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| author | Arnd Bergmann <arnd@arndb.de> | 2010-08-27 08:55:28 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-08-27 09:10:28 +1000 |
| commit | 08f2e669a81b5906adf6e4716f92d99d7966d224 (patch) | |
| tree | be304dca3a8d141cfd6d27c40afd45aa1ea7b34a /drivers/gpu/drm/drm_lock.c | |
| parent | 12acd90f0b97a4ce4574ca1e951cbca026e92560 (diff) | |
| download | linux-08f2e669a81b5906adf6e4716f92d99d7966d224.tar.gz linux-08f2e669a81b5906adf6e4716f92d99d7966d224.tar.bz2 linux-08f2e669a81b5906adf6e4716f92d99d7966d224.zip | |
drm: fix regression in drm locking since BKL removal.
This locking path needs proper auditing but probably too late for changes at this point for 2.6.36, so lets go with the quick fix, which is to drop the lock around schedule.
Reported-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_lock.c')
| -rw-r--r-- | drivers/gpu/drm/drm_lock.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c index e2f70a516c34..9bf93bc9a32c 100644 --- a/drivers/gpu/drm/drm_lock.c +++ b/drivers/gpu/drm/drm_lock.c @@ -92,7 +92,9 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) } /* Contention */ + mutex_unlock(&drm_global_mutex); schedule(); + mutex_lock(&drm_global_mutex); if (signal_pending(current)) { ret = -EINTR; break; |