[U-Boot] [PATCH v6 6/8] x86: qemu: fix cpu device in smp boot

Bin Meng bmeng.cn at gmail.com
Tue Jan 12 05:00:37 CET 2016


On Thu, Jan 7, 2016 at 5:32 PM, Miao Yan <yanmiaobest at gmail.com> wrote:
> Currently, when booting with more that one CPU enabled, U-Boot scans
> 'cpu' node in device tree and calculates CPU number. This does not scale
> well as changing CPU number also requires modifying .dts and re-compiling
> U-Boot.
>
> This patch uses fw_cfg interface provided by QEMU to detect online CPU
> number at runtime, and dynamically adds 'cpu' device to U-Boot's driver
> model.
>
> Signed-off-by: Miao Yan <yanmiaobest at gmail.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
> Tested-by: Bin Meng <bmeng.cn at gmail.com>
> ---

applied to u-boot-x86/next, thanks!


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