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Message-ID: <1155823186.11802667.1732921581257.JavaMail.zimbra@nod.at>
Date: Sat, 30 Nov 2024 00:06:21 +0100 (CET)
From: Richard Weinberger <richard@....at>
To: torvalds <torvalds@...ux-foundation.org>
Cc: linux-um <linux-um@...ts.infradead.org>,
linux-kernel <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] UML changes for v6.13-rc1
Linus,
The following changes since commit 8cf0b93919e13d1e8d4466eb4080a4c4d9d66d7b:
Linux 6.12-rc2 (2024-10-06 15:32:27 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux.git tags/uml-for-linus-6.13-rc1
for you to fetch changes up to bed2cc482600296fe04edbc38005ba2851449c10:
hostfs: Fix the NULL vs IS_ERR() bug for __filemap_get_folio() (2024-11-15 20:55:32 +0100)
----------------------------------------------------------------
This pull request contains the following changes for UML:
- Lots of cleanups, mostly from Benjamin Berg and Tiwei Bie
- Removal of unused code
- Fix for sparse warnings
- Cleanup around stub_exe()
----------------------------------------------------------------
Benjamin Berg (30):
um: Remove unused os_process_pc
um: Remove unused os_process_parent
um: Remove unused os_stop_process
um: Remove unused os_getpgrp function
um: Set HAVE_EFFICIENT_UNALIGNED_ACCESS for x86
um: always use the internal copy of the FP registers
um: remove auxiliary FP registers
um: Add generic stub_syscall1 function
um: use execveat to create userspace MMs
um: Set parent death signal for userspace process
um: Set parent death signal for winch thread/process
um: Add compile time assert that stub fits on a page
um: Calculate stub data address relative to stub code
um: Limit TASK_SIZE to the addressable range
um: Discover host_task_size from envp
um: clear all memory in new userspace processes
um: Switch to 4 level page tables on 64 bit
um: insert scheduler ticks when userspace does not yield
um: switch to regset API and depend on XSTATE
um: fix sparse warnings from regset refactor
um: fix sparse warnings in signal code
um: set DONTDUMP and DONTFORK flags on KASAN shadow memory
um: always include kconfig.h and compiler-version.h
um: remove file sync for stub data
um: remove duplicate UM_NSEC_PER_SEC definition
um: remove broken double fault detection
um: virtio_uml: send SET_MEM_TABLE message with the exact size
um: virtio_uml: fix call_fd IRQ allocation
um: virtio_uml: query the number of vqs if supported
um: move thread info into task
David Gow (1):
um: Fix misaligned stack in stub_exe
Johannes Berg (5):
um: make stub_exe _start() pure inline asm
um: restore process name
um: remove fault_catcher infrastructure
um: remove PATH_MAX use
um: fix stub exe build with CONFIG_GCOV
Masahiro Yamada (1):
um: remove dependency on undefined CC_CAN_LINK_STATIC_NO_RUNTIME_DEPS
Nathan Chancellor (2):
um: Fix passing '-n' to linker for stub_exe
um: Disable auto variable initialization for stub_exe.c
Shaojie Dong (1):
um: Remove double zero check
Thomas Weißschuh (1):
um: vdso: Always reject undefined references in during linking
Tiwei Bie (26):
um: Remove the redundant declaration of high_physmem
um: Fix potential integer overflow during physmem setup
um: Remove highmem leftovers
um: Fix the definition for physmem_size
um: Fix the return value of elf_core_copy_task_fpregs
um: Remove 3-level page table support on i386
um: Remove UML specific debug parameter
um: Do not propagate mem parameter to kernel
um: Do not propagate uml_dir parameter to kernel
um: Do not propagate dtb parameter to kernel
um: Do not propagate noreboot parameter to kernel
hostfs: Do not propagate hostfs parameter to kernel
um: hostaudio: Do not propagate dsp parameter to kernel
um: hostaudio: Do not propagate mixer parameter to kernel
um: Do not propagate initrd parameter to kernel
um: Abandon the _PAGE_NEWPROT bit
um: Rename _PAGE_NEWPAGE to _PAGE_NEEDSYNC
um: Add os_set_pdeathsig helper function
um: Set parent-death signal for ubd io thread/process
um: Set parent-death signal for write_sigio thread/process
um: Use os_set_pdeathsig helper in winch thread/process
um: ubd: Initialize ubd's disk pointer in ubd_add
um: ubd: Do not use drvdata in release
um: net: Do not use drvdata in release
um: vector: Do not use drvdata in release
um: Always dump trace for specified task in show_stack
ZhangPeng (1):
hostfs: Fix the NULL vs IS_ERR() bug for __filemap_get_folio()
arch/um/Kconfig | 24 +-
arch/um/Makefile | 7 +-
arch/um/Makefile-skas | 14 +-
arch/um/configs/i386_defconfig | 1 -
arch/um/drivers/chan_user.c | 2 +
arch/um/drivers/hostaudio_kern.c | 2 +
arch/um/drivers/net_kern.c | 2 +-
arch/um/drivers/ubd_kern.c | 5 +-
arch/um/drivers/vector_kern.c | 3 +-
arch/um/drivers/vhost_user.h | 4 +-
arch/um/drivers/virtio_uml.c | 51 +++-
arch/um/include/asm/Kbuild | 1 -
arch/um/include/asm/current.h | 23 ++
arch/um/include/asm/page.h | 34 +--
arch/um/include/asm/pgalloc.h | 11 +-
arch/um/include/asm/pgtable-2level.h | 2 +-
.../asm/{pgtable-3level.h => pgtable-4level.h} | 59 ++--
arch/um/include/asm/pgtable.h | 83 ++---
arch/um/include/asm/processor-generic.h | 7 +-
arch/um/include/asm/thread_info.h | 18 --
arch/um/include/asm/tlbflush.h | 4 +-
arch/um/include/shared/as-layout.h | 10 +-
arch/um/include/shared/common-offsets.h | 15 -
arch/um/include/shared/kern_util.h | 1 -
arch/um/include/shared/mem_user.h | 5 +-
arch/um/include/shared/os.h | 15 +-
arch/um/include/shared/registers.h | 6 -
arch/um/include/shared/skas/stub-data.h | 12 +-
arch/um/include/shared/timetravel.h | 5 +-
arch/um/include/shared/user.h | 2 +-
arch/um/kernel/dtb.c | 1 +
arch/um/kernel/dyn.lds.S | 5 +-
arch/um/kernel/initrd.c | 1 +
arch/um/kernel/irq.c | 112 -------
arch/um/kernel/mem.c | 20 +-
arch/um/kernel/physmem.c | 39 +--
arch/um/kernel/process.c | 24 +-
arch/um/kernel/skas/.gitignore | 2 +
arch/um/kernel/skas/Makefile | 38 ++-
arch/um/kernel/skas/mmu.c | 28 +-
arch/um/kernel/skas/process.c | 4 +-
arch/um/kernel/skas/stub.c | 10 -
arch/um/kernel/skas/stub_exe.c | 95 ++++++
arch/um/kernel/skas/stub_exe_embed.S | 11 +
arch/um/kernel/sysrq.c | 8 +-
arch/um/kernel/time.c | 20 ++
arch/um/kernel/tlb.c | 74 ++---
arch/um/kernel/trap.c | 16 -
arch/um/kernel/um_arch.c | 75 ++---
arch/um/kernel/uml.lds.S | 2 -
arch/um/os-Linux/Makefile | 2 +
arch/um/os-Linux/file.c | 6 -
arch/um/os-Linux/main.c | 23 +-
arch/um/os-Linux/mem.c | 14 +-
arch/um/os-Linux/process.c | 88 +-----
arch/um/os-Linux/registers.c | 11 +-
arch/um/os-Linux/sigio.c | 1 +
arch/um/os-Linux/signal.c | 55 +---
arch/um/os-Linux/skas/mem.c | 21 --
arch/um/os-Linux/skas/process.c | 231 +++++++++-----
arch/um/os-Linux/umid.c | 2 +
arch/um/os-Linux/util.c | 4 +-
arch/x86/um/Kconfig | 12 +-
arch/x86/um/Makefile | 2 +-
arch/x86/um/asm/elf.h | 2 +
arch/x86/um/asm/ptrace.h | 10 +
arch/x86/um/os-Linux/Makefile | 2 +-
arch/x86/um/os-Linux/registers.c | 145 +++------
arch/x86/um/os-Linux/task_size.c | 151 ---------
arch/x86/um/ptrace.c | 267 ++++++++++++++++
arch/x86/um/ptrace_32.c | 84 ++----
arch/x86/um/ptrace_64.c | 43 +--
arch/x86/um/shared/sysdep/ptrace.h | 8 +-
arch/x86/um/shared/sysdep/ptrace_32.h | 4 -
arch/x86/um/shared/sysdep/ptrace_64.h | 4 -
arch/x86/um/shared/sysdep/ptrace_user.h | 6 -
arch/x86/um/shared/sysdep/stub_32.h | 18 +-
arch/x86/um/shared/sysdep/stub_64.h | 27 +-
arch/x86/um/signal.c | 336 +++++++--------------
arch/x86/um/user-offsets.c | 8 -
arch/x86/um/vdso/Makefile | 5 +-
arch/x86/um/vdso/checkundef.sh | 11 -
fs/hostfs/hostfs_kern.c | 5 +-
83 files changed, 1227 insertions(+), 1394 deletions(-)
create mode 100644 arch/um/include/asm/current.h
rename arch/um/include/asm/{pgtable-3level.h => pgtable-4level.h} (60%)
create mode 100644 arch/um/kernel/skas/.gitignore
create mode 100644 arch/um/kernel/skas/stub_exe.c
create mode 100644 arch/um/kernel/skas/stub_exe_embed.S
delete mode 100644 arch/x86/um/os-Linux/task_size.c
create mode 100644 arch/x86/um/ptrace.c
delete mode 100644 arch/x86/um/vdso/checkundef.sh
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