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Blackfin: SMP: delay enabling caches until CPU is initialized

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Defer bfin_setup_caches(cpu) to avoid unexpected faults due to the cpu
state not yet being fully initialized.

Signed-off-by: steven miao <realmz6@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
steven miao
2010-09-07 10:08:36 +00:00
committed by Mike Frysinger
parent 5f362c91d0
commit ab61d2ac5c
1 changed files with 2 additions and 2 deletions
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4
arch/blackfin/mach-common/smp.c
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@@ -361,8 +361,6 @@ void __cpuinit secondary_start_kernel(void)
*/ */
init_exception_vectors(); init_exception_vectors();
bfin_setup_caches(cpu);
local_irq_disable(); local_irq_disable();
/* Attach the new idle task to the global mm. */ /* Attach the new idle task to the global mm. */
@@ -381,6 +379,8 @@ void __cpuinit secondary_start_kernel(void)
local_irq_enable(); local_irq_enable();
bfin_setup_caches(cpu);
/* /*
* Calibrate loops per jiffy value. * Calibrate loops per jiffy value.
* IRQs need to be enabled here - D-cache can be invalidated * IRQs need to be enabled here - D-cache can be invalidated