On Tue, 29 Aug 2023 16:34:54 +1000, Benjamin Gray wrote:

When enabling debug config options relating to preemption, several bugs
appear in the kernel log. With this series applied, the breakpoint code
no longer prints bugs when running the powerpc/ptrace selftests.

Benjamin Gray (3):
  powerpc/watchpoints: Disable preemption in thread_change_pc()
  powerpc/watchpoint: Disable pagefaults when getting user instruction
  powerpc/watchpoints: Annotate atomic context in more places

[...]

Applied to powerpc/fixes.

[1/3] powerpc/watchpoints: Disable preemption in thread_change_pc()
      https://git.kernel.org/powerpc/c/cc879ab3ce39bc39f9b1d238b283f43a5f6f957d
[2/3] powerpc/watchpoint: Disable pagefaults when getting user instruction
      https://git.kernel.org/powerpc/c/3241f260eb830d27d09cc604690ec24533fdb433
[3/3] powerpc/watchpoints: Annotate atomic context in more places
      https://git.kernel.org/powerpc/c/27646b2e02b096a6936b3e3b6ba334ae20763eab

cheers