kprobes: indirectly call kprobe_target

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Call kprobe_target indirectly.  This prevents gcc to unroll a noinline
function in caller function.

I ported patches which had been discussed on
http://sources.redhat.com/bugzilla/show_bug.cgi?id=3542

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: David Miller <davem@davemloft.net>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

...

This commit is contained in:

Masami Hiramatsu 2009-01-06 14:41:47 -08:00 • committed by Linus Torvalds

parent bc2f70151f

commit 8e1144050e

1 changed files with 6 additions and 15 deletions

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kernel/test_kprobes.c

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