[GIT PULL] x86/alternatives for v6.3-rc1

[Borislav Petkov]

Hi Linus,

please pull some x86 alternatives improvements for 6.3.

Thx.

---

The following changes since commit 1b929c02afd37871d5afb9d498426f83432e71c2:

  Linux 6.2-rc1 (2022-12-25 13:41:39 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_alternatives_for_v6.3_rc1

for you to fetch changes up to 923510c88d2b7d947c4217835fd9ca6bd65cc56c:

  x86/static_call: Add support for Jcc tail-calls (2023-01-31 15:05:31 +0100)

----------------------------------------------------------------
- Teach the static_call patching infrastructure to handle conditional
tall calls properly which can be static calls too

- Add proper struct alt_instr.flags which controls different aspects of
  insn patching behavior

----------------------------------------------------------------
Borislav Petkov (AMD) (1):
      x86/alternatives: Add alt_instr.flags

Peter Zijlstra (3):
      x86/alternatives: Introduce int3_emulate_jcc()
      x86/alternatives: Teach text_poke_bp() to patch Jcc.d32 instructions
      x86/static_call: Add support for Jcc tail-calls

 arch/x86/include/asm/alternative.h            | 132 +++++++++++++++-----------
 arch/x86/include/asm/text-patching.h          |  31 ++++++
 arch/x86/kernel/alternative.c                 |  76 ++++++++++-----
 arch/x86/kernel/kprobes/core.c                |  38 ++------
 arch/x86/kernel/static_call.c                 |  50 +++++++++-
 tools/objtool/arch/x86/include/arch/special.h |   6 +-
 6 files changed, 218 insertions(+), 115 deletions(-)

-- 
Regards/Gruss,
    Boris.

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