Messages in this thread | | | Date | Sat, 14 Sep 2013 09:49:18 -0700 | From | Randy Dunlap <> | Subject | Re: [PATCH] doc: fix some typos |
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On 09/13/13 20:49, Xishi Qiu wrote:
> diff --git a/Documentation/kprobes.txt b/Documentation/kprobes.txt > index 0cfb00f..ca278d5 100644 > --- a/Documentation/kprobes.txt > +++ b/Documentation/kprobes.txt > @@ -92,7 +92,7 @@ stack contents as the probed function. When it is done, the handler > calls jprobe_return(), which traps again to restore the original stack > contents and processor state and switch to the probed function. > > -By convention, the callee owns its arguments, so gcc may produce code
Are you sure about that? It looks correct to me (before the patch).
> +By convention, the caller owns its arguments, so gcc may produce code > that unexpectedly modifies that portion of the stack. This is why > Kprobes saves a copy of the stack and restores it after the jprobe > handler has run. Up to MAX_STACK_SIZE bytes are copied -- e.g., >
-- ~Randy
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