search for: 6116e3b

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2012 Apr 22
1
[PATCH 1/5] drm: add optional per device rwsem for all ioctls
...Marcin Slusarz <marcin.slusarz at gmail.com> --- drivers/gpu/drm/drm_drv.c | 6 ++++++ drivers/gpu/drm/drm_stub.c | 2 ++ include/drm/drmP.h | 4 ++++ 3 files changed, 12 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 6116e3b..c54e9f8 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -464,6 +464,9 @@ long drm_ioctl(struct file *filp, } else memset(kdata, 0, usize); + if (dev->driver->ioctls_need_rwsem) + down_read(&dev->ioctls_rwsem); + if (ioctl->flags & DRM_UN...