[GIT PULL] UML changes for v6.4

[Richard Weinberger]

Linus,

The following changes since commit 7e364e56293bb98cae1b55fd835f5991c4e96e7d:

  Linux 6.3-rc5 (2023-04-02 14:29:29 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux.git tags/uml-for-linus-6.4-rc1

for you to fetch changes up to 6032aca0deb9c138df122192f8ef02de1fdccf25:

  um: make stub data pages size tweakable (2023-04-20 23:08:43 +0200)

----------------------------------------------------------------
This pull request contains the following changes for UML:

- Make stub data pages configurable
- Make it harder to mix user and kernel code by accident

----------------------------------------------------------------
Johannes Berg (6):
      um: add __weak for exported functions
      um: hostfs: define our own API boundary
      um: don't export printf()
      um: further clean up user_syms
      um: prevent user code in modules
      um: make stub data pages size tweakable

 arch/um/include/shared/as-layout.h  |   3 +-
 arch/um/kernel/skas/clone.c         |   5 +-
 arch/um/kernel/skas/mmu.c           |   6 +--
 arch/um/kernel/um_arch.c            |  10 ++--
 arch/um/os-Linux/skas/process.c     |   6 +--
 arch/um/os-Linux/user_syms.c        | 104 ++++++------------------------------
 arch/um/scripts/Makefile.rules      |   4 +-
 arch/x86/um/shared/sysdep/stub_32.h |   8 +--
 arch/x86/um/shared/sysdep/stub_64.h |   8 +--
 arch/x86/um/stub_segv.c             |   2 +-
 fs/Makefile                         |   2 +-
 fs/hostfs/Makefile                  |   6 ++-
 fs/hostfs/hostfs_user_exp.c         |  28 ++++++++++
 13 files changed, 78 insertions(+), 114 deletions(-)
 create mode 100644 fs/hostfs/hostfs_user_exp.c