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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org
Subject: [PATCH 2/3] hw/arm/virt: Error for MTE enabled with KVM
Date: Mon, 13 Jul 2020 14:33:40 -0700	[thread overview]
Message-ID: <20200713213341.590275-3-richard.henderson@linaro.org> (raw)
In-Reply-To: <20200713213341.590275-1-richard.henderson@linaro.org>

While we expect KVM to support MTE at some future point,
it certainly won't be ready in time for qemu 5.1.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 hw/arm/virt.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 5866c4ce20..a7f3d442db 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1773,6 +1773,12 @@ static void machvirt_init(MachineState *machine)
         exit(1);
     }
 
+    if (vms->mte && kvm_enabled()) {
+        error_report("mach-virt: KVM does not support providing "
+                     "MTE to the guest CPU");
+        exit(1);
+    }
+
     create_fdt(vms);
 
     possible_cpus = mc->possible_cpu_arch_ids(machine);
-- 
2.25.1



  parent reply	other threads:[~2020-07-13 21:35 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-13 21:33 [PATCH for-5.1 0/3] target/arm: MTE improvements Richard Henderson
2020-07-13 21:33 ` [PATCH 1/3] hw/arm/virt: Enable MTE via a machine property Richard Henderson
2020-07-13 21:33 ` Richard Henderson [this message]
2020-07-13 21:33 ` [PATCH 3/3] hw/arm/virt: Disable memory hotplug when MTE is enabled Richard Henderson
2020-07-16 14:19 ` [PATCH for-5.1 0/3] target/arm: MTE improvements Peter Maydell

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