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authorPaul Mackerras <paulus@samba.org>2008-03-12 17:13:57 +1100
committerPaul Mackerras <paulus@samba.org>2008-03-12 17:13:57 +1100
commit9cf7f7fac8c36e54e4869fc01e1bad0d3b4de53b (patch)
tree9cc6f231af5b1a9d9ffd748c24d869fc71d9ac27
parent86f4e5d4335556191b436b41b0ad2f719c4a98d4 (diff)
parentc368392a9951e6e25e2e2f9268153f1e9365e2c2 (diff)
downloadlinux-2.6.38-lt-ux500-9cf7f7fac8c36e54e4869fc01e1bad0d3b4de53b.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jk/spufs into merge
-rw-r--r--arch/powerpc/platforms/cell/spufs/context.c3
-rw-r--r--arch/powerpc/platforms/cell/spufs/run.c3
-rw-r--r--arch/powerpc/platforms/cell/spufs/sched.c4
-rw-r--r--arch/powerpc/platforms/cell/spufs/spufs.h1
4 files changed, 7 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c
index cf6c2c89211..0ad83aeb70b 100644
--- a/arch/powerpc/platforms/cell/spufs/context.c
+++ b/arch/powerpc/platforms/cell/spufs/context.c
@@ -170,7 +170,8 @@ void spu_release_saved(struct spu_context *ctx)
{
BUG_ON(ctx->state != SPU_STATE_SAVED);
- if (test_and_clear_bit(SPU_SCHED_WAS_ACTIVE, &ctx->sched_flags))
+ if (test_and_clear_bit(SPU_SCHED_WAS_ACTIVE, &ctx->sched_flags) &&
+ test_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags))
spu_activate(ctx, 0);
spu_release(ctx);
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index 6221968c2a3..cac69e11677 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -220,6 +220,7 @@ static int spu_run_init(struct spu_context *ctx, u32 *npc)
}
}
+ set_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags);
return 0;
}
@@ -234,7 +235,7 @@ static int spu_run_fini(struct spu_context *ctx, u32 *npc,
*npc = ctx->ops->npc_read(ctx);
spuctx_switch_state(ctx, SPU_UTIL_IDLE_LOADED);
- ctx->policy = SCHED_IDLE;
+ clear_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags);
spu_release(ctx);
if (signal_pending(current))
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 5d5f680cd0b..00528ef84ad 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -867,7 +867,7 @@ static noinline void spusched_tick(struct spu_context *ctx)
if (ctx->policy == SCHED_FIFO)
goto out;
- if (--ctx->time_slice && ctx->policy != SCHED_IDLE)
+ if (--ctx->time_slice && test_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags))
goto out;
spu = ctx->spu;
@@ -877,7 +877,7 @@ static noinline void spusched_tick(struct spu_context *ctx)
new = grab_runnable_context(ctx->prio + 1, spu->node);
if (new) {
spu_unschedule(spu, ctx);
- if (ctx->policy != SCHED_IDLE)
+ if (test_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags))
spu_add_to_rq(ctx);
} else {
spu_context_nospu_trace(spusched_tick__newslice, ctx);
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index 2c2fe3c07d7..cdc515182f8 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -44,6 +44,7 @@ struct spu_gang;
enum {
SPU_SCHED_NOTIFY_ACTIVE,
SPU_SCHED_WAS_ACTIVE, /* was active upon spu_acquire_saved() */
+ SPU_SCHED_SPU_RUN, /* context is within spu_run */
};
struct spu_context {