[U-Boot] [PATCH 08/10] x86: qemu: Add MP initialization
Simon Glass
sjg at chromium.org
Sat Jul 18 16:37:42 CEST 2015
Hi Bin,
On 15 July 2015 at 02:23, Bin Meng <bmeng.cn at gmail.com> wrote:
> The existing MP initialization process works on QEMU multicore,
> except that we need increase delay time for BSP to wait APs to
> show up online. Use a Kconfig option to control the delay time
> factor to the normal one.
>
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> ---
>
> arch/x86/cpu/mp_init.c | 4 ++++
> arch/x86/cpu/qemu/Kconfig | 11 +++++++++++
> arch/x86/dts/qemu-x86_i440fx.dts | 20 ++++++++++++++++++++
> arch/x86/dts/qemu-x86_q35.dts | 20 ++++++++++++++++++++
> configs/qemu-x86_defconfig | 4 ++++
> doc/README.x86 | 5 +++++
> 6 files changed, 64 insertions(+)
Why does qemu need a longer delay? Can we put this in as a property of
the /cpus node instead?
Regards,
Simon
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