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authorJason Gunthorpe <jgg@mellanox.com>2018-08-16 13:08:18 -0600
committerJason Gunthorpe <jgg@mellanox.com>2018-08-16 13:12:00 -0600
commit89982f7ccee2fcd8fea7936b81eec6defbf0f131 (patch)
treefc553c8d008d24595ad7de0ea0f3b56f656da27c /arch/mips/include/asm/io.h
parenta1ceeca679dccc492235f0f629d9e9f7b3d51ca8 (diff)
parent94710cac0ef4ee177a63b5227664b38c95bbf703 (diff)
downloadlinux-89982f7ccee2fcd8fea7936b81eec6defbf0f131.tar.bz2
Merge tag 'v4.18' into rdma.git for-next
Resolve merge conflicts from the -rc cycle against the rdma.git tree: Conflicts: drivers/infiniband/core/uverbs_cmd.c - New ifs added to ib_uverbs_ex_create_flow in -rc and for-next - Merge removal of file->ucontext in for-next with new code in -rc drivers/infiniband/core/uverbs_main.c - for-next removed code from ib_uverbs_write() that was modified in for-rc Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'arch/mips/include/asm/io.h')
-rw-r--r--arch/mips/include/asm/io.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index a7d0b836f2f7..cea8ad864b3f 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -414,6 +414,8 @@ static inline type pfx##in##bwlq##p(unsigned long port) \
__val = *__addr; \
slow; \
\
+ /* prevent prefetching of coherent DMA data prematurely */ \
+ rmb(); \
return pfx##ioswab##bwlq(__addr, __val); \
}