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1. Commits on Jun 24, 2026

   • add sync syscall

     zeldovich

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2. Commits on Jun 14, 2026

   • rename kernel printf to printk

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3. Commits on May 20, 2026

   • clang-format the header files too

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   • run clang-format (make fmt)

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   • nits in preparation for clang-format

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   • usertests: print errors from exectest

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   • no need to save tp in kernelvec

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4. Commits on May 19, 2026

   • timerinit: no need to set STIE twice

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     zeldovich

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   • clean up acquire/release impl

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     zeldovich

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   • test-xv6.py: Do not fail `rm fs.img` if run after `make clean`

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     Yuan Liao

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     zeldovich

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   • update .gitignore

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   • Fix comment to clarify string length return value

     

     Sefur

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     zeldovich

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   • drop uartputc from defs.h

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   • use __atomic functions instead of __sync

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     zeldovich

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   • explicitly pass -std=gnu99

     zeldovich

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   • Merge remote-tracking branch 'github/riscv' into riscv

     zeldovich

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   • remove AS definition from Makefile

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     zeldovich

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5. Commits on Dec 17, 2025

   • Makefile: discover riscv64-none-elf- toolchain (#439)

     lschuermann

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6. Commits on Oct 20, 2025

   • Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv

     

     Robert Morris

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   • usertrapret() -> prepare_return()

     

     Robert Morris

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7. Commits on Oct 16, 2025

   • explicitly specify -march=rv64gc

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     zeldovich

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8. Commits on Oct 4, 2025

   • slightly clearer comments, for next year

     

     Robert Morris

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9. Commits on Sep 29, 2025

   • ensure sbrk cannot exceed TRAPFRAME

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     zeldovich

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   • add a test for sbrk approaching MAXVA

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     zeldovich

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   • fix piperead() with lazy sbrk

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10. Commits on Sep 20, 2025

    • Replace stale comment with old comment, after lazy-page allocation changes

      kaashoek

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11. Commits on Sep 15, 2025

    • pass -Wno-unknown-attributes for mkfs too

      zeldovich

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12. Commits on Sep 11, 2025

    • Update comment

      kaashoek

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13. Commits on Sep 8, 2025

    • fix start() args

      zeldovich

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14. Commits on Sep 7, 2025

    • fix user printf for uint64

      zeldovich

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15. Commits on Sep 4, 2025

    • try again to fix the dirent name strncpy warning

      zeldovich

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16. Commits on Sep 3, 2025

    • propagate main return value to exit status

      zeldovich

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17. Commits on Sep 2, 2025

    • Add DOC: for reference in book

      kaashoek

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18. Commits on Aug 25, 2025

    • PR 383

      kaashoek

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19. Commits on Aug 21, 2025

    • null-terminate fmtname() result

      

      Robert Morris

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