accelio-sse.patch

   1 "SPINLOCK_NG" is x86-specific;
   2 also, use __builtin_ia32_pause directly, as _mm_pause used to be inside target("sse") pragma until gcc 5.?
   3 --- accelio-1.6/src/usr/linux/kernel.h.orig     2016-03-28 14:58:45.000000000 +0200
   4 +++ accelio-1.6/src/usr/linux/kernel.h  2016-04-10 21:34:41.710405838 +0200
   5 @@ -89,7 +89,9 @@
   6
   7  typedef volatile int spinlock_t;
   8
   9 +#if defined(__i386__) || defined(__x86_64__)
  10  #define SPINLOCK_NG
  11 +#endif
  12
  13  #ifndef SPINLOCK_NG
  14
  15 @@ -146,7 +148,7 @@
  16  {
  17         while (__sync_lock_test_and_set(spinlock, 1))
  18                 while (*spinlock)
  19 -                       _mm_pause();
  20 +                       __builtin_ia32_pause();
  21  }
  22
  23  static inline int spin_try_lock(spinlock_t* spinlock)