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authorIgor Opaniuk2017-07-14 09:09:33 -0500
committerJérôme Forissier2017-07-25 10:26:22 -0500
commit32d9b77918ee634d1a16299164b543d628291123 (patch)
treef625b4b501f7a03ff98165350734efd2396b1776
parent0efaf6bae1066d06a075d1f4fe1011b8b3576f75 (diff)
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rpi3: fix unsupported exclusive access issue
Fix unsupported exclusive issue , which occurs when using gcc builtin atomic __sync_fetch_and_add();, which is unfolded into LDXR/STLXR pair (aarch64). Currently, __sync_fetch_and_add() is used in bm_timestamp() for updating head/tail of timestamp per-cpu ringbuffers. Fixes: https://github.com/OP-TEE/optee_client/issues/99 Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org> Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>
-rw-r--r--libteec/src/teec_benchmark.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libteec/src/teec_benchmark.c b/libteec/src/teec_benchmark.c
index ae63297b..3dc5a790 100644
--- a/libteec/src/teec_benchmark.c
+++ b/libteec/src/teec_benchmark.c
@@ -121,7 +121,7 @@ static void *mmap_paddr(intptr_t paddr, uint64_t size)
121 off_t page_addr; 121 off_t page_addr;
122 intptr_t *hw_addr = (intptr_t *)paddr; 122 intptr_t *hw_addr = (intptr_t *)paddr;
123 123
124 devmem = open("/dev/mem", O_RDWR | O_SYNC); 124 devmem = open("/dev/mem", O_RDWR);
125 if (!devmem) 125 if (!devmem)
126 return NULL; 126 return NULL;
127 127