Commit 46cbf939 authored Jun 29, 2007 by Christoph Hellwig Committed by Paul Mackerras Jul 03, 2007

[POWERPC] spusched: Catch nosched contexts in spu_deactivate



spu_deactivate should never be called for nosched contets.  Put in
a check so we can print a stacktrace and exit early in case it
happes erroneously.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

parent ea1ae594

arch/powerpc/platforms/cell/spufs/sched.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -491,6 +491,15 @@ static int __spu_deactivate(struct spu_context *ctx, int force, int max_prio)
		*/
		void spu_deactivate(struct spu_context *ctx)
		{
		/*
		* We must never reach this for a nosched context,
		* but handle the case gracefull instead of panicing.
		*/
		if (ctx->flags & SPU_CREATE_NOSCHED) {
		WARN_ON(1);
		return;
		}

		__spu_deactivate(ctx, 1, MAX_PRIO);
		}