linux-kernel - [GIT PULL] RISC-V Fixes for 6.2-rc8

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Date:   Fri, 10 Feb 2023 08:02:47 -0800 (PST)
From:   Palmer Dabbelt <palmer@...osinc.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
CC:         linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [GIT PULL] RISC-V Fixes for 6.2-rc8

The following changes since commit 2f394c0e7d1129a35156e492bc8f445fb20f43ac:

  riscv: disable generation of unwind tables (2023-02-01 20:51:57 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git tags/riscv-for-linus-6.2-rc8

for you to fetch changes up to 950b879b7f0251317d26bae0687e72592d607532:

  riscv: Fixup race condition on PG_dcache_clean in flush_icache_pte (2023-02-09 11:40:32 -0800)

----------------------------------------------------------------
RISC-V Fixes for 6.2-rc8

* A fix to avoid partial TLB fences for huge pages, which are disallowed
  by the ISA.
* A fix to to avoid missing a frame when dumping stacks.
* A fix to avoid misaligned accesses (and possibly overflows) in
  kprobes.
* A fix for a race condition in tracking page dirtiness.

----------------------------------------------------------------
This is a little bigger that I'd hope for this late in the cycle, but they're
all pretty concrete fixes and the only one that's bigger than a few lines is
pmdp_collapse_flush() (which is almost all boilerplate/comment).  It's also all
bug fixes for issues that have been around for a while.

So I think it's not all that scary, just bad timing.

----------------------------------------------------------------
Guo Ren (2):
      riscv: kprobe: Fixup misaligned load text
      riscv: Fixup race condition on PG_dcache_clean in flush_icache_pte

Liu Shixin (1):
      riscv: stacktrace: Fix missing the first frame

Mayuresh Chitale (1):
      riscv: mm: Implement pmdp_collapse_flush for THP

 arch/riscv/include/asm/pgtable.h   |  4 ++++
 arch/riscv/kernel/probes/kprobes.c |  8 +++++---
 arch/riscv/kernel/stacktrace.c     |  3 ++-
 arch/riscv/mm/cacheflush.c         |  4 +++-
 arch/riscv/mm/pgtable.c            | 20 ++++++++++++++++++++
 5 files changed, 34 insertions(+), 5 deletions(-)