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From: Miguel Luis <miguel.luis@oracle.com>
To: Peter Maydell <peter.maydell@linaro.org>,
	"Michael S . Tsirkin" <mst@redhat.com>,
	Cornelia Huck <cohuck@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	qemu-arm@nongnu.org, qemu-devel@nongnu.org,
	Haibo Xu <haibo.xu@linaro.org>, Andrew Jones <drjones@redhat.com>,
	Marc Zyngier <maz@kernel.org>
Cc: Miguel Luis <miguel.luis@oracle.com>
Subject: [RFC PATCH 5/5] arm/virt: provide virtualization extensions to the guest
Date: Mon, 27 Feb 2023 15:37:18 -0100	[thread overview]
Message-ID: <20230227163718.62003-6-miguel.luis@oracle.com> (raw)
In-Reply-To: <20230227163718.62003-1-miguel.luis@oracle.com>

From: Haibo Xu <haibo.xu@linaro.org>

VHE enablement if host supports EL2.

Ref: https://lore.kernel.org/qemu-devel/b7c2626e6c720ccc43e57197dff3dac72d613640.1616052890.git.haibo.xu@linaro.org/

Signed-off-by: Haibo Xu <haibo.xu@linaro.org>
Signed-off-by: Miguel Luis <miguel.luis@oracle.com>
---
 hw/arm/virt.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 377181e009..7103aecf3f 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -2093,7 +2093,8 @@ static void machvirt_init(MachineState *machine)
         exit(1);
     }
 
-    if (vms->virt && (kvm_enabled() || hvf_enabled())) {
+    if (vms->virt && (kvm_enabled() || hvf_enabled())
+        && !kvm_arm_el2_supported()) {
         error_report("mach-virt: %s does not support providing "
                      "Virtualization extensions to the guest CPU",
                      kvm_enabled() ? "KVM" : "HVF");
-- 
2.39.2



  parent reply	other threads:[~2023-02-27 16:39 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-27 16:37 [RFC PATCH 0/5] QEMU v7.2.0 aarch64 Nested Virtualization Support Miguel Luis
2023-02-27 16:37 ` [RFC PATCH 1/5] linux-headers: [kvm, arm64] add the necessary definitions to match host kernel Miguel Luis
2023-02-27 16:49   ` Cornelia Huck
2023-02-28 10:01     ` Miguel Luis
2023-02-27 16:37 ` [RFC PATCH 2/5] hw/intc/gicv3: add support for setting KVM vGIC maintenance IRQ Miguel Luis
2023-03-06 14:02   ` Peter Maydell
2023-03-06 14:32     ` Marc Zyngier
2023-03-06 20:04       ` Miguel Luis
2023-03-06 18:34     ` Miguel Luis
2023-02-27 16:37 ` [RFC PATCH 3/5] target/arm/kvm: add helper to detect EL2 when using KVM Miguel Luis
2023-02-27 19:27   ` Richard Henderson
2023-02-27 16:37 ` [RFC PATCH 4/5] target/arm: enable feature ARM_FEATURE_EL2 if EL2 is supported Miguel Luis
2023-02-27 19:24   ` Richard Henderson
2023-02-28 12:23     ` Miguel Luis
2023-07-06  8:16   ` Eric Auger
2023-07-14 12:45     ` Miguel Luis
2023-02-27 16:37 ` Miguel Luis [this message]
2023-02-27 19:26   ` [RFC PATCH 5/5] arm/virt: provide virtualization extensions to the guest Richard Henderson
2023-02-28 12:31     ` Miguel Luis
2024-02-08 16:55 ` [RFC PATCH 0/5] QEMU v7.2.0 aarch64 Nested Virtualization Support Eric Auger
2024-02-08 17:33   ` Miguel Luis
2024-02-08 18:23     ` Eric Auger

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