linux-kernel - [PATCH 0/3] powerpc/ftrace: Reserve instructions from function entry for ftrace

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Date:   Thu, 17 Feb 2022 17:06:22 +0530
From:   "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Nicholas Piggin <npiggin@...il.com>, <bpf@...r.kernel.org>,
        <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 0/3] powerpc/ftrace: Reserve instructions from function entry for ftrace

Previously discussed here:
https://lore.kernel.org/20220207102454.41b1d6b5@gandalf.local.home

- Naveen


Naveen N. Rao (3):
  powerpc/ftrace: Reserve instructions from function entry for ftrace
  bpf/trampoline: Allow ftrace location to differ from trampoline attach
    address
  kprobes: Allow probing on any address belonging to ftrace

 arch/powerpc/include/asm/ftrace.h  |  15 ++++
 arch/powerpc/kernel/trace/ftrace.c | 110 ++++++++++++++++++++++++++---
 kernel/bpf/trampoline.c            |   2 -
 kernel/kprobes.c                   |  12 ++++
 kernel/trace/ftrace.c              |   2 +
 5 files changed, 129 insertions(+), 12 deletions(-)


base-commit: 1b43a74f255c5c00db25a5fedfd75ca0dc029022
-- 
2.35.1