Re: [PATCH 2/2] tracing: syscall_regfunc() should not skip kernel threads
From: David Howells
Date: Tue Mar 19 2013 - 11:10:59 EST
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> Why? If we remove the tracepoint from the slowpath and use a table swap,
> then we wouldn't need to use the slowpath at all.
How are you engineering a table swap? Do you patch the system call code to
change the immediate address loaded or do you put in a level of indirection?
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