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author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2014-06-14 06:47:12 +0000 |
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committer | Ingo Molnar <mingo@kernel.org> | 2014-06-14 09:07:44 +0200 |
commit | 4cdf77a828b056258f48a9f6078bd2f77d9704bb (patch) | |
tree | 2a7a904eddc42c595c6a82204a9032b97d0c071f /scripts/headers.sh | |
parent | ed9ea4ed3a44e8f8e8c7e8a12a05fd73f9ae1fb4 (diff) | |
download | linux-4cdf77a828b056258f48a9f6078bd2f77d9704bb.tar.gz linux-4cdf77a828b056258f48a9f6078bd2f77d9704bb.tar.bz2 linux-4cdf77a828b056258f48a9f6078bd2f77d9704bb.zip |
x86/kprobes: Fix build errors and blacklist context_track_user
This essentially reverts commit:
ecd50f714c42 ("kprobes, x86: Call exception_enter after kprobes handled")
since it causes build errors with CONFIG_CONTEXT_TRACKING and
that has been made from misunderstandings;
context_track_user_*() don't involve much in interrupt context,
it just returns if in_interrupt() is true.
Instead of changing the do_debug/int3(), this just adds
context_track_user_*() to kprobes blacklist, since those are
still can be called right before kprobes handles int3 and debug
exceptions, and probing those will cause an infinite loop.
Reported-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Kees Cook <keescook@chromium.org>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Seiji Aguchi <seiji.aguchi@hds.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Kees Cook <keescook@chromium.org>
Link: http://lkml.kernel.org/r/20140614064711.7865.45957.stgit@kbuild-fedora.novalocal
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'scripts/headers.sh')
0 files changed, 0 insertions, 0 deletions