[PATCH v2 2/5] arm64: mm: Adopt new alternative assembler macros
Daniel Thompson
daniel.thompson at linaro.org
Mon Jul 20 08:10:01 PDT 2015
Convert the dynamic patching for ARM64_WORKAROUND_CLEAN_CACHE over to
the newly added alternative assembler macros.
Signed-off-by: Daniel Thompson <daniel.thompson at linaro.org>
---
arch/arm64/mm/cache.S | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/mm/cache.S b/arch/arm64/mm/cache.S
index bdeb5d38c2dd..eb48d5df4a0f 100644
--- a/arch/arm64/mm/cache.S
+++ b/arch/arm64/mm/cache.S
@@ -143,7 +143,12 @@ __dma_clean_range:
dcache_line_size x2, x3
sub x3, x2, #1
bic x0, x0, x3
-1: alternative_insn "dc cvac, x0", "dc civac, x0", ARM64_WORKAROUND_CLEAN_CACHE
+1:
+alternative_if_not ARM64_WORKAROUND_CLEAN_CACHE
+ dc cvac, x0
+alternative_else
+ dc civac, x0
+alternative_endif
add x0, x0, x2
cmp x0, x1
b.lo 1b
--
2.4.3
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