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Message-ID: <20251205091317.8896-3-johannes@sipsolutions.net>
Date: Fri, 5 Dec 2025 10:07:44 +0100
From: Johannes Berg <johannes@...solutions.net>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org,
linux-um@...ts.infradead.org,
Richard Weinberger <richard@....at>,
Anton Ivanov <anton.ivanov@...bridgegreys.com>
Subject: [GIT PULL] uml 6.19-rc1
Hi Linus,
UML updates this time are SMP and vDSO cleanups, along with
the usual churn. Stehen reported [1] a merge conflict between
this and the tip-fixes tree, but evidently that isn't in your
tree yet, at least right now when I tried it merged cleanly.
[1] https://lore.kernel.org/lkml/20251204125841.4fd60214@canb.auug.org.au/
Please pull and let us know if there's any problem.
Thanks,
johannes
The following changes since commit dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa:
Linux 6.18-rc3 (2025-10-26 15:59:49 -0700)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/uml/linux.git tags/uml-for-linux-6.19-rc1
for you to fetch changes up to a3209bb94b36351f11e0d9e72ac44e5dd777a069:
um: Disable KASAN_INLINE when STATIC_LINK is selected (2025-12-01 11:54:50 +0100)
----------------------------------------------------------------
Apart from the usual small churn, we have
- initial SMP support (only kernel)
- major vDSO cleanups (and fixes for 32-bit)
----------------------------------------------------------------
Christophe Leroy (CS GROUP) (1):
um: Disable KASAN_INLINE when STATIC_LINK is selected
David Gow (1):
um: Don't rename vmap to kernel_vmap
Johannes Berg (3):
um: init cpu_tasks[] earlier
um/hostfs: define HOSTFS_ATTR_* via asm-offsets
um: move asm-offsets generation into a single file
Kuninori Morimoto (1):
um: drivers: virtio: use string choices helper
Thomas Weißschuh (15):
x86/um/vdso: Fix prototype of clock_gettime()
x86/um/vdso: Use prototypes from generic vDSO headers
x86/um/vdso: Panic when vDSO can not be allocated
x86/um/vdso: Drop VDSO64-y from Makefile
um: Avoid circular dependency on asm-offsets in pgtable.h
um: Split out default elf_aux_platform
x86/um: Move ELF_PLATFORM fallback to x86-specific code
um: Split out default elf_aux_hwcap
x86/um: Do not inherit vDSO from host
x86/um: Drop gate area handling
um: Remove fixaddr_user_init()
um: Remove redundant range check from __access_ok_vsyscall()
um: Remove __access_ok_vsyscall()
x86/um: Remove FIXADDR_USER_START and FIXADDR_USE_END
um: Always set up AT_HWCAP and AT_PLATFORM
Tiwei Bie (12):
um: Make host_task_size a local variable
um: Use PAGE_ALIGN() for address alignment
um: Replace UML_ROUND_UP() with PAGE_ALIGN()
um: Remove file-based iomem emulation support
um: Do not disable kmalloc in initial_thread_cb()
um: Turn signals_* into thread-local variables
um: Determine sleep based on need_resched()
um: Define timers on a per-CPU basis
um: Add initial SMP support
um: vdso: Remove getcpu support on x86
asm-generic: percpu: Add assembly guard
um: Enable SMP support on x86
.../core/generic-idle-thread/arch-support.txt | 2 +-
arch/um/Kconfig | 53 ++++-
arch/um/Makefile | 12 +-
arch/um/drivers/Makefile | 1 -
arch/um/drivers/mmapper_kern.c | 135 ------------
arch/um/drivers/virtio_uml.c | 4 +-
arch/um/include/asm/current.h | 5 +-
arch/um/include/asm/hardirq.h | 24 +-
arch/um/include/asm/irqflags.h | 4 +-
arch/um/include/asm/kasan.h | 4 -
arch/um/include/asm/mmu.h | 10 +
arch/um/include/asm/page.h | 4 -
arch/um/include/asm/pgtable.h | 8 +-
arch/um/include/asm/smp.h | 15 +-
arch/um/include/asm/uaccess.h | 9 +-
arch/um/include/linux/smp-internal.h | 17 ++
arch/um/include/linux/time-internal.h | 3 +
arch/um/include/shared/as-layout.h | 1 -
arch/um/include/shared/common-offsets.h | 20 --
arch/um/include/shared/kern_util.h | 5 +-
arch/um/include/shared/longjmp.h | 3 +-
arch/um/include/shared/mem_user.h | 13 --
arch/um/include/shared/os.h | 24 +-
arch/um/include/shared/skas/mm_id.h | 5 +
arch/um/include/shared/skas/skas.h | 2 +
arch/um/include/shared/smp.h | 20 ++
arch/um/kernel/Makefile | 1 +
arch/um/kernel/asm-offsets.c | 44 +++-
arch/um/kernel/irq.c | 27 ++-
arch/um/kernel/ksyms.c | 2 +-
arch/um/kernel/mem.c | 111 +---------
arch/um/kernel/physmem.c | 71 ------
arch/um/kernel/process.c | 18 +-
arch/um/kernel/skas/mmu.c | 33 ++-
arch/um/kernel/skas/process.c | 19 +-
arch/um/kernel/smp.c | 242 +++++++++++++++++++++
arch/um/kernel/time.c | 58 +++--
arch/um/kernel/tlb.c | 5 +-
arch/um/kernel/trap.c | 2 +-
arch/um/kernel/um_arch.c | 49 +++--
arch/um/os-Linux/Makefile | 6 +-
arch/um/os-Linux/elf_aux.c | 37 +---
arch/um/os-Linux/internal.h | 13 ++
arch/um/os-Linux/main.c | 6 +-
arch/um/os-Linux/process.c | 20 ++
arch/um/os-Linux/signal.c | 46 +++-
arch/um/os-Linux/skas/process.c | 46 ++--
arch/um/os-Linux/smp.c | 148 +++++++++++++
arch/um/os-Linux/start_up.c | 54 +----
arch/um/os-Linux/time.c | 78 +++++--
arch/um/os-Linux/user_syms.c | 6 -
arch/x86/um/Kconfig | 7 +-
arch/x86/um/Makefile | 5 +-
arch/x86/um/asm/elf.h | 39 +---
arch/x86/um/asm/spinlock.h | 8 +
arch/x86/um/elfcore.c | 78 -------
arch/x86/um/mem_32.c | 50 -----
arch/x86/um/shared/sysdep/kernel-offsets.h | 17 --
arch/x86/um/vdso/Makefile | 7 +-
arch/x86/um/vdso/um_vdso.c | 30 +--
arch/x86/um/vdso/vdso.lds.S | 2 -
arch/x86/um/vdso/vma.c | 12 +-
fs/hostfs/hostfs.h | 34 +--
include/asm-generic/percpu.h | 3 +
64 files changed, 972 insertions(+), 865 deletions(-)
delete mode 100644 arch/um/drivers/mmapper_kern.c
create mode 100644 arch/um/include/linux/smp-internal.h
delete mode 100644 arch/um/include/shared/common-offsets.h
create mode 100644 arch/um/include/shared/smp.h
create mode 100644 arch/um/kernel/smp.c
create mode 100644 arch/um/os-Linux/smp.c
create mode 100644 arch/x86/um/asm/spinlock.h
delete mode 100644 arch/x86/um/elfcore.c
delete mode 100644 arch/x86/um/mem_32.c
delete mode 100644 arch/x86/um/shared/sysdep/kernel-offsets.h
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