Yang Hau

doc: Add Cancel safety description for AsyncFd's methods

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closes #6654

Rename Flags EventFlag and MemFdCreateFlag

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relates to #317 ## What does this PR do Rename Flags ## Checklist: - [x] I have read `CONTRIBUTING.md` - [ ] I have written necessary tests and rustdoc comments...

Make comment more precise

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## Description Make the description more precise ## Test plan --- ## Release notes Check each box that your changes affect. If none of the boxes relate to your changes,...

Add preallocated buffer version of sendmsg

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closes #2457

Implement RISC-V Vector Extension

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RISC-V "V" Vector Extension (shorten as `RVV`) is the instruction extension that introduces vector process capabilities to RISCV. The staged goal of this issue is to explore the possibility to...

Failed to run arch-test on arm64 machine

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Prebuilt binary of Sail doesn't exist. I was running test on Macbook M1, commit `164da62b64fa050569b22910ea207525884802ba`. ``` $make arch-test CC build/map.o CC build/utils.o CC build/decode.o CC build/io.o CC build/syscall.o CC build/emulate.o...