linux-kernel - [GIT PULL] x86/asm for 5.19

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Message-ID: <Yot71lIAXOrrh390@zn.tnic>
Date:   Mon, 23 May 2022 14:19:34 +0200
From:   Borislav Petkov <bp@...e.de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     x86-ml <x86@...nel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] x86/asm for 5.19

Hi Linus,

please pull a set of x86/asm changes for 5.19.

Thx.

---

The following changes since commit 672c0c5173427e6b3e2a9bbb7be51ceeec78093a:

  Linux 5.18-rc5 (2022-05-01 13:57:58 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_asm_for_v5.19_rc1

for you to fetch changes up to 036c07c0c3b8a57d5c96e1f2aab62da0056f8f21:

  x86/entry: Fix register corruption in compat syscall (2022-05-19 23:46:08 +0200)

----------------------------------------------------------------
- A bunch of changes towards streamlining low level asm helpers' calling
conventions so that former can be converted to C eventually

- Simplify PUSH_AND_CLEAR_REGS so that it can be used at the system call
entry paths instead of having opencoded, slightly different variants of it
everywhere

- Misc other fixes

----------------------------------------------------------------
Josh Poimboeuf (2):
      x86/mm: Simplify RESERVE_BRK()
      x86/entry: Fix register corruption in compat syscall

Lai Jiangshan (6):
      x86/traps: Use pt_regs directly in fixup_bad_iret()
      x86/entry: Switch the stack after error_entry() returns
      x86/entry: Move PUSH_AND_CLEAR_REGS out of error_entry()
      x86/entry: Move CLD to the start of the idtentry macro
      x86/entry: Don't call error_entry() for XENPV
      x86/entry: Convert SWAPGS to swapgs and remove the definition of SWAPGS

Linus Torvalds (1):
      x86/entry: Simplify entry_INT80_compat()

Peter Zijlstra (4):
      x86/entry: Use PUSH_AND_CLEAR_REGS for compat
      x86/entry: Remove skip_r11rcx
      linkage: Fix issue with missing symbol size
      objtool: Fix STACK_FRAME_NON_STANDARD reloc type

 arch/x86/entry/calling.h         |  19 +++----
 arch/x86/entry/entry_64.S        |  56 ++++++++++++++-------
 arch/x86/entry/entry_64_compat.S | 106 +++++----------------------------------
 arch/x86/include/asm/irqflags.h  |   8 ---
 arch/x86/include/asm/setup.h     |  30 ++++-------
 arch/x86/include/asm/traps.h     |   2 +-
 arch/x86/kernel/traps.c          |  19 +++----
 include/linux/linkage.h          |  15 +++---
 include/linux/objtool.h          |   4 +-
 tools/include/linux/objtool.h    |   4 +-
 10 files changed, 86 insertions(+), 177 deletions(-)

-- 
Regards/Gruss,
    Boris.

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