linux-kernel - Re: [PATCH 4/4] kunit: qemu_configs: loongarch: Enable shutdown

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Message-ID: <1fde4047-45cf-f6f2-7fd4-f0d6eb5d6de3@loongson.cn>
Date: Tue, 15 Oct 2024 15:31:37 +0800
From: maobibo <maobibo@...ngson.cn>
To: Thomas Weißschuh <thomas.weissschuh@...utronix.de>,
 Huacai Chen <chenhuacai@...nel.org>, WANG Xuerui <kernel@...0n.name>,
 Jiaxun Yang <jiaxun.yang@...goat.com>,
 Brendan Higgins <brendan.higgins@...ux.dev>, David Gow
 <davidgow@...gle.com>, Rae Moar <rmoar@...gle.com>
Cc: loongarch@...ts.linux.dev, linux-kernel@...r.kernel.org,
 linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com
Subject: Re: [PATCH 4/4] kunit: qemu_configs: loongarch: Enable shutdown

Reviewed-by: Bibo Mao <maobibo@...ngson.cn>

On 2024/10/14 下午7:36, Thomas Weißschuh wrote:
> QEMU for LoongArch does not yet support shutdown/restart through ACPI.
> Use the pvpanic driver to enable shutdowns.
> This requires 9.1.0 for shutdown support in pvpanic, but that is the
> requirement of kunit on LoongArch anyways.
> 
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
> ---
>   tools/testing/kunit/qemu_configs/loongarch.py | 5 ++++-
>   1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/testing/kunit/qemu_configs/loongarch.py b/tools/testing/kunit/qemu_configs/loongarch.py
> index e7bb7c07819677dfdefac012821a732555813cae..1d2b780fbd5c0bde20aa6a5cd1217d0b3b443a93 100644
> --- a/tools/testing/kunit/qemu_configs/loongarch.py
> +++ b/tools/testing/kunit/qemu_configs/loongarch.py
> @@ -4,13 +4,16 @@ QEMU_ARCH = QemuArchParams(linux_arch='loongarch',
>   			   kconfig='''
>   CONFIG_EFI_STUB=n
>   CONFIG_PCI_HOST_GENERIC=y
> +CONFIG_PVPANIC=y
> +CONFIG_PVPANIC_PCI=y
>   CONFIG_SERIAL_8250=y
>   CONFIG_SERIAL_8250_CONSOLE=y
>   CONFIG_SERIAL_OF_PLATFORM=y
>   ''',
>   			   qemu_arch='loongarch64',
>   			   kernel_path='arch/loongarch/boot/vmlinux.elf',
> -			   kernel_command_line='console=ttyS0',
> +			   kernel_command_line='console=ttyS0 kunit_shutdown=poweroff',
>   			   extra_qemu_params=[
>   					   '-machine', 'virt',
> +					   '-device', 'pvpanic-pci',
>   					   '-cpu', 'max',])
>