architecture/powerpc64/package/linux/0090-spu-enum-shared-param.patch

   1 --- a/arch/powerpc/include/asm/spu.h    2012-03-01 01:32:49.000000000 +0100
   2 +++ b/arch/powerpc/include/asm/spu.h    2012-03-05 17:49:44.083370504 +0100
   3 @@ -198,6 +198,8 @@
   4
   5  extern struct cbe_spu_info cbe_spu_info[];
   6
   7 +extern int spu_enum_shared(void);
   8 +
   9  void spu_init_channels(struct spu *spu);
  10  void spu_irq_setaffinity(struct spu *spu, int cpu);
  11
  12 --- a/arch/powerpc/platforms/cell/spu_base.c    2018-12-26 17:25:07.982026754 +0100
  13 +++ b/arch/powerpc/platforms/cell/spu_base.c    2018-12-26 17:28:29.346588750 +0100
  14 @@ -39,6 +39,11 @@
  15  #include <asm/xmon.h>
  16  #include <asm/prom.h>
  17  #include <asm/kexec.h>
  18 +#include <linux/moduleparam.h>
  19 +
  20 +static int enum_shared = 0;
  21 +module_param(enum_shared, int, S_IRUGO);
  22 +MODULE_PARM_DESC(enum_shared, "Enumerate shared SPUs");
  23
  24  const struct spu_management_ops *spu_management_ops;
  25  EXPORT_SYMBOL_GPL(spu_management_ops);
  26 @@ -450,6 +455,12 @@
  27                 free_irq(spu->irqs[2], spu);
  28  }
  29
  30 +int spu_enum_shared(void)
  31 +{
  32 +       return (enum_shared);
  33 +}
  34 +EXPORT_SYMBOL_GPL(spu_enum_shared);
  35 +
  36  void spu_init_channels(struct spu *spu)
  37  {
  38         static const struct {
  39 --- a/arch/powerpc/platforms/ps3/spu.c  2012-03-01 01:32:49.000000000 +0100
  40 +++ b/arch/powerpc/platforms/ps3/spu.c  2012-03-05 17:54:01.800664787 +0100
  41 @@ -421,7 +421,7 @@
  42                 if (result)
  43                         break;
  44
  45 -               if (resource_type == PS3_SPU_RESOURCE_TYPE_EXCLUSIVE) {
  46 +               if (resource_type == PS3_SPU_RESOURCE_TYPE_EXCLUSIVE || spu_enum_shared()) {
  47                         result = fn((void*)(unsigned long)resource_id);
  48
  49                         if (result)