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.koenig@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"
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