[PATCH v8 4/7] powerpc/85xx: add HOTPLUG_CPU support

[Kumar Gala]

On Jul 20, 2012, at 7:42 AM, Zhao Chenhui wrote:

> Add support to disable and re-enable individual cores at runtime
> on MPC85xx/QorIQ SMP machines. Currently support e500v1/e500v2 core.
> 
> MPC85xx machines use ePAPR spin-table in boot page for CPU kick-off.
> This patch uses the boot page from bootloader to boot core at runtime.
> It supports 32-bit and 36-bit physical address.
> 
> Signed-off-by: Li Yang <leoli at freescale.com>
> Signed-off-by: Jin Qing <b24347 at freescale.com>
> Signed-off-by: Zhao Chenhui <chenhui.zhao at freescale.com>
> ---
> arch/powerpc/Kconfig                  |    6 ++-
> arch/powerpc/include/asm/cacheflush.h |    2 +
> arch/powerpc/include/asm/smp.h        |    1 +
> arch/powerpc/kernel/head_fsl_booke.S  |   28 ++++++++++
> arch/powerpc/platforms/85xx/smp.c     |   90 ++++++++++++++++++++++++++++-----
> 5 files changed, 112 insertions(+), 15 deletions(-)

applied to next

- k