{"id":2198014,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2198014/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/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":"<20260218-bsd-user-claude-v3-8-0137b37b221e@bsdimp.com>","date":"2026-02-19T05:22:31","name":"[v3,08/24] bsd-user: Add host_to_target_semarray for semaphore operations","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"c32557f1c4fd903e83f582439ec83f23cdbb4fe1","submitter":{"id":1896,"url":"http://patchwork.ozlabs.org/api/1.0/people/1896/?format=json","name":"Warner Losh","email":"imp@bsdimp.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260218-bsd-user-claude-v3-8-0137b37b221e@bsdimp.com/mbox/","series":[{"id":492638,"url":"http://patchwork.ozlabs.org/api/1.0/series/492638/?format=json","date":"2026-02-19T05:22:26","name":"bsd-user: Upstream misc system calls (System V IPC, reboot, etc)","version":3,"mbox":"http://patchwork.ozlabs.org/series/492638/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2198014/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.20230601.gappssmtp.com\n header.i=@bsdimp-com.20230601.gappssmtp.com header.a=rsa-sha256\n header.s=20230601 header.b=GrfBoajN;\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":"<20260218-bsd-user-claude-v3-8-0137b37b221e@bsdimp.com>","References":"<20260218-bsd-user-claude-v3-0-0137b37b221e@bsdimp.com>","In-Reply-To":"<20260218-bsd-user-claude-v3-0-0137b37b221e@bsdimp.com>","To":"qemu-devel@nongnu.org","Cc":"=?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= ,\n Kyle Evans ,\n =?utf-8?q?Marc-Andr=C3=A9_Lureau?= ,\n Paolo Bonzini ,\n =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= ,\n Riku Voipio , Warner Losh ,\n Stacey Son ,\n Richard Henderson ","X-Mailer":"b4 0.14.3","X-Developer-Signature":"v=1; a=openpgp-sha256; l=1470; i=imp@bsdimp.com;\n h=from:subject:message-id; bh=1LFR2/aewofcqUWaUSfvi7cCnimlAOVVnZsi6mqqDx0=;\n b=owEBbQKS/ZANAwAKAWwc0Sh9sBEAAcsmYgBplp4rFGS0BrCWLhiWrTcCbCFqLKp2ze0WfhBTh\n GBIDyQ7e0iJAjMEAAEKAB0WIQQgNfiUsAqjz3zN4bdsHNEofbARAAUCaZaeKwAKCRBsHNEofbAR\n ALiuD/wJir007vdS7RcVQrrQof0S9MZAeJdktIXP5zO/zVgXMC+MnWkzEOSQWBvYTA6JkgtojDs\n T0yJuzaoQagPPytPFjcvcoeg3PyBJz2cE4sNHuutBKXzwsQv6x5+TtcGiPQcBXQD45a+B9hFwRF\n rPM7ErgsLNotj/LaPa1LCo8nBGGDSJc+t22IYM93KbgBOGhjAMXLLjiLTMqj7GKItTSOufQJy8J\n a5XH1+o6rxmhEP29raBh9Dv8UR/mGwh1wU9WLKbZX/tr3Tk2VlwFc9O1DJjzy0w3noCV8OsPK1P\n bO0Ck0SWmIbcKFU2vRLn66PO4x4NL8DSqyTkF8duQEYO7x9Hv8qNItlO7ebd28xurDyowGliATX\n jD938PcJTNN0ISk6UFa1N2JJRnm7kFO6zQ8yQRfkWQIGzV1U19RuLXZIjlRlCr/WZQON5hl9ldc\n EGQFmpBBYLBXS1r5Dn62ZyQv9EHrzyMOXm/vzpBnvs7g/GtOn/Oz49v/rwZDkhPdgMvU18MilpF\n S0+oSSMfGKRt2EAWs2pvjUDifaln5/TV0LRTAkfwsxpyscf20TvvynhvTWNgPDpg2akB4a32xBv\n 5tXsM/jT+7WWznwEbEIVetmEN+XMfzrgoz6icm78NLDYkg/4C1L1l6EU0yXFoXq14lEY9j0708f\n JR+QgbHfrmBsqgQ==","X-Developer-Key":"i=imp@bsdimp.com; a=openpgp;\n fpr=2035F894B00AA3CF7CCDE1B76C1CD1287DB01100","Received-SPF":"none client-ip=2607:f8b0:4864:20::c2d;\n envelope-from=imp@bsdimp.com; helo=mail-oo1-xc2d.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":"From: Stacey Son \n\nAdd host_to_target_semarray() to convert host semaphore array to target\nformat for semctl(2) GETALL operations.\n\nSigned-off-by: Stacey Son \nReviewed-by: Richard Henderson \nSigned-off-by: Warner Losh \n---\n bsd-user/bsd-misc.c | 30 ++++++++++++++++++++++++++++++\n 1 file changed, 30 insertions(+)","diff":"diff --git a/bsd-user/bsd-misc.c b/bsd-user/bsd-misc.c\nindex d1645db46b..65fd7b72e5 100644\n--- a/bsd-user/bsd-misc.c\n+++ b/bsd-user/bsd-misc.c\n@@ -68,3 +68,33 @@ abi_long target_to_host_semarray(int semid, unsigned short **host_array,\n \n return 0;\n }\n+\n+abi_long host_to_target_semarray(int semid, abi_ulong target_addr,\n+ unsigned short **host_arrayp)\n+{\n+ g_autofree unsigned short *host_array = *host_arrayp;\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+\n+ ret = semctl(semid, 0, IPC_STAT, semun);\n+ if (ret == -1) {\n+ return get_errno(ret);\n+ }\n+\n+ nsems = semid_ds.sem_nsems;\n+ array = (unsigned short *)lock_user(VERIFY_WRITE, target_addr,\n+ nsems * sizeof(unsigned short), 0);\n+ if (array == NULL) {\n+ return -TARGET_EFAULT;\n+ }\n+ for (i = 0; i < nsems; i++) {\n+ __put_user(array[i], host_array + i);\n+ }\n+ unlock_user(array, target_addr, 1);\n+ return 0;\n+}\n","prefixes":["v3","08/24"]}