under some scenarios, it is necessary to compile map_benchmark
into module to test iommu, so this patch changed Kconfig and
export_symbol to implement map_benchmark compiled into module.
On the other hand, map_benchmark is a driver, which is supposed
to be able to run as a module.
Signed-off-by: Tian Tao <tiant...@hisilicon.com>
---
kernel/dma/Kconfig | 2 +-
kernel/kthread.c | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig
index 77b4055..0468293 100644
--- a/kernel/dma/Kconfig
+++ b/kernel/dma/Kconfig
@@ -223,7 +223,7 @@ config DMA_API_DEBUG_SG
If unsure, say N.
config DMA_MAP_BENCHMARK
- bool "Enable benchmarking of streaming DMA mapping"
+ tristate "Enable benchmarking of streaming DMA mapping"
depends on DEBUG_FS
help
Provides /sys/kernel/debug/dma_map_benchmark that helps with testing
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 1578973..fa4736f 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -455,6 +455,7 @@ void kthread_bind_mask(struct task_struct *p, const struct
cpumask *mask)
{
__kthread_bind_mask(p, mask, TASK_UNINTERRUPTIBLE);
}
+EXPORT_SYMBOL(kthread_bind_mask);
/**
* kthread_bind - bind a just-created kthread to a cpu.
--
2.7.4
