diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-05-26 15:16:25 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-07 18:14:37 -0700 |
| commit | 7d0b494532b703da654f96389804f491a6594bbb (patch) | |
| tree | 3f45f831ae6a3cfb80fe86f620b0c4d267904968 /scripts | |
| parent | 98c28450538d0a191d031cce8852e568b62a1127 (diff) | |
dma-debug: avoid spinlock recursion when disabling dma-debug
commit 3017cd63f26fc655d56875aaf497153ba60e9edf upstream.
With netconsole (at least) the pr_err("... disablingn") call can
recurse back into the dma-debug code, where it'll try to grab
free_entries_lock again. Avoid the problem by doing the printk after
dropping the lock.
Link: http://lkml.kernel.org/r/1463678421-18683-1-git-send-email-ville.syrjala@linux.intel.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'scripts')
0 files changed, 0 insertions, 0 deletions