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| author |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-10-25 10:06:04 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-10-25 10:06:04 +0200 |
| commit | 0fc4f78f44e6c6148cee32456f0d0023ec1c1fd8 (patch) | |
| tree | 71c906207227dd8753a0191db9304035ec3471a4 /drivers/dma-buf/Kconfig | |
| parent | dma-buf/fence: add an lockdep_assert_held() (diff) | |
| parent | Merge tag 'drm-intel-next-2016-10-24' of git://anongit.freedesktop.org/drm-intel into drm-next (diff) | |
| download | linux-dev-0fc4f78f44e6c6148cee32456f0d0023ec1c1fd8.tar.xz linux-dev-0fc4f78f44e6c6148cee32456f0d0023ec1c1fd8.zip | |
Merge remote-tracking branch 'airlied/drm-next' into topic/drm-misc
Backmerge latest drm-next to have a baseline for the
s/fence/dma_fence/ patch from Chris.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/dma-buf/Kconfig')
| -rw-r--r-- | drivers/dma-buf/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig index 25bcfa0b474f..2585821b24ab 100644 --- a/drivers/dma-buf/Kconfig +++ b/drivers/dma-buf/Kconfig @@ -17,4 +17,17 @@ config SYNC_FILE Files fds, to the DRM driver for example. More details at Documentation/sync_file.txt. +config SW_SYNC + bool "Sync File Validation Framework" + default n + depends on SYNC_FILE + depends on DEBUG_FS + ---help--- + A sync object driver that uses a 32bit counter to coordinate + synchronization. Useful when there is no hardware primitive backing + the synchronization. + + WARNING: improper use of this can result in deadlocking kernel + drivers from userspace. Intended for test and debug only. + endmenu |