linux-kernel - [PATCH 0/3] ftrace: Add ftrace-direct-multi-modify sample module

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Date:   Mon,  6 Dec 2021 00:20:33 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Heiko Carstens <hca@...ux.ibm.com>
Subject: [PATCH 0/3] ftrace: Add ftrace-direct-multi-modify sample module

hi,
this patchset adds ftrace-direct-multi-modify.ko kernel module
that shows the usage of modify_ftrace_direct_multi API. Plus
two additional small fixes for ftrace direct code.

thanks,
jirka


---
Jiri Olsa (3):
      ftrace: Use direct_ops hash in unregister_ftrace_direct
      ftrace: Add cleanup to unregister_ftrace_direct_multi
      ftrace/samples: Add module to test multi direct modify interface

 kernel/trace/ftrace.c                       |   8 +++++++-
 samples/Kconfig                             |   8 ++++++++
 samples/ftrace/Makefile                     |   1 +
 samples/ftrace/ftrace-direct-multi-modify.c | 105 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 121 insertions(+), 1 deletion(-)
 create mode 100644 samples/ftrace/ftrace-direct-multi-modify.c