char and misc drivers · Supported

Maintainers

• M Arnd Bergmann <arnd@arndb.de>
• M Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Paths

• F drivers/char/
• F drivers/misc/
• F include/linux/miscdevice.h
• F rust/kernel/miscdevice.rs
• F samples/rust/rust_misc_device.rs
• X drivers/char/agp/
• X drivers/char/hw_random/
• X drivers/char/ipmi/
• X drivers/char/random.c
• X drivers/char/tpm/

Last 30 days

Recent patches

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

• COOLING8d [PATCH 31/32] treewide: convert rdmsrq() from a macro to an inline function
  2026-06-29 · Juergen Gross <jgross@suse.com>
• COLD21d [PATCH] virtio_console: fix endian conversion in handle_control_message()
  2026-06-23 · Ben Dooks <hidden>
• COLD33d Re: [PATCH RESEND] virtio_console: read size from config space during device init
  2026-06-11 · "Michael S. Tsirkin" <mst@redhat.com>
• DORMANTno replies [PATCH v3 4/4] virtio_console: fix race between hvc put_chars and virtqueue teardown on freeze
  2026-06-03 · Sungho Bae <hidden>
• COLD41d [PATCH v3 3/4] virtio_console: fix control queue race during restore
  2026-06-03 · Sungho Bae <hidden>
• COLD41d [PATCH v3 2/4] virtio_console: fix hot-unplug races in TX paths
  2026-06-03 · Sungho Bae <hidden>
• COLD41d [PATCH v3 1/4] virtio_console: refactor __send_to_port() buffer ownership
  2026-06-03 · Sungho Bae <hidden>
• COLD43d [PATCH] virtio_console: clean up port name sysfs attribute
  2026-06-01 · Goncalo Gomes <hidden>
• COLD34d [PATCH 04/11] treewide: Convert struct kernel_param_ops initializers to DEFINE_KERNEL_PARAM_OPS
  2026-05-21 · Kees Cook <kees@kernel.org>
• DORMANTno replies [PATCH v2] virtio_console: fix race between hvc put_chars and virtqueue teardown on freeze
  2026-05-19 · Sungho Bae <hidden>
• DORMANTno replies [PATCH] virtio_console: fix race between hvc put_chars and virtqueue teardown on freeze
  2026-05-15 · Sungho Bae <hidden>
• DORMANTno replies [PATCH v4] virtio_console: bound __send_to_port() spin loop to prevent watchdog bite
  2026-05-06 · Peng Yang <hidden>
• DORMANTno replies [PATCH v3] virtio_console: bound __send_to_port() spin loop to prevent watchdog bite
  2026-05-06 · Peng Yang <hidden>
• DORMANTno replies [PATCH v2] virtio_console: add timeout to __send_to_port() spin loop
  2026-04-30 · Peng Yang <hidden>
• STALE84d [PATCH] virtio_console: add timeout to __send_to_port() spin loop
  2026-04-21 · Peng Yang <hidden>
• DORMANTno replies [PATCH] virtio: console: fix use-after-free after failed restore
  2026-04-16 · physicalmtea <hidden>
• STALE133d [PATCH v2] vsock: add G2H fallback for CIDs not owned by H2G transport
  2026-03-02 · Alexander Graf <graf@amazon.com>
• COLD33d [PATCH RESEND] virtio_console: read size from config space during device init
  2026-02-23 · Filip Hejsek <hidden>
• STALE175d REVIEWED: 10 (9M) [PATCH v3 23/24] mm: rename CONFIG_MEMORY_BALLOON -> CONFIG_BALLOON
  2026-01-19 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE175d REVIEWED: 10 (9M) [PATCH v3 22/24] mm: rename CONFIG_BALLOON_COMPACTION to CONFIG_BALLOON_MIGRATION
  2026-01-19 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE175d REVIEWED: 10 (9M) [PATCH v3 20/24] mm: rename balloon_compaction.(c|h) to balloon.(c|h)
  2026-01-19 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE175d REVIEWED: 10 (9M) [PATCH v3 07/24] vmw_balloon: stop using the balloon_dev_info lock
  2026-01-19 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE175d REVIEWED: 9 (9M) [PATCH v3 05/24] mm/balloon_compaction: centralize basic page migration handling
  2026-01-19 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE175d REVIEWED: 10 (9M) [PATCH v3 02/24] vmw_balloon: remove vmballoon_compaction_init()
  2026-01-19 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE175d REVIEWED: 11 (10M) [PATCH v3 01/24] vmw_balloon: adjust BALLOON_DEFLATE when deflating while migrating
  2026-01-19 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE176d [PATCH v2 22/23] mm: rename CONFIG_MEMORY_BALLOON -> CONFIG_BALLOON
  2026-01-15 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE176d [PATCH v2 21/23] mm: rename CONFIG_BALLOON_COMPACTION to CONFIG_BALLOON_MIGRATION
  2026-01-15 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE176d [PATCH v2 19/23] mm: rename balloon_compaction.(c|h) to balloon.(c|h)
  2026-01-15 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE176d [PATCH v2 06/23] vmw_balloon: stop using the balloon_dev_info lock
  2026-01-15 · "David Hildenbrand (Red Hat)" <david@kernel.org>
• STALE176d [PATCH v2 04/23] mm/balloon_compaction: centralize basic page migration handling
  2026-01-15 · "David Hildenbrand (Red Hat)" <david@kernel.org>

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.

• DORMANTno replies [PATCH] virtio_console: read size from config space during device init
  2025-12-24 · Filip Hejsek <hidden>
• DORMANTno replies [PATCH v3] virtio: console: fix lost wakeup when device is written and polled
  2025-12-24 · Lorenz Bauer <hidden>
• DORMANTno replies [PATCH] virtio: console: fix use-after-free after failed restore
  2026-04-16 · physicalmtea <hidden>
• DORMANTno replies [PATCH v2] virtio_console: add timeout to __send_to_port() spin loop
  2026-04-30 · Peng Yang <hidden>
• DORMANTno replies [PATCH v3] virtio_console: bound __send_to_port() spin loop to prevent watchdog bite
  2026-05-06 · Peng Yang <hidden>
• DORMANTno replies [PATCH v4] virtio_console: bound __send_to_port() spin loop to prevent watchdog bite
  2026-05-06 · Peng Yang <hidden>
• DORMANTno replies [PATCH] virtio_console: fix race between hvc put_chars and virtqueue teardown on freeze
  2026-05-15 · Sungho Bae <hidden>
• DORMANTno replies [PATCH v2] virtio_console: fix race between hvc put_chars and virtqueue teardown on freeze
  2026-05-19 · Sungho Bae <hidden>
• COLD41d [PATCH v3 1/4] virtio_console: refactor __send_to_port() buffer ownership
  2026-06-03 · Sungho Bae <hidden>
• COLD41d [PATCH v3 2/4] virtio_console: fix hot-unplug races in TX paths
  2026-06-03 · Sungho Bae <hidden>