+\tsem_id = SAFE_SEMGET(IPC_PRIVATE, PSEMS, IPC_CREAT | IPC_EXCL | SEM_RA);\n \n \tbad_ptr = tst_get_bad_addr(NULL);\n }\ndiff --git a/testcases/kernel/syscalls/ipc/semctl/semctl05.c b/testcases/kernel/syscalls/ipc/semctl/semctl05.c\nindex 985c1f039..f1ab69f59 100644\n--- a/testcases/kernel/syscalls/ipc/semctl/semctl05.c\n+++ b/testcases/kernel/syscalls/ipc/semctl/semctl05.c\n@@ -45,11 +45,7 @@ static void verify_semctl(unsigned int n)\n \n static void setup(void)\n {\n-\tstatic key_t semkey;\n-\n-\tsemkey = GETIPCKEY();\n-\n-\tsem_id = SAFE_SEMGET(semkey, PSEMS, IPC_CREAT | IPC_EXCL | SEM_RA);\n+\tsem_id = SAFE_SEMGET(IPC_PRIVATE, PSEMS, IPC_CREAT | IPC_EXCL | SEM_RA);\n }\n \n static void cleanup(void)\ndiff --git a/testcases/kernel/syscalls/ipc/semctl/semctl07.c b/testcases/kernel/syscalls/ipc/semctl/semctl07.c\nindex 1b03f0ab2..a0b5f4928 100644\n--- a/testcases/kernel/syscalls/ipc/semctl/semctl07.c\n+++ b/testcases/kernel/syscalls/ipc/semctl/semctl07.c\n@@ -130,10 +130,9 @@ static void verify_semctl(void)\n \n static void setup(void)\n {\n-\tkey_t key = GETIPCKEY();\n \tnsems = 1;\n \n-\tsemid = SAFE_SEMGET(key, nsems, SEM_RA | IPC_CREAT);\n+\tsemid = SAFE_SEMGET(IPC_PRIVATE, nsems, SEM_RA | IPC_CREAT);\n }\n \n static void cleanup(void)\n","prefixes":["v1"]}