x86/msr-index: Cleanup bit defines

[mirror_ubuntu-bionic-kernel.git] / drivers / dma-buf / Kconfig

diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig
index 25bcfa0b474fe3bf9c2584ecd4aa799a7262c0c8..ed3b785bae37e1cd589697f04d1b868dc2fccd9b 100644 (file)
--- a/drivers/dma-buf/Kconfig
+++ b/drivers/dma-buf/Kconfig
@@ -7,7 +7,7 @@ config SYNC_FILE
        select DMA_SHARED_BUFFER
        ---help---
          The Sync File Framework adds explicit syncronization via
-         userspace. It enables send/receive 'struct fence' objects to/from
+         userspace. It enables send/receive 'struct dma_fence' objects to/from
          userspace via Sync File fds for synchronization between drivers via
          userspace components. It has been ported from Android.
 
@@ -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