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Andy Lutomirski authored
commit 7ddc6a21 upstream. These functions can be executed on the int3 stack, so kprobes are dangerous. Tracing is probably a bad idea, too. Fixes: b645af2d ("x86_64, traps: Rework bad_iret") Signed-off-by: Andy Lutomirski <luto@amacapital.net> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/50e33d26adca60816f3ba968875801652507d0c4.1416870125.git.luto@amacapital.netSigned-off-by: Ingo Molnar <mingo@kernel.org> [bwh: Backported to 3.2: - Use __kprobes instead of NOKPROBE_SYMBOL() - Don't use __visible] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> (cherry picked from commit 8ea4c465) Signed-off-by: Willy Tarreau <w@1wt.eu>
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