diff options
| author | Josh Poimboeuf <[email protected]> | 2016-10-26 10:41:48 -0500 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2016-10-27 08:32:37 +0200 |
| commit | c32c47c68a0ae701088c5b2c3798856ed16746ae (patch) | |
| tree | aa702a4f8e2f511edc3e12262556e6e2388391c1 /scripts/gcc-plugins/cyc_complexity_plugin.c | |
| parent | bb12d6740f6de393927362f23f833a79d85df384 (diff) | |
x86/unwind: Warn on bad frame pointer
Detect situations in the unwinder where the frame pointer refers to a
bad address, and print an appropriate warning.
Use printk_deferred_once() because the unwinder can be called with the
console lock by lockdep via save_stack_trace().
Signed-off-by: Josh Poimboeuf <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/03c888f6f7414d54fa56b393ea25482be6899b5f.1477496147.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'scripts/gcc-plugins/cyc_complexity_plugin.c')
0 files changed, 0 insertions, 0 deletions