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GET /api/patches/2194389/?format=api
{ "id": 2194389, "url": "http://patchwork.ozlabs.org/api/patches/2194389/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260208-bsd-user-claude-v2-7-58e5fcfdb84f@bsdimp.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "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": "<20260208-bsd-user-claude-v2-7-58e5fcfdb84f@bsdimp.com>", "list_archive_url": null, "date": "2026-02-08T19:26:16", "name": "[v2,07/24] bsd-user: Add target_to_host_semarray for semaphore operations", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "666ce9fb24e1ac2fd5dfe46a348e7a75199e31ca", "submitter": { "id": 1896, "url": "http://patchwork.ozlabs.org/api/people/1896/?format=api", "name": "Warner Losh", "email": "imp@bsdimp.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260208-bsd-user-claude-v2-7-58e5fcfdb84f@bsdimp.com/mbox/", "series": [ { "id": 491434, "url": "http://patchwork.ozlabs.org/api/series/491434/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491434", "date": "2026-02-08T19:26:09", "name": "bsd-user: Upstream misc system calls (System V IPC, reboot, etc)", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/491434/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2194389/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2194389/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "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.20230601.gappssmtp.com\n header.i=@bsdimp-com.20230601.gappssmtp.com header.a=rsa-sha256\n header.s=20230601 header.b=oedlN70x;\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": "<20260208-bsd-user-claude-v2-7-58e5fcfdb84f@bsdimp.com>", "References": "<20260208-bsd-user-claude-v2-0-58e5fcfdb84f@bsdimp.com>", "In-Reply-To": "<20260208-bsd-user-claude-v2-0-58e5fcfdb84f@bsdimp.com>", "To": "qemu-devel@nongnu.org", "Cc": "=?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>,\n Kyle Evans <kevans@freebsd.org>,\n =?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n Paolo Bonzini <pbonzini@redhat.com>,\n =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>,\n Riku Voipio <riku.voipio@iki.fi>, Warner Losh <imp@bsdimp.com>,\n Stacey Son <sson@FreeBSD.org>", "X-Mailer": "b4 0.14.3", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=1714; i=imp@bsdimp.com;\n h=from:subject:message-id; bh=fQTTJZxWvRkDOzmjm7pqV62DkOeFQ0ZfEtEDegHj38s=;\n b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBpiONgFqIGcnBUjwQ1WQmCEp8vwloPWD2M2BGJ4\n gccMYixtmKJAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCaYjjYAAKCRBsHNEofbAR\n ANTJEADspGEMqDGXUgIozzYeX3aVVmZc/ANjl+9rTCLf7/WkzZMX74AffArXCRnoxTl4a4PgpbA\n MXFiTPQGPfaX+09Wflu6AOcEUdM7TwiaYs5ERNRQXdn+JzFsTYYm+k0r0YV62uTQof6XO8IXcwa\n tFjqhxzIrT6sianWf8w7b0/JTRG7vUFE2FViqnmyGAhV+MbJuHVJ83FMXJBw4d3ATDT8QIVuDQy\n mzpYLOxnyU6Jvn1efF3zK2QuUGhV4wBYhSNObBVUI+TPpSLGHw6jZhm0hy2jJ44q+4oYK+6iLMR\n TzkCTjdlL5ycroNzI1n4aOT04Zi3GcUPweRUBqkUPsKBUEyNGBLi5348creotpKjfEkb8x232z5\n Z4CZg7YxYkuBk3w8lmrBKw4U8DSS04FLBk71FKmlsKERwo5z21t9uSEvQ4azUntROQXBX1LhhWe\n VS/WeyCjh+haCOh65QY3XArv0Jv8KEvfupuE74kt7JqaOCbY2hblmmbSlpMwimyVd0w2dLC5idJ\n 5HGNLOx1oWW0zJk5bYTyvpJL9+Iw+RBQmcHkNKnAv0NxOfaZgKmcze+JA+PKnoJg0mLQxcvvcss\n FnltvjPKaYGEHZEPudpfbgnzsSDN0/UQWmpk6x9D+nWT7MikP/Hslka1Pbbbk4gp5zZxCoBJI4N\n YIwAQWUpfC4FAHA==", "X-Developer-Key": "i=imp@bsdimp.com; a=openpgp;\n fpr=2035F894B00AA3CF7CCDE1B76C1CD1287DB01100", "Received-SPF": "none client-ip=2607:f8b0:4864:20::334;\n envelope-from=imp@bsdimp.com; helo=mail-ot1-x334.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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: Stacey Son <sson@FreeBSD.org>\n\nAdd target_to_host_semarray() to convert target semaphore array to host\nformat for semctl(2) SETALL operations.\n\nSigned-off-by: Stacey Son <sson@FreeBSD.org>\nSigned-off-by: Warner Losh <imp@bsdimp.com>\n---\n bsd-user/bsd-misc.c | 35 +++++++++++++++++++++++++++++++++++\n 1 file changed, 35 insertions(+)", "diff": "diff --git a/bsd-user/bsd-misc.c b/bsd-user/bsd-misc.c\nindex d2107b2f85..d9eb87db80 100644\n--- a/bsd-user/bsd-misc.c\n+++ b/bsd-user/bsd-misc.c\n@@ -18,6 +18,11 @@\n */\n #include \"qemu/osdep.h\"\n \n+#define _WANT_SEMUN\n+#include <sys/types.h>\n+#include <sys/ipc.h>\n+#include <sys/msg.h>\n+#include <sys/sem.h>\n #include <sys/uuid.h>\n \n #include \"qemu.h\"\n@@ -44,3 +49,33 @@ abi_long host_to_target_uuid(abi_ulong target_addr, struct uuid *host_uuid)\n unlock_user_struct(target_uuid, target_addr, 1);\n return 0;\n }\n+\n+abi_long target_to_host_semarray(int semid, unsigned short **host_array,\n+ abi_ulong target_addr)\n+{\n+ abi_long ret;\n+ int nsems, i;\n+ unsigned short *array;\n+ union semun semun;\n+ struct semid_ds semid_ds;\n+\n+ semun.buf = &semid_ds;\n+ ret = semctl(semid, 0, IPC_STAT, semun);\n+ if (ret == -1) {\n+ return get_errno(ret);\n+ }\n+ nsems = semid_ds.sem_nsems;\n+ *host_array = (unsigned short *)g_malloc(nsems * sizeof(unsigned short));\n+ array = lock_user(VERIFY_READ, target_addr,\n+ nsems * sizeof(unsigned short), 1);\n+ if (array == NULL) {\n+ free(*host_array);\n+ return -TARGET_EFAULT;\n+ }\n+ for (i = 0; i < nsems; i++) {\n+ __get_user((*host_array)[i], array + i);\n+ }\n+ unlock_user(array, target_addr, 0);\n+\n+ return 0;\n+}\n", "prefixes": [ "v2", "07/24" ] }