1 files changed, 0 insertions, 65 deletions
diff --git a/qemu-barrier.h b/qemu-barrier.h
deleted file mode 100644
index 7e11197814..0000000000
--- a/qemu-barrier.h
+++ /dev/null
@@ -1,65 +0,0 @@
-#ifndef __QEMU_BARRIER_H
-#define __QEMU_BARRIER_H 1
-
-/* Compiler barrier */
-#define barrier()   asm volatile("" ::: "memory")
-
-#if defined(__i386__)
-
-/*
- * Because of the strongly ordered x86 storage model, wmb() and rmb() are nops
- * on x86(well, a compiler barrier only).  Well, at least as long as
- * qemu doesn't do accesses to write-combining memory or non-temporal
- * load/stores from C code.
- */
-#define smp_wmb()   barrier()
-#define smp_rmb()   barrier()
-/*
- * We use GCC builtin if it's available, as that can use
- * mfence on 32 bit as well, e.g. if built with -march=pentium-m.
- * However, on i386, there seem to be known bugs as recently as 4.3.
- * */
-#if defined(__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 4
-#define smp_mb() __sync_synchronize()
-#else
-#define smp_mb() asm volatile("lock; addl $0,0(%%esp) " ::: "memory")
-#endif
-
-#elif defined(__x86_64__)
-
-#define smp_wmb()   barrier()
-#define smp_rmb()   barrier()
-#define smp_mb() asm volatile("mfence" ::: "memory")
-
-#elif defined(_ARCH_PPC)
-
-/*
- * We use an eieio() for wmb() on powerpc.  This assumes we don't
- * need to order cacheable and non-cacheable stores with respect to
- * each other
- */
-#define smp_wmb()   asm volatile("eieio" ::: "memory")
-
-#if defined(__powerpc64__)
-#define smp_rmb()   asm volatile("lwsync" ::: "memory")
-#else
-#define smp_rmb()   asm volatile("sync" ::: "memory")
-#endif
-
-#define smp_mb()   asm volatile("sync" ::: "memory")
-
-#else
-
-/*
- * For (host) platforms we don't have explicit barrier definitions
- * for, we use the gcc __sync_synchronize() primitive to generate a
- * full barrier.  This should be safe on all platforms, though it may
- * be overkill for wmb() and rmb().
- */
-#define smp_wmb()   __sync_synchronize()
-#define smp_mb()   __sync_synchronize()
-#define smp_rmb()   __sync_synchronize()
-
-#endif
-
-#endif