user-mode linux (uml) · Maintained

Maintainers

• M Richard Weinberger <richard@nod.at>
• M Anton Ivanov <anton.ivanov@cambridgegreys.com>
• M Johannes Berg <johannes@sipsolutions.net>

Paths

• F Documentation/virt/uml/
• F arch/um/
• F arch/x86/um/
• F fs/hostfs/

Last 30 days

Most active threads (last 7 days)

• WARM2d [PATCH v4 0/8] x86: Remove cpu_has_xfeatures() and add AVX-512 xor_gen()
  2026-08-15 18:12 · 1 reply in 7d · Eric Biggers <ebiggers@kernel.org>
• WARM3d [PATCH v3 0/8] x86: Remove cpu_has_xfeatures() and add AVX-512 xor_gen()
  2026-08-13 02:20 · 1 reply in 7d · Eric Biggers <ebiggers@kernel.org>

Active reviewers (last 30 days)

• Christoph Hellwig <hch@lst.de>
  2 attestations (2 Acked-by) · last on 2026-08-15

Recent patches

Most-recent 30 patches in this subsystem on linux-crypto (capped at 30), ordered by date desc.

• WARM2d REVIEWED: 4 (4M) [PATCH v4 2/8] um: Check for missing AVX and AVX-512 xstate bits
  2026-08-15 · Eric Biggers <ebiggers@kernel.org>
• WARM3d REVIEWED: 4 (4M) [PATCH v3 2/8] um: Check for missing AVX and AVX-512 xstate bits
  2026-08-13 · Eric Biggers <ebiggers@kernel.org>
• COOLING5d [PATCH v2 2/8] um: Check for missing AVX and AVX-512 xstate bits
  2026-07-28 · Eric Biggers <ebiggers@kernel.org>
• COLD48d [PATCH 2/8] um: Check for missing AVX and AVX-512 xstate bits
  2026-06-26 · Eric Biggers <ebiggers@kernel.org>
• COOLING4d [PATCH 21/28] xor: make xor.ko self-contained in lib/raid/
  2026-03-27 · Christoph Hellwig <hch@lst.de>
• COOLING4d REVIEWED: 6 (6M) [PATCH 04/28] um/xor: cleanup xor.h
  2026-03-27 · Christoph Hellwig <hch@lst.de>
• COOLING4d [PATCH 20/26] xor: make xor.ko self-contained in lib/raid/
  2026-03-24 · Christoph Hellwig <hch@lst.de>
• COOLING4d REVIEWED: 6 (6M) [PATCH 03/26] um/xor: cleanup xor.h
  2026-03-24 · Christoph Hellwig <hch@lst.de>
• STALE154d [PATCH 20/27] xor: make xor.ko self-contained in lib/raid/
  2026-03-11 · Christoph Hellwig <hch@lst.de>
• STALE154d [PATCH 03/27] um/xor: cleanup xor.h
  2026-03-11 · Christoph Hellwig <hch@lst.de>
• STALE160d [PATCH 20/25] xor: make xor.ko self-contained in lib/raid/
  2026-02-26 · Christoph Hellwig <hch@lst.de>
• STALE160d [PATCH 03/25] um/xor: don't override XOR_SELECT_TEMPLATE
  2026-02-26 · Christoph Hellwig <hch@lst.de>
• STALE203d [PATCH v5 22/36] um: Fix incorrect __acquires/__releases annotations
  2025-12-19 · Marco Elver <elver@google.com>
• STALE468d [PATCH] um: Include linux/types.h in asm/fpu/api.h
  2025-05-07 · Herbert Xu <herbert@gondor.apana.org.au>
• STALE459d [PATCH 1/4] kbuild: require gcc-8 and binutils-2.30
  2025-04-07 · Arnd Bergmann <arnd@kernel.org>
• STALE844d REVIEWED: 8 (8M) [PATCH v2 05/25] um: virt-pci: drop owner assignment
  2024-03-31 · Krzysztof Kozlowski <hidden>
• STALE870d [PATCH 02/22] um: virt-pci: drop owner assignment
  2024-03-27 · Krzysztof Kozlowski <hidden>
• STALE1292d [PATCH v2 3/6] mm: replace vma->vm_flags direct modifications with modifier calls
  2023-01-25 · Suren Baghdasaryan <surenb@google.com>
• STALE1369d REVIEWED: 19 (19M) [PATCH v3 1/3] treewide: use get_random_u32_below() instead of deprecated function
  2022-11-17 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1369d REVIEWED: 19 (19M) [PATCH v2 1/3] treewide: use get_random_u32_below() instead of deprecated function
  2022-11-14 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1369d [PATCH v2] hw_random: treat default_quality as a maximum and default to 1024
  2022-11-07 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1369d [PATCH] hw_random: treat default_quality as a maximum and default to 1024
  2022-11-04 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1371d [PATCH v1 1/5] treewide: use get_random_u32_below() instead of deprecated function
  2022-10-22 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1400d REVIEWED: 29 (28M) [PATCH v6 1/7] treewide: use prandom_u32_max() when possible, part 1
  2022-10-10 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1408d REVIEWED: 2 (1M) [PATCH v5 1/7] treewide: use prandom_u32_max() when possible, part 1
  2022-10-08 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1409d REVIEWED: 2 (1M) [PATCH v4 1/6] treewide: use prandom_u32_max() when possible, mechanically
  2022-10-07 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1409d REVIEWED: 2 (1M) [PATCH v3 1/5] treewide: use prandom_u32_max() when possible
  2022-10-06 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1545d Re: [patch 3/3] x86/fpu: Make FPU protection more robust
  2022-05-05 · Thomas Gleixner <hidden>
• STALE1422d REVIEWED: 8 (8M) [PATCH v6 14/17] um: use fallback for random_get_entropy() instead of zero
  2022-04-23 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1568d [PATCH v5 08/11] um: use fallback for random_get_entropy() instead of zero
  2022-04-19 · "Jason A. Donenfeld" <Jason@zx2c4.com>

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE154d [PATCH 20/27] xor: make xor.ko self-contained in lib/raid/
  2026-03-11 · Christoph Hellwig <hch@lst.de>
• COOLING4d [PATCH 20/26] xor: make xor.ko self-contained in lib/raid/
  2026-03-24 · Christoph Hellwig <hch@lst.de>
• COOLING4d [PATCH 21/28] xor: make xor.ko self-contained in lib/raid/
  2026-03-27 · Christoph Hellwig <hch@lst.de>