linux-kernel - [GIT PULL] parisc architecture fixes and updates for v6.12-rc1

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Message-ID: <Zumu14EgYx4LhqTx@p100>
Date: Tue, 17 Sep 2024 18:31:19 +0200
From: Helge Deller <deller@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-parisc@...r.kernel.org,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	John David Anglin <dave.anglin@...l.net>
Subject: [GIT PULL] parisc architecture fixes and updates for v6.12-rc1

Hi Linus,

Please pull the parisc architecture fixes and updates for 6.12-rc1, which
includes:

- On parisc we now use the generic clockevent framework for timekeeping.

- Although there is no 64-bit glibc/userspace for parisc yet, for testing
  purposes one can run statically linked 64-bit binaries. This patchset
  contains two patches which fix 64-bit userspace which has been broken since
  kernel 4.19.

- Fix the userspace stack position and size when the ADDR_NO_RANDOMIZE
  personality is enabled.

- On other architectures mmap(MAP_GROWSDOWN | MAP_STACK) creates a
  downward-growing stack. On parisc mmap(MAP_STACK) is now sufficient
  to create an upward-growing stack.

Thanks!
Helge

----------------------------------------------------------------
The following changes since commit da3ea35007d0af457a0afc87e84fddaebc4e0b63:

  Linux 6.11-rc7 (2024-09-08 14:50:28 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git tags/parisc-for-6.12-rc1

for you to fetch changes up to 5d698966fa7b452035c44c937d704910bf3440dd:

  parisc: Allow mmap(MAP_STACK) memory to automatically expand upwards (2024-09-16 23:01:43 +0200)

----------------------------------------------------------------
parisc architecture fixes and updates for kernel v6.12-rc1:

- Convert parisc to the generic clockevents framework
- Fix syscall and mm for 64-bit userspace
- Fix stack start when ADDR_NO_RANDOMIZE personality is set
- Fix mmap(MAP_STACK) to map upward growing expandable memory on parisc

----------------------------------------------------------------
Helge Deller (6):
      parisc: Convert to generic clockevents
      parisc: Fix stack start for ADDR_NO_RANDOMIZE personality
      parisc: Fix 64-bit userspace syscall path
      parisc: Fix itlb miss handler for 64-bit programs
      parisc: Use PRIV_USER instead of hardcoded value
      parisc: Allow mmap(MAP_STACK) memory to automatically expand upwards

Hongbo Li (1):
      parisc: pdc_stable: Constify struct kobj_type

 arch/parisc/Kconfig                 |   2 +-
 arch/parisc/include/asm/mman.h      |  14 ++
 arch/parisc/include/asm/processor.h |   2 +-
 arch/parisc/kernel/entry.S          |   6 +-
 arch/parisc/kernel/smp.c            |   2 +-
 arch/parisc/kernel/syscall.S        |  14 +-
 arch/parisc/kernel/time.c           | 261 +++++++++++++++---------------------
 arch/parisc/kernel/traps.c          |   2 +-
 drivers/parisc/pdc_stable.c         |   2 +-
 fs/exec.c                           |   3 +-
 10 files changed, 136 insertions(+), 172 deletions(-)