tree 40d36d893a8bf64e89b6eb031da7f6f8fe279bc3
parent 8222d718b3ad3ae49c48f69ae4b6a1128c9a92cf
author Masami Hiramatsu <mhiramat@redhat.com> 1251393812 -0400
committer Frederic Weisbecker <fweisbec@gmail.com> 1251594955 +0200

kprobes: Prohibit to probe native_get_debugreg

Since do_debug() calls get_debugreg(), native_get_debugreg() will be
called from singlestepping. This can cause an int3 infinite loop.

We can't put it in the .text.kprobes section because it is inlined,
then we blacklist its name.

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
LKML-Reference: <20090827172332.8246.34194.stgit@localhost.localdomain>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>