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authorVille Syrjälä <ville.syrjala@linux.intel.com>2016-05-26 15:16:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-26 15:35:44 -0700
commit3017cd63f26fc655d56875aaf497153ba60e9edf (patch)
treeca4768c5cf6ac13344bc289c66a7f1e2bcdba3c5 /mm
parent7ef949d77f95f0d129f0d404b336459a34a00101 (diff)
downloadlinux-3017cd63f26fc655d56875aaf497153ba60e9edf.tar.bz2
dma-debug: avoid spinlock recursion when disabling dma-debug
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> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions