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Subject[PATCH 9/9] powerpc/smp: Use code patching to restore reset vector
Date
Instead of hardcoding reset vector restore, use patch_instruction()

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
arch/powerpc/platforms/86xx/mpc86xx_smp.c | 3 +--
arch/powerpc/platforms/powermac/smp.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/platforms/86xx/mpc86xx_smp.c b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
index 020e84a47a32..9f2c1ecc85c3 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_smp.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
@@ -86,8 +86,7 @@ smp_86xx_kick_cpu(int nr)
mdelay(1);

/* Restore the exception vector */
- *vector = save_vector;
- flush_icache_range((unsigned long) vector, (unsigned long) vector + 4);
+ patch_instruction(vector, save_vector);

local_irq_restore(flags);

diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 447da6db450a..35be6e0b886d 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -832,8 +832,7 @@ static int smp_core99_kick_cpu(int nr)
mdelay(1);

/* Restore our exception vector */
- *vector = save_vector;
- flush_icache_range((unsigned long) vector, (unsigned long) vector + 4);
+ patch_instruction(vector, save_vector);

local_irq_restore(flags);
if (ppc_md.progress) ppc_md.progress("smp_core99_kick_cpu done", 0x347);
--
2.13.3
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