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Diffstat (limited to 'kernel')
-rw-r--r--kernel/dma/mapping.c4
-rw-r--r--kernel/scs.c1
2 files changed, 1 insertions, 4 deletions
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
index 8349a9f2c345..9478eccd1c8e 100644
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -296,10 +296,6 @@ dma_addr_t dma_map_resource(struct device *dev, phys_addr_t phys_addr,
if (WARN_ON_ONCE(!dev->dma_mask))
return DMA_MAPPING_ERROR;
- /* Don't allow RAM to be mapped */
- if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr))))
- return DMA_MAPPING_ERROR;
-
if (dma_map_direct(dev, ops))
addr = dma_direct_map_resource(dev, phys_addr, size, dir, attrs);
else if (ops->map_resource)
diff --git a/kernel/scs.c b/kernel/scs.c
index e2a71fc82fa0..579841be8864 100644
--- a/kernel/scs.c
+++ b/kernel/scs.c
@@ -78,6 +78,7 @@ void scs_free(void *s)
if (this_cpu_cmpxchg(scs_cache[i], 0, s) == NULL)
return;
+ kasan_unpoison_vmalloc(s, SCS_SIZE);
vfree_atomic(s);
}