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[0/5] powerpc/kprobes: fixes and cleanups

Message ID cover.1621416666.git.naveen.n.rao@linux.vnet.ibm.com (mailing list archive)
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Series powerpc/kprobes: fixes and cleanups | expand

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Naveen N. Rao May 19, 2021, 10:47 a.m. UTC 
Various fixes and some code refactoring for kprobes on powerpc. The 
first patch fixes an invalid access if probing the first instruction in 
a kernel module. The rest are small cleanups. More details in the 
individual patches.

- Naveen

Naveen N. Rao (5):
  powerpc/kprobes: Fix validation of prefixed instructions across page
    boundary
  powerpc/kprobes: Roll IS_RFI() macro into IS_RFID()
  powerpc/kprobes: Check instruction validity during kprobe registration
  powerpc/kprobes: Refactor arch_prepare_kprobe()
  powerpc/kprobes: Warn if instruction patching failed

 arch/powerpc/include/asm/sstep.h |   7 +-
 arch/powerpc/kernel/kprobes.c    | 112 +++++++++++--------------------
 2 files changed, 43 insertions(+), 76 deletions(-)


base-commit: 3a81c0495fdb91fd9a9b4f617098c283131eeae1

Comments

Michael Ellerman June 6, 2021, 11:34 a.m. UTC | #1 
On Wed, 19 May 2021 16:17:16 +0530, Naveen N. Rao wrote:
> Various fixes and some code refactoring for kprobes on powerpc. The
> first patch fixes an invalid access if probing the first instruction in
> a kernel module. The rest are small cleanups. More details in the
> individual patches.
> 
> - Naveen
> 
> [...]

Patch 1 applied to powerpc/fixes.

[1/5] powerpc/kprobes: Fix validation of prefixed instructions across page boundary
      https://git.kernel.org/powerpc/c/82123a3d1d5a306fdf50c968a474cc60fe43a80f

cheers
Michael Ellerman June 26, 2021, 10:37 a.m. UTC | #2 
On Wed, 19 May 2021 16:17:16 +0530, Naveen N. Rao wrote:
> Various fixes and some code refactoring for kprobes on powerpc. The
> first patch fixes an invalid access if probing the first instruction in
> a kernel module. The rest are small cleanups. More details in the
> individual patches.
> 
> - Naveen
> 
> [...]

Applied to powerpc/next.

[5/5] powerpc/kprobes: Warn if instruction patching failed
      https://git.kernel.org/powerpc/c/12b58492e60bf5a31d7f41e8a6f8ceb6f87e710e

cheers
Michael Ellerman June 26, 2021, 10:46 a.m. UTC | #3 
On Wed, 19 May 2021 16:17:16 +0530, Naveen N. Rao wrote:
> Various fixes and some code refactoring for kprobes on powerpc. The
> first patch fixes an invalid access if probing the first instruction in
> a kernel module. The rest are small cleanups. More details in the
> individual patches.
> 
> - Naveen
> 
> [...]

Patch 2 applied to powerpc/next.

[2/5] powerpc/kprobes: Roll IS_RFI() macro into IS_RFID()
      https://git.kernel.org/powerpc/c/0566fa760d235c119cef92119efc3ab11486a08a

cheers