Two tracing fixes:

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- Add mutex protection to ring_buffer_reset()
 
 - Fix deadlock in modify_ftrace_direct_multi()
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Merge tag 'trace-v5.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Two locking fixes:

   - Add mutex protection to ring_buffer_reset()

   - Fix deadlock in modify_ftrace_direct_multi()"

* tag 'trace-v5.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  ftrace/direct: Fix lockup in modify_ftrace_direct_multi
  ring-buffer: Protect ring_buffer_reset() from reentrancy

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This commit is contained in:

Linus Torvalds 2021-11-11 10:16:33 -08:00

parent f54ca91fe6 2e6e9058d1

commit 600b18f88f

2 changed files with 7 additions and 1 deletions

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3

kernel/trace/ftrace.c

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5

kernel/trace/ring_buffer.c

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