{
  "id": 8032208,
  "title": "[$] Thread-identity switcheroo for io_uring",
  "url": "https://urgent.news/2026/09/17/thread-identity-switcheroo-for-io-uring",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-09-17T13:49:59.000Z",
  "source": {
    "name": "LWN",
    "slug": "lwn",
    "url": "https://lwn.net/Articles/1094303/"
  },
  "original_language": "en",
  "account": null,
  "summary": "The io_uring subsystem is all about asynchronous execution; applications count on it to not block — unless explicitly requested to. Within io_uring, maintaining the \"never blocks\" guarantee has sometimes been a challenge, given that many paths in the kernel were never designed for asynchronous execution. This problem has been worked around, but at a significant cost to performance. Now, io_uring…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}