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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2014-04-17 10:16:58 +0200
committerIngo Molnar <mingo@kernel.org>2014-04-24 10:02:56 +0200
commitbe8f274323c26ddc7e6fd6c44254b7abcdbe6389 (patch)
tree01988f9374f3f8ad257d38b7f636efa297455b90 /Documentation/kprobes.txt
parentkprobes/x86: Allow to handle reentered kprobe on single-stepping (diff)
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kprobes: Prohibit probing on .entry.text code
.entry.text is a code area which is used for interrupt/syscall entries, which includes many sensitive code. Thus, it is better to prohibit probing on all of such code instead of a part of that. Since some symbols are already registered on kprobe blacklist, this also removes them from the blacklist. Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Reviewed-by: Steven Rostedt <rostedt@goodmis.org> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David S. Miller <davem@davemloft.net> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Jonathan Lebon <jlebon@redhat.com> Cc: Seiji Aguchi <seiji.aguchi@hds.com> Link: http://lkml.kernel.org/r/20140417081658.26341.57354.stgit@ltc230.yrl.intra.hitachi.co.jp Signed-off-by: Ingo Molnar <mingo@kernel.org>
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