From: Richard Henderson <richard.henderson@linaro.org>
To: Cornelia Huck <cohuck@redhat.com>,
Peter Maydell <peter.maydell@linaro.org>,
Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org, kvm@vger.kernel.org,
"Eric Auger" <eauger@redhat.com>,
"Juan Quintela" <quintela@redhat.com>,
"Gavin Shan" <gshan@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@linaro.org>,
"Andrea Bolognani" <abologna@redhat.com>
Subject: Re: [PATCH v7 1/1] arm/kvm: add support for MTE
Date: Tue, 16 May 2023 13:31:29 -0700 [thread overview]
Message-ID: <db06ccfc-fcf7-3ab9-d114-8f4285f58e73@linaro.org> (raw)
In-Reply-To: <20230428095533.21747-2-cohuck@redhat.com>
On 4/28/23 02:55, Cornelia Huck wrote:
> Extend the 'mte' property for the virt machine to cover KVM as
> well. For KVM, we don't allocate tag memory, but instead enable the
> capability.
>
> If MTE has been enabled, we need to disable migration, as we do not
> yet have a way to migrate the tags as well. Therefore, MTE will stay
> off with KVM unless requested explicitly.
>
> Signed-off-by: Cornelia Huck<cohuck@redhat.com>
> ---
> hw/arm/virt.c | 69 +++++++++++++++++++++++++-------------------
> target/arm/cpu.c | 9 +++---
> target/arm/cpu.h | 4 +++
> target/arm/kvm.c | 35 ++++++++++++++++++++++
> target/arm/kvm64.c | 5 ++++
> target/arm/kvm_arm.h | 19 ++++++++++++
> 6 files changed, 107 insertions(+), 34 deletions(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2023-05-16 20:32 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-28 9:55 [PATCH v7 0/1] arm: enable MTE for QEMU + kvm Cornelia Huck
2023-04-28 9:55 ` [PATCH v7 1/1] arm/kvm: add support for MTE Cornelia Huck
2023-04-28 17:50 ` Juan Quintela
2023-05-01 9:37 ` Richard Henderson
2023-05-02 9:03 ` Cornelia Huck
2023-05-02 10:17 ` Juan Quintela
2023-05-02 10:58 ` Richard Henderson
2023-05-04 15:01 ` Cornelia Huck
2023-05-05 15:14 ` Richard Henderson
2023-05-16 13:48 ` Peter Maydell
2023-05-16 20:31 ` Richard Henderson [this message]
2023-05-18 10:09 ` [PATCH v7 0/1] arm: enable MTE for QEMU + kvm Peter Maydell
2023-05-22 12:04 ` Cornelia Huck
2023-05-29 10:15 ` Andrea Bolognani
2023-05-29 10:27 ` Peter Maydell
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