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

From: Tiezhu Yang
Date: Tue Jul 09 2024 - 05:55:21 EST


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(-)

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2.42.0