{"id":2230274,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2230274/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429-syscall-nr-v2-2-67a8d09dc13e@bsdimp.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260429-syscall-nr-v2-2-67a8d09dc13e@bsdimp.com>","date":"2026-04-29T14:38:52","name":"[v2,2/5] bsd-user: Delete sbrk and sstk system calls.","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"387bb911b414f2e56027dc3c59396d8900564a7a","submitter":{"id":1896,"url":"http://patchwork.ozlabs.org/api/1.1/people/1896/?format=json","name":"Warner Losh","email":"imp@bsdimp.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429-syscall-nr-v2-2-67a8d09dc13e@bsdimp.com/mbox/","series":[{"id":502083,"url":"http://patchwork.ozlabs.org/api/1.1/series/502083/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502083","date":"2026-04-29T14:38:53","name":"bsd-user: Generate system call numbers","version":2,"mbox":"http://patchwork.ozlabs.org/series/502083/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2230274/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2230274/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=bsdimp-com.20251104.gappssmtp.com\n header.i=@bsdimp-com.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=vk1NJyzY;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260429-syscall-nr-v2-2-67a8d09dc13e@bsdimp.com>","References":"<20260429-syscall-nr-v2-0-67a8d09dc13e@bsdimp.com>","In-Reply-To":"<20260429-syscall-nr-v2-0-67a8d09dc13e@bsdimp.com>","To":"qemu-devel@nongnu.org","Cc":"Kyle Evans , Paolo Bonzini ,\n\t=?utf-8?q?Marc-Andr=C3=A9_Lureau?= ,\n\t=?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , =?utf-8?q?Phil?=\n\t=?utf-8?q?ippe_Mathieu-Daud=C3=A9?= ,\n Pierrick Bouvier ,\n Warner Losh ","X-Mailer":"b4 0.14.3","X-Developer-Signature":"v=1; a=openpgp-sha256; l=3036; i=imp@bsdimp.com;\n h=from:subject:message-id; bh=VY6OYhFAhZDkOU4DGGiY5jBP+cq1LdQq+JnMt+rf9iE=;\n b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBp8hhK078qSmBVhNNjI8kLdDmL0AzwHTsFcHvx5\n UUx32osqOSJAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCafIYSgAKCRBsHNEofbAR\n AENvD/0eg9twLvHqXO1sxegQYERi5eoo28ED4ZVT5JByGk+QAFZwyFdZa4xy2InuSlEkPJEt8RK\n U8ec09yLZPTKya4zUscU/JWLQakil8ZmG7Fv9U+m8/Ah1yUbGcUKELd8ime1x0FHzCNbNvSvfUV\n E8XYR2yzAyF02xQvVNTj1GU084YsselVv/oQCBJebw0R1zGvUTJjbU2RQhi7bBF5BJxMzGQ5aMd\n JoCRWW1SmL/+EY/yETHVWipBdVA2WhSvvEG61GRPc5z2C951laMLOpBBqjioJJXSZKOf1xvxXGm\n g/ucIWhrBQwAMU/tDZfWKYt+wZ9P+L2YV4XO1p5nJgj5kKHrsw1byzL5KhlhmdbOyDuLz5QRlq/\n ccayuj3Ng8p4L+M5CIyTnE35fxsMpT4Ww0zIqjJLNoUXlcDZkYUna3kp1etQOedE/SprkLg1zEO\n OZrPFgsAV9Wo++R9iKzYPiHwoi3tgK479L6ff4z8/HFb1hZiRzjvnUym17di4bp6LcLhUPk6aAm\n IcUIuRgqx1a3uR9dEeasze3/AbCByp7XFZ8HtCg8mXjibgrpG4N85CDkNOlTibg22Tiy4GDrkHF\n vcmZRhMrp9+mjTgGt4EUsvL50OniVWusOSm8lhH11e/4unL5xAdf1tO0QL8CwtQ/meZtGuWrIzV\n VZFWLs7EZvzJpHw==","X-Developer-Key":"i=imp@bsdimp.com; a=openpgp;\n fpr=2035F894B00AA3CF7CCDE1B76C1CD1287DB01100","Received-SPF":"none client-ip=2607:f8b0:4864:20::335;\n envelope-from=imp@bsdimp.com; helo=mail-ot1-x335.google.com","X-Spam_score_int":"-18","X-Spam_score":"-1.9","X-Spam_bar":"-","X-Spam_report":"(-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_NONE=0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"sbrk and sstk were an experimental system call introduced in 4.2BSD, but\nwith an blank implementation. They remained in subsequent 4BSD releases\ndoing nothing (with 4.3-Reno and later returning not supported). FreeBSD\n1.x imported this. They were removed in 2023. Remove them from here\nbecause no real, non-contrived program on FreeBSD ever had them.\n\nSigned-off-by: Warner Losh \n---\n bsd-user/bsd-mem.h | 2 ++\n bsd-user/freebsd/os-syscall.c | 8 --------\n bsd-user/freebsd/strace.list | 4 ++++\n 3 files changed, 6 insertions(+), 8 deletions(-)","diff":"diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h\nindex a118e57260..a20b703053 100644\n--- a/bsd-user/bsd-mem.h\n+++ b/bsd-user/bsd-mem.h\n@@ -440,6 +440,7 @@ static inline abi_long do_bsd_vadvise(void)\n return -TARGET_EINVAL;\n }\n \n+#ifdef TARGET_FREEBSD_NR_sbrk\n static inline abi_long do_bsd_sbrk(void)\n {\n /* see sys_sbrk() in vm_mmap.c */\n@@ -451,5 +452,6 @@ static inline abi_long do_bsd_sstk(void)\n /* see sys_sstk() in vm_mmap.c */\n return -TARGET_EOPNOTSUPP;\n }\n+#endif\n \n #endif /* BSD_USER_BSD_MEM_H */\ndiff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c\nindex 85e5db19a3..ca819fc530 100644\n--- a/bsd-user/freebsd/os-syscall.c\n+++ b/bsd-user/freebsd/os-syscall.c\n@@ -918,14 +918,6 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,\n ret = do_bsd_vadvise();\n break;\n \n- case TARGET_FREEBSD_NR_sbrk:\n- ret = do_bsd_sbrk();\n- break;\n-\n- case TARGET_FREEBSD_NR_sstk:\n- ret = do_bsd_sstk();\n- break;\n-\n /*\n * Misc\n */\ndiff --git a/bsd-user/freebsd/strace.list b/bsd-user/freebsd/strace.list\nindex 275d2dbe27..d7f61f480e 100644\n--- a/bsd-user/freebsd/strace.list\n+++ b/bsd-user/freebsd/strace.list\n@@ -194,7 +194,9 @@\n { TARGET_FREEBSD_NR_rfork, \"rfork\", NULL, NULL, NULL },\n { TARGET_FREEBSD_NR_rmdir, \"rmdir\", NULL, NULL, NULL },\n { TARGET_FREEBSD_NR_rtprio_thread, \"rtprio_thread\", \"%s(%d, %d, %p)\", NULL, NULL },\n+#ifdef TARGET_FREEBSD_NR_sbrk\n { TARGET_FREEBSD_NR_sbrk, \"sbrk\", NULL, NULL, NULL },\n+#endif\n { TARGET_FREEBSD_NR_sched_get_priority_max, \"sched_get_priority_max\", NULL, NULL, NULL },\n { TARGET_FREEBSD_NR_sched_get_priority_min, \"sched_get_priority_min\", NULL, NULL, NULL },\n { TARGET_FREEBSD_NR_sched_yield, \"sched_yield\", NULL, NULL, NULL },\n@@ -234,7 +236,9 @@\n { TARGET_FREEBSD_NR_sigsuspend, \"sigsuspend\", NULL, NULL, NULL },\n { TARGET_FREEBSD_NR_socket, \"socket\", \"%s(%d,%d,%d)\", NULL, NULL },\n { TARGET_FREEBSD_NR_socketpair, \"socketpair\", NULL, NULL, NULL },\n+#ifdef TARGET_FREEBSD_NR_sstk\n { TARGET_FREEBSD_NR_sstk, \"sstk\", NULL, NULL, NULL },\n+#endif\n { TARGET_FREEBSD_NR_freebsd11_stat, \"freebsd11_stat\", \"%s(\\\"%s\\\",%p)\", NULL, NULL },\n { TARGET_FREEBSD_NR_freebsd11_statfs, \"freebsd11_statfs\", \"%s(\\\"%s\\\",%p)\", NULL, NULL },\n { TARGET_FREEBSD_NR_symlink, \"symlink\", \"%s(\\\"%s\\\",\\\"%s\\\")\", NULL, NULL },\n","prefixes":["v2","2/5"]}