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Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/context.c')
-rw-r--r--arch/powerpc/platforms/cell/spufs/context.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c
index 7e016b9eab2..3f75c1e7ade 100644
--- a/arch/powerpc/platforms/cell/spufs/context.c
+++ b/arch/powerpc/platforms/cell/spufs/context.c
@@ -27,7 +27,7 @@
#include <asm/spu_csa.h>
#include "spufs.h"
-struct spu_context *alloc_spu_context(struct address_space *local_store)
+struct spu_context *alloc_spu_context(void)
{
struct spu_context *ctx;
ctx = kmalloc(sizeof *ctx, GFP_KERNEL);
@@ -53,7 +53,10 @@ struct spu_context *alloc_spu_context(struct address_space *local_store)
ctx->mfc_fasync = NULL;
ctx->tagwait = 0;
ctx->state = SPU_STATE_SAVED;
- ctx->local_store = local_store;
+ ctx->local_store = NULL;
+ ctx->cntl = NULL;
+ ctx->signal1 = NULL;
+ ctx->signal2 = NULL;
ctx->spu = NULL;
ctx->ops = &spu_backing_ops;
ctx->owner = get_task_mm(current);
@@ -110,7 +113,16 @@ void spu_release(struct spu_context *ctx)
void spu_unmap_mappings(struct spu_context *ctx)
{
- unmap_mapping_range(ctx->local_store, 0, LS_SIZE, 1);
+ if (ctx->local_store)
+ unmap_mapping_range(ctx->local_store, 0, LS_SIZE, 1);
+ if (ctx->mfc)
+ unmap_mapping_range(ctx->mfc, 0, 0x4000, 1);
+ if (ctx->cntl)
+ unmap_mapping_range(ctx->cntl, 0, 0x4000, 1);
+ if (ctx->signal1)
+ unmap_mapping_range(ctx->signal1, 0, 0x4000, 1);
+ if (ctx->signal2)
+ unmap_mapping_range(ctx->signal2, 0, 0x4000, 1);
}
int spu_acquire_runnable(struct spu_context *ctx)