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authorIngo Molnar <mingo@kernel.org>2015-08-25 10:59:19 +0300
committerIngo Molnar <mingo@kernel.org>2015-08-25 10:59:19 +0300
commit8d58b66ed2b000f27658c88a4ed70e8042e86a58 (patch)
tree5bae2c74f932b5d863f72cb698a6f71260340b26 /include/linux/io-mapping.h
parent13fe86f465b72fc9328d4f5ebc33223c011852ae (diff)
parentc13dcf9f2d6f5f06ef1bf79ec456df614c5e058b (diff)
Merge tag 'v4.2-rc8' into x86/mm, before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/io-mapping.h')
-rw-r--r--include/linux/io-mapping.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h
index 657fab4efab3..c27dde7215b5 100644
--- a/include/linux/io-mapping.h
+++ b/include/linux/io-mapping.h
@@ -141,6 +141,7 @@ static inline void __iomem *
io_mapping_map_atomic_wc(struct io_mapping *mapping,
unsigned long offset)
{
+ preempt_disable();
pagefault_disable();
return ((char __force __iomem *) mapping) + offset;
}
@@ -149,6 +150,7 @@ static inline void
io_mapping_unmap_atomic(void __iomem *vaddr)
{
pagefault_enable();
+ preempt_enable();
}
/* Non-atomic map/unmap */