diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-01-13 09:58:37 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2010-01-13 10:08:50 +0100 |
commit | 61405fea92c42d072d9b8bd189689f1502a838af (patch) | |
tree | 013ea3e7ed71f4114004d5852d40b6e89e128f76 /drivers/gpu/drm/drm_drv.c | |
parent | 9c443dfdd31eddea6cbe6ee0ca469fbcc4e1dc3b (diff) | |
parent | 1703f2c321a8a531c393e137a82602e16c6061cb (diff) |
Merge branch 'perf/urgent' into perf/core
Merge reason: queue up dependent patch, update to -rc4
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/gpu/drm/drm_drv.c')
-rw-r--r-- | drivers/gpu/drm/drm_drv.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index ff2f1042cb4..766c46875a2 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -434,11 +434,11 @@ static int drm_version(struct drm_device *dev, void *data, * Looks up the ioctl function in the ::ioctls table, checking for root * previleges if so required, and dispatches to the respective function. */ -int drm_ioctl(struct inode *inode, struct file *filp, +long drm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { struct drm_file *file_priv = filp->private_data; - struct drm_device *dev = file_priv->minor->dev; + struct drm_device *dev; struct drm_ioctl_desc *ioctl; drm_ioctl_t *func; unsigned int nr = DRM_IOCTL_NR(cmd); @@ -446,6 +446,7 @@ int drm_ioctl(struct inode *inode, struct file *filp, char stack_kdata[128]; char *kdata = NULL; + dev = file_priv->minor->dev; atomic_inc(&dev->ioctl_count); atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]); ++file_priv->ioctl_count; @@ -501,7 +502,13 @@ int drm_ioctl(struct inode *inode, struct file *filp, goto err_i1; } } - retcode = func(dev, kdata, file_priv); + if (ioctl->flags & DRM_UNLOCKED) + retcode = func(dev, kdata, file_priv); + else { + lock_kernel(); + retcode = func(dev, kdata, file_priv); + unlock_kernel(); + } if (cmd & IOC_OUT) { if (copy_to_user((void __user *)arg, kdata, |