Commit e0a9f1fe authored by Christian König's avatar Christian König
Browse files

dma-buf: deprecate DMABUF_SYSFS_STATS 



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: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarT.J. Mercier <tjmercier@google.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220617085702.4298-1-christian.koenig@amd.com
parent 009a3a52

drivers/dma-buf/Kconfig

+5 −1
Original line number Diff line number Diff line
@@ -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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