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Re: [PATCH v2 8/9] hw/riscv: virt: Allow support for 32 cores
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From: |
Philippe Mathieu-Daudé |
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Subject: |
Re: [PATCH v2 8/9] hw/riscv: virt: Allow support for 32 cores |
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Date: |
Thu, 16 Dec 2021 09:18:13 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 |
On 12/16/21 06:58, Anup Patel wrote:
> On Thu, Dec 16, 2021 at 10:27 AM Alistair Francis
> <alistair.francis@opensource.wdc.com> wrote:
>>
>> From: Alistair Francis <alistair.francis@wdc.com>
>>
>> Linux supports up to 32 cores for both 32-bit and 64-bit RISC-V, so
>> let's set that as the maximum for the virt board.
>>
>> Resolves: https://gitlab.com/qemu-project/qemu/-/issues/435
>> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
> IMO, we should keep QEMU VIRT_CPUS_MAX as high as
> possible to allow any kind of software Linux, OpenSBI, FreeBSD,
> Xvisor, Xen, etc. Let the guest software decide it's own limit (such
> as NR_CPUS of Linux).
Agreed.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
>
> Reviewed-by: Anup Patel <anup.patel@wdc.com>
>
> Regards,
> Anup
- [PATCH v2 5/9] target/riscv: Mark the Hypervisor extension as non experimental, (continued)
- [PATCH v2 5/9] target/riscv: Mark the Hypervisor extension as non experimental, Alistair Francis, 2021/12/15
- [PATCH v2 6/9] target/riscv: Enable the Hypervisor extension by default, Alistair Francis, 2021/12/15
- [PATCH v2 7/9] hw/riscv: Use error_fatal for SoC realisation, Alistair Francis, 2021/12/15
- [PATCH v2 8/9] hw/riscv: virt: Allow support for 32 cores, Alistair Francis, 2021/12/15
- Re: [PATCH v2 8/9] hw/riscv: virt: Allow support for 32 cores, Bin Meng, 2021/12/20
- [PATCH v2 9/9] hw/riscv: virt: Set the clock-frequency, Alistair Francis, 2021/12/15