[v3,0/3] hw_breakpoint: Save privilege of access control via ptrace

Message

Tiezhu Yang July 9, 2024, 9:55 a.m. UTC

v3:
  -- Put the new member "bp_priv" lives in a union on config3
     at the end of the uapi struct perf_event_attr.
  -- Update the commit message to make the goal common and clear.

v2:
  -- Put the new member "bp_priv" at the end of the uapi
     struct perf_event_attr and add PERF_ATTR_SIZE_VER9.
  -- Update the commit message to make the goal clear.

Tiezhu Yang (3):
  perf: Add perf_event_attr::bp_priv
  arm: hw_breakpoint: Save privilege of access control via ptrace
  arm64: hw_breakpoint: Save privilege of access control via ptrace

 arch/arm/kernel/hw_breakpoint.c   |  4 +---
 arch/arm/kernel/ptrace.c          |  2 ++
 arch/arm64/kernel/hw_breakpoint.c | 11 ++---------
 arch/arm64/kernel/ptrace.c        |  2 ++
 include/uapi/linux/perf_event.h   |  5 ++++-
 kernel/events/hw_breakpoint.c     |  1 +
 6 files changed, 12 insertions(+), 13 deletions(-)