{"id":2231652,"url":"http://patchwork.ozlabs.org/api/patches/2231652/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260430-syscall-nr-v4-2-80f512079a16@bsdimp.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/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":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260430-syscall-nr-v4-2-80f512079a16@bsdimp.com>","list_archive_url":null,"date":"2026-05-01T03:07:37","name":"[v4,2/4] 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/people/1896/?format=json","name":"Warner Losh","email":"imp@bsdimp.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260430-syscall-nr-v4-2-80f512079a16@bsdimp.com/mbox/","series":[{"id":502417,"url":"http://patchwork.ozlabs.org/api/series/502417/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502417","date":"2026-05-01T03:07:37","name":"bsd-user: Generate system call numbers","version":4,"mbox":"http://patchwork.ozlabs.org/series/502417/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2231652/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2231652/checks/","tags":{},"related":[],"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=0eMfVzCa;\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":"<20260430-syscall-nr-v4-2-80f512079a16@bsdimp.com>","References":"<20260430-syscall-nr-v4-0-80f512079a16@bsdimp.com>","In-Reply-To":"<20260430-syscall-nr-v4-0-80f512079a16@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=3103; i=imp@bsdimp.com;\n h=from:subject:message-id; bh=s1cNkl7oaOVINYGeXHehc9QlFbfyzLUyBMhD1vHNmOA=;\n b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBp9BkEQwkd8eIodphfajPLYsE8/mlktfqwU4ecq\n qeE3B17yFSJAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCafQZBAAKCRBsHNEofbAR\n ABP5EACqw24qmbV71RAgXIYgodVVn4tdIQQ4H4NxDBN56dQYPVedkDxZqTK/3NoLi2FJ2RFjA9p\n T6e1IcKKdROnFLUhtGD3hZAccGpZu24P+qstKgDmXl5nVowpt1yUhCnYUMo6td22MW53TBnPpBw\n dbLC96hWxdH6Diegnd3Rzugfn6PLJQe+s2KykxKganRQgJFDcoMIW+n/oHT9cR4aGdkNoC+Nvbe\n P1wesWn+JsUoNIa+za6k+3cSxL8xWNmQXobDGYpvM6Qza1lxlrOP+7sBTTB6XYZaNNOMxfLdW/w\n 5tuzq1E9oJ2d8nla+CyUSKK2qZpp/KBAHtEdcy3DaiGnXfHZMOCbB1osU0V2VxvLKU1Ikwi5Rrt\n bd7nCX5k2nsDtAgf9kjYfWeU/0QM4ILIpVw4Y6j/faiGuxi2EeFs3SDXFfDXyY2yUB1O9O3+ZDt\n QtlGSwAKeQxMWMxWfwCJZD4UoeFs1w5CZdbRCa7HoqyBNJVUUQR6LUrs/AmHqdGv7MKx0yh0Pu8\n Njz1pvWm31Tnr4qd9asSnXrCHBp8UCQf5jst8zTL+9Cn9xz4FiAC2Z4kJxalg4Blos1O0OcYgC9\n 7kZc7VK2wfEceEh0W6DBunxSXsihsurhkr0LCIgJNTAWiwWDpN0S3QO4krIRCCftHkut7tXC3DB\n cUIdFLi1qB+HjBA==","X-Developer-Key":"i=imp@bsdimp.com; a=openpgp;\n fpr=2035F894B00AA3CF7CCDE1B76C1CD1287DB01100","Received-SPF":"none client-ip=2607:f8b0:4864:20::32e;\n envelope-from=imp@bsdimp.com; helo=mail-ot1-x32e.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\nReviewed-by: Pierrick Bouvier \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":["v4","2/4"]}