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Date:   Sun, 10 Oct 2021 23:26:30 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     aik@...abs.ru, christophe.leroy@...roup.eu, clg@...d.org,
        johan.almbladh@...finetworks.com, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, mahesh@...ux.ibm.com,
        naveen.n.rao@...ux.vnet.ibm.com, npiggin@...il.com,
        songliubraving@...com
Subject: [GIT PULL] Please pull powerpc/linux.git powerpc-5.15-3 tag

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Hash: SHA256

Hi Linus,

Please pull some more powerpc fixes for 5.15.

A bit of a big batch, partly because I didn't send any last week, and also just because
the BPF fixes happened to land this week.

cheers


The following changes since commit e4e737bb5c170df6135a127739a9e6148ee3da82:

  Linux 5.15-rc2 (2021-09-19 17:28:22 -0700)

are available in the git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git tags/powerpc-5.15-3

for you to fetch changes up to eb8257a12192f43ffd41bd90932c39dade958042:

  pseries/eeh: Fix the kdump kernel crash during eeh_pseries_init (2021-10-07 23:37:22 +1100)

- ------------------------------------------------------------------
powerpc fixes for 5.15 #3

Fix a regression hit by the IPR SCSI driver, introduced by the recent addition of MSI
domains on pseries.

A big series including 8 BPF fixes, some with potential security impact and the rest
various code generation issues.

Fix our program check assembler entry path, which was accidentally jumping into a gas
macro and generating strange stack frames, which could confuse find_bug().

A couple of fixes, and related changes, to fix corner cases in our machine check handling.

Fix our DMA IOMMU ops, which were not always returning the optimal DMA mask, leading to
at least one device falling back to 32-bit DMA when it shouldn't.

A fix for KUAP handling on 32-bit Book3S.

Fix crashes seen when kdumping on some pseries systems.

Thanks to: Naveen N. Rao, Nicholas Piggin, Alexey Kardashevskiy, Cédric Le Goater,
Christophe Leroy, Mahesh Salgaonkar, Abdul Haleem, Christoph Hellwig, Johan Almbladh, Stan
Johnson.

- ------------------------------------------------------------------
Alexey Kardashevskiy (1):
      powerpc/iommu: Report the correct most efficient DMA mask for PCI devices

Christophe Leroy (1):
      powerpc/32s: Fix kuap_kernel_restore()

Cédric Le Goater (1):
      powerpc/pseries/msi: Add an empty irq_write_msi_msg() handler

Mahesh Salgaonkar (1):
      pseries/eeh: Fix the kdump kernel crash during eeh_pseries_init

Naveen N. Rao (10):
      powerpc/lib: Add helper to check if offset is within conditional branch range
      powerpc/bpf: Validate branch ranges
      powerpc/bpf: Fix BPF_MOD when imm == 1
      powerpc/bpf: Fix BPF_SUB when imm == 0x80000000
      powerpc/security: Add a helper to query stf_barrier type
      powerpc/bpf: Emit stf barrier instruction sequences for BPF_NOSPEC
      powerpc/bpf ppc32: Fix ALU32 BPF_ARSH operation
      powerpc/bpf ppc32: Fix JMP32_JSET_K
      powerpc/bpf ppc32: Do not emit zero extend instruction for 64-bit BPF_END
      powerpc/bpf ppc32: Fix BPF_SUB when imm == 0x80000000

Nicholas Piggin (5):
      powerpc/64s: fix program check interrupt emergency stack path
      powerpc/traps: do not enable irqs in _exception
      powerpc/64: warn if local irqs are enabled in NMI or hardirq context
      powerpc/64/interrupt: Reconcile soft-mask state in NMI and fix false BUG
      powerpc/64s: Fix unrecoverable MCE calling async handler from NMI


 arch/powerpc/include/asm/book3s/32/kup.h     |   8 ++
 arch/powerpc/include/asm/code-patching.h     |   1 +
 arch/powerpc/include/asm/interrupt.h         |  18 ++--
 arch/powerpc/include/asm/security_features.h |   5 +
 arch/powerpc/kernel/dma-iommu.c              |   9 ++
 arch/powerpc/kernel/exceptions-64s.S         |  25 +++--
 arch/powerpc/kernel/irq.c                    |   6 ++
 arch/powerpc/kernel/security.c               |   5 +
 arch/powerpc/kernel/traps.c                  |  43 +++++----
 arch/powerpc/lib/code-patching.c             |   7 +-
 arch/powerpc/net/bpf_jit.h                   |  33 ++++---
 arch/powerpc/net/bpf_jit64.h                 |   8 +-
 arch/powerpc/net/bpf_jit_comp.c              |   6 +-
 arch/powerpc/net/bpf_jit_comp32.c            |  16 ++--
 arch/powerpc/net/bpf_jit_comp64.c            | 100 ++++++++++++++++----
 arch/powerpc/platforms/pseries/eeh_pseries.c |   4 +
 arch/powerpc/platforms/pseries/msi.c         |  15 +++
 17 files changed, 234 insertions(+), 75 deletions(-)
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