| Message ID | 1409256340-12104-1-git-send-email-maxim.uvarov@linaro.org |
|---|---|
| State | Accepted |
| Commit | 8e1bf298be449b8f91f25b96870732c433f4ddc0 |
| Headers | show |
diff --git a/platform/linux-generic/include/api/odp_sync.h b/platform/linux-generic/include/api/odp_sync.h index 9cf4d46..fbf9abd 100644 --- a/platform/linux-generic/include/api/odp_sync.h +++ b/platform/linux-generic/include/api/odp_sync.h @@ -31,9 +31,16 @@ static inline void odp_sync_stores(void) __asm__ __volatile__ ("sfence\n" : : : "memory"); -#elif defined __arm__ || defined __aarch64__ +#elif defined(__arm__) +#if __ARM_ARCH == 6 + __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" \ + : : "r" (0) : "memory"); +#elif __ARM_ARCH >= 7 || defined __aarch64__ __asm__ __volatile__ ("dmb st" : : : "memory"); +#else + __asm__ __volatile__ ("" : : : "memory"); +#endif #elif defined __OCTEON__
Original bug: https://bugs.linaro.org/show_bug.cgi?id=355 Armv5 fails on compilation dmb instuction. Use the same thing like linux kernel does. Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org> Reviewed-and-Tested-by: Yao Zhao <yao.zhao@windriver.com> --- v2: add missing ; platform/linux-generic/include/api/odp_sync.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)