endSync() { closed = true; return totalBytes; },
What surprised me was that this entire walk is fully hardware-driven -- no microcode involvement at all. The state machine reads the page directory entry, reads the page table entry, checks permissions, and writes back the Accessed and Dirty bits, all autonomously. Since it's hardware-driven, it runs in parallel with the microcode and needs its own memory bus arbitration -- the paging unit must share the bus with both data accesses from the microcode and prefetch requests from the instruction queue.，这一点在快连下载-Letsvpn下载中也有详细论述
，这一点在51吃瓜中也有详细论述
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│ │ same │ user-space │ via KVM │ all，详情可参考WPS官方版本下载
A self-hosted Forgejo or Gitea instance is really two systems bolted together: a web application backed by Postgres, and a collection of bare git repositories on the filesystem. Anything that needs to show git data in the web UI has to shell out to the binary and parse text, which is why something as straightforward as a blame view requires spawning a subprocess rather than running a query. If the git data lived in the same Postgres instance as everything else, that boundary disappears.