Add a warning that this UAPI wasn't such a good idea and shouldn't be
used by anybody.
That should give us a better chance to remove it at some point and
prevents others from running into the same issues.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/dma-buf/Kconfig | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig
index 541efe01abc7..e4dc53a36428 100644
--- a/drivers/dma-buf/Kconfig
+++ b/drivers/dma-buf/Kconfig
@@ -75,7 +75,7 @@ menuconfig DMABUF_HEAPS
between drivers.
menuconfig DMABUF_SYSFS_STATS
- bool "DMA-BUF sysfs statistics"
+ bool "DMA-BUF sysfs statistics (DEPRECATED)"
depends on DMA_SHARED_BUFFER
help
Choose this option to enable DMA-BUF sysfs statistics
@@ -85,6 +85,10 @@ menuconfig DMABUF_SYSFS_STATS
statistics for the DMA-BUF with the unique inode number
<inode_number>.
+ This option is deprecated and should sooner or later be removed.
+ Android is the only user of this and it turned out that this resulted
+ in quite some performance problems.
+
source "drivers/dma-buf/heaps/Kconfig"
endmenu
--
2.25.1
