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

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Message-ID: <20240709095506.9691-1-yangtiezhu@loongson.cn>
Date: Tue,  9 Jul 2024 17:55:03 +0800
From: Tiezhu Yang <yangtiezhu@...ngson.cn>
To: Will Deacon <will@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Russell King <linux@...linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Oleg Nesterov <oleg@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org,
	linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 0/3] hw_breakpoint: Save privilege of access control via ptrace

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(-)

-- 
2.42.0