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Re: [PATCH v6 2/6] sev/i386: Require in-kernel irqchip support for SEV-E
From: |
Venu Busireddy |
Subject: |
Re: [PATCH v6 2/6] sev/i386: Require in-kernel irqchip support for SEV-ES guests |
Date: |
Fri, 29 Jan 2021 11:41:35 -0600 |
On 2021-01-26 11:36:45 -0600, Tom Lendacky wrote:
> From: Tom Lendacky <thomas.lendacky@amd.com>
>
> In prep for AP booting, require the use of in-kernel irqchip support. This
> lessens the Qemu support burden required to boot APs.
>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: Richard Henderson <richard.henderson@linaro.org>
> Cc: Eduardo Habkost <ehabkost@redhat.com>
> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Reviewed-by: Venu Busireddy <venu.busireddy@oracle.com>
> ---
> target/i386/sev.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/target/i386/sev.c b/target/i386/sev.c
> index fce2128c07..ddec7ebaa7 100644
> --- a/target/i386/sev.c
> +++ b/target/i386/sev.c
> @@ -776,6 +776,12 @@ sev_guest_init(const char *id)
> sev->api_minor = status.api_minor;
>
> if (sev_es_enabled()) {
> + if (!kvm_kernel_irqchip_allowed()) {
> + error_report("%s: SEV-ES guests require in-kernel irqchip
> support",
> + __func__);
> + goto err;
> + }
> +
> if (!(status.flags & SEV_STATUS_FLAGS_CONFIG_ES)) {
> error_report("%s: guest policy requires SEV-ES, but "
> "host SEV-ES support unavailable",
> --
> 2.30.0
>
- [PATCH v6 0/6] Qemu SEV-ES guest support, Tom Lendacky, 2021/01/26
- [PATCH v6 1/6] sev/i386: Add initial support for SEV-ES, Tom Lendacky, 2021/01/26
- [PATCH v6 2/6] sev/i386: Require in-kernel irqchip support for SEV-ES guests, Tom Lendacky, 2021/01/26
- Re: [PATCH v6 2/6] sev/i386: Require in-kernel irqchip support for SEV-ES guests,
Venu Busireddy <=
- [PATCH v6 3/6] sev/i386: Allow AP booting under SEV-ES, Tom Lendacky, 2021/01/26
- [PATCH v6 4/6] sev/i386: Don't allow a system reset under an SEV-ES guest, Tom Lendacky, 2021/01/26
- [PATCH v6 5/6] kvm/i386: Use a per-VM check for SMM capability, Tom Lendacky, 2021/01/26
- [PATCH v6 6/6] sev/i386: Enable an SEV-ES guest based on SEV policy, Tom Lendacky, 2021/01/26