diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-11-09 20:33:32 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-12-19 10:56:32 +0300 |
| commit | 8a01960fb5bd95b920657133de52259227ee6ad7 (patch) | |
| tree | 8e838d8c8d9d0352b8ef191dccd8b6801e65e230 | |
| parent | 6c16816b91a64a33033930fbe2ae3f02e012d8bd (diff) | |
| download | linux-8a01960fb5bd95b920657133de52259227ee6ad7.tar.xz | |
powerpc/smp: Use code patching to restore reset vector
Instead of hardcoding reset vector restore, use patch_instruction()
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/platforms/86xx/mpc86xx_smp.c | 3 | ||||
| -rw-r--r-- | 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); |