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Message-ID: <f669eb1e-20af-4923-b328-f31bea4f7dbb@infradead.org>
Date: Sat, 23 Dec 2023 11:30:22 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Matthew Cassell <mcassell411@...il.com>, corbet@....net
Cc: linux-doc@...r.kernel.org, trivial@...nel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Documentation/trace: Fixed typos in the ftrace FLAGS
section
On 12/23/23 10:58, Matthew Cassell wrote:
> Fixed typos in the FTRACE_OPS_FL_RECURSION flag description.
>
> Signed-off-by: Matthew Cassell <mcassell411@...il.com>
Reviewed-by: Randy Dunlap <rdunlap@...radead.org>
Thanks.
> ---
> Documentation/trace/ftrace-uses.rst | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/trace/ftrace-uses.rst b/Documentation/trace/ftrace-uses.rst
> index f7d98ae5b885..e198854ace79 100644
> --- a/Documentation/trace/ftrace-uses.rst
> +++ b/Documentation/trace/ftrace-uses.rst
> @@ -182,7 +182,7 @@ FTRACE_OPS_FL_SAVE_REGS_IF_SUPPORTED
>
> FTRACE_OPS_FL_RECURSION
> By default, it is expected that the callback can handle recursion.
> - But if the callback is not that worried about overehead, then
> + But if the callback is not that worried about overhead, then
> setting this bit will add the recursion protection around the
> callback by calling a helper function that will do the recursion
> protection and only call the callback if it did not recurse.
> @@ -190,7 +190,7 @@ FTRACE_OPS_FL_RECURSION
> Note, if this flag is not set, and recursion does occur, it could
> cause the system to crash, and possibly reboot via a triple fault.
>
> - Not, if this flag is set, then the callback will always be called
> + Note, if this flag is set, then the callback will always be called
> with preemption disabled. If it is not set, then it is possible
> (but not guaranteed) that the callback will be called in
> preemptable context.
--
#Randy
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