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Add a read barrier in the traversing of the buffer list 

Needed on systems with weak memory ordering - the inferior, partially working fix from #2544 was already removed in #2551
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Martin Kroeker 2020-04-13 12:34:02 +02:00 committed by GitHub
parent f5efecb7ca
commit f41600e66f
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driver/others/memory.c
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@ -2741,6 +2741,7 @@ void *blas_memory_alloc(int procpos){
LOCK_COMMAND(&alloc_lock); LOCK_COMMAND(&alloc_lock);
#endif #endif
do { do {
RMB;
#if defined(USE_OPENMP) #if defined(USE_OPENMP)
if (!memory[position].used) { if (!memory[position].used) {
blas_lock(&memory[position].lock); blas_lock(&memory[position].lock);