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powerpc/e500mc: Doorbells need to be taken w/exceptions disabled
author
Kumar Gala
<galak@kernel.crashing.org>
Fri, 9 Jan 2009 00:11:56 +0000
(18:11 -0600)
committer
Kumar Gala
<galak@kernel.crashing.org>
Tue, 13 Jan 2009 23:46:24 +0000
(17:46 -0600)
We use Doorbell interrupts for IPIs and thus we need to make sure we aren't
interrupted in the process of processing the IPI.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Dave Liu <daveliu@freescale.com>
arch/powerpc/kernel/head_fsl_booke.S
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diff --git
a/arch/powerpc/kernel/head_fsl_booke.S
b/arch/powerpc/kernel/head_fsl_booke.S
index
2f32720
..
36ffb35
100644
(file)
--- a/
arch/powerpc/kernel/head_fsl_booke.S
+++ b/
arch/powerpc/kernel/head_fsl_booke.S
@@
-707,7
+707,7
@@
interrupt_base:
EXCEPTION(0x2060, PerformanceMonitor, performance_monitor_exception, EXC_XFER_STD)
#ifdef CONFIG_PPC_E500MC
- EXCEPTION(0x2070, Doorbell, unknown_exception, EXC_XFER_
EE
)
+ EXCEPTION(0x2070, Doorbell, unknown_exception, EXC_XFER_
STD
)
#endif
/* Debug Interrupt */