linux-kernel - [GIT PULL] x86/vdso for v6.3-rc1

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Date:   Mon, 20 Feb 2023 19:26:32 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     x86-ml <x86@...nel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] x86/vdso for v6.3-rc1

Hi Linus,

please pull a bunch of x86 vdso improvements for 6.3.

Thx.

---

The following changes since commit 2241ab53cbb5cdb08a6b2d4688feb13971058f65:

  Linux 6.2-rc5 (2023-01-21 16:27:01 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_vdso_for_v6.3_rc1

for you to fetch changes up to dac0da428f8dfb23666ab4ea54a7768c152b857a:

  x86/vdso: Fix -Wmissing-prototypes warnings (2023-02-07 18:23:17 +0100)

----------------------------------------------------------------
- Add getcpu support for the 32-bit version of the vDSO

- Some smaller fixes

----------------------------------------------------------------
Borislav Petkov (AMD) (1):
      x86/vdso: Fix -Wmissing-prototypes warnings

Brian Gerst (1):
      x86/vdso: Move VDSO image init to vdso2c generated code

Sebastian Andrzej Siewior (4):
      x86/cpu: Provide the full setup for getcpu() on x86-32
      x86/vdso: Provide getcpu for x86-32.
      selftests: Emit a warning if getcpu() is missing on 32bit
      x86/vdso: Fake 32bit VDSO build on 64bit compile for vgetcpu

 arch/x86/entry/vdso/Makefile                  |  3 ++-
 arch/x86/entry/vdso/vdso2c.h                  |  6 ++++++
 arch/x86/entry/vdso/vdso32-setup.c            |  9 ---------
 arch/x86/entry/vdso/vdso32/fake_32bit_build.h | 25 +++++++++++++++++++++++++
 arch/x86/entry/vdso/vdso32/vclock_gettime.c   | 27 +--------------------------
 arch/x86/entry/vdso/vdso32/vdso32.lds.S       |  1 +
 arch/x86/entry/vdso/vdso32/vgetcpu.c          |  3 +++
 arch/x86/entry/vdso/vgetcpu.c                 |  3 +--
 arch/x86/entry/vdso/vma.c                     | 19 ++++---------------
 arch/x86/include/asm/processor.h              |  1 -
 arch/x86/include/asm/segment.h                |  8 ++++----
 arch/x86/include/asm/vdso.h                   |  2 +-
 arch/x86/include/asm/vdso/gettimeofday.h      |  2 ++
 arch/x86/include/asm/vdso/processor.h         |  4 ++++
 arch/x86/kernel/cpu/common.c                  |  5 +----
 tools/testing/selftests/x86/test_vsyscall.c   |  7 ++-----
 16 files changed, 57 insertions(+), 68 deletions(-)
 create mode 100644 arch/x86/entry/vdso/vdso32/fake_32bit_build.h
 create mode 100644 arch/x86/entry/vdso/vdso32/vgetcpu.c

-- 
Regards/Gruss,
    Boris.

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