target/linux/generic/patches-4.4/309-mips_fuse_workaround.patch

   1 --- a/arch/mips/mm/cache.c
   2 +++ b/arch/mips/mm/cache.c
   3 @@ -39,6 +39,7 @@ void (*__flush_cache_vunmap)(void);
   4
   5  void (*__flush_kernel_vmap_range)(unsigned long vaddr, int size);
   6  EXPORT_SYMBOL_GPL(__flush_kernel_vmap_range);
   7 +EXPORT_SYMBOL(__flush_cache_all);
   8  void (*__invalidate_kernel_vmap_range)(unsigned long vaddr, int size);
   9
  10  /* MIPS specific cache operations */
  11 --- a/fs/fuse/dev.c
  12 +++ b/fs/fuse/dev.c
  13 @@ -19,6 +19,9 @@
  14  #include <linux/pipe_fs_i.h>
  15  #include <linux/swap.h>
  16  #include <linux/splice.h>
  17 +#ifdef CONFIG_MIPS
  18 +#include <asm/cacheflush.h>
  19 +#endif
  20
  21  MODULE_ALIAS_MISCDEV(FUSE_MINOR);
  22  MODULE_ALIAS("devname:fuse");
  23 @@ -802,6 +805,9 @@ static int fuse_copy_fill(struct fuse_co
  24  static int fuse_copy_do(struct fuse_copy_state *cs, void **val, unsigned *size)
  25  {
  26         unsigned ncpy = min(*size, cs->len);
  27 +#ifdef CONFIG_MIPS
  28 +       __flush_cache_all();
  29 +#endif
  30         if (val) {
  31                 void *pgaddr = kmap_atomic(cs->pg);
  32                 void *buf = pgaddr + cs->offset;