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-rw-r--r--drivers/base/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index 23b8726962af..00e13ce5cbbd 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -208,6 +208,15 @@ config DMA_SHARED_BUFFER
APIs extension; the file's descriptor can then be passed on to other
driver.
+config FENCE_TRACE
+ bool "Enable verbose FENCE_TRACE messages"
+ depends on DMA_SHARED_BUFFER
+ help
+ Enable the FENCE_TRACE printks. This will add extra
+ spam to the console log, but will make it easier to diagnose
+ lockup related problems for dma-buffers shared across multiple
+ devices.
+
config DMA_CMA
bool "DMA Contiguous Memory Allocator"
depends on HAVE_DMA_CONTIGUOUS && CMA