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Re: [Qemu-riscv] [PATCH v8 18/32] riscv: sifive_u: Set the minimum numbe

From: Bin Meng
Subject: Re: [Qemu-riscv] [PATCH v8 18/32] riscv: sifive_u: Set the minimum number of cpus to 2
Date: Mon, 16 Sep 2019 15:51:11 +0800

Hi Jonathan,

On Mon, Sep 16, 2019 at 1:40 AM Jonathan Behrens <address@hidden> wrote:
> Has there been testing with "-smp 2"? A while back I thought I read that the 
> included uboot firmware was using a hard-coded device tree that indicated 4+1 
> CPUs, which I would have expected to cause Linux boot issues?

No, U-Boot is using DTB that was passed from previous stage firmware - OpenSBI.

On a real board this is 4 + 1. On QEMU, DTB is dynamically generated
per "-smp n" settings. So there should be no problem.


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