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authorChristoph Hellwig <hch@lst.de>2007-04-23 23:08:11 +0400
committerArnd Bergmann <arnd@klappe.arndb.de>2007-04-23 23:18:54 +0400
commita475c2f43520cb095452201da57395000cfeb94c (patch)
tree0cfe49111b15cf20b03d308ec8b5a8b5210b0363 /arch/powerpc/platforms/cell/spufs/context.c
parent390c53430498c9973e015432806edd53b2efe6c6 (diff)
downloadlinux-a475c2f43520cb095452201da57395000cfeb94c.tar.xz
[POWERPC] spufs: remove woken threads from the runqueue early
A single context should only be woken once, and we should not have more wakeups for a given priority than the number of contexts on that runqueue position. Also add some asserts to trap future problems in this area more easily. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/context.c')
-rw-r--r--arch/powerpc/platforms/cell/spufs/context.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c
index b3954aba424e..065147fb1cc2 100644
--- a/arch/powerpc/platforms/cell/spufs/context.c
+++ b/arch/powerpc/platforms/cell/spufs/context.c
@@ -52,6 +52,7 @@ struct spu_context *alloc_spu_context(struct spu_gang *gang)
ctx->state = SPU_STATE_SAVED;
ctx->ops = &spu_backing_ops;
ctx->owner = get_task_mm(current);
+ INIT_LIST_HEAD(&ctx->rq);
if (gang)
spu_gang_add_ctx(gang, ctx);
ctx->rt_priority = current->rt_priority;
@@ -76,6 +77,7 @@ void destroy_spu_context(struct kref *kref)
spu_fini_csa(&ctx->csa);
if (ctx->gang)
spu_gang_remove_ctx(ctx->gang, ctx);
+ BUG_ON(!list_empty(&ctx->rq));
kfree(ctx);
}