From: Andrew Jones <drjones@redhat.com>
To: Alexandru Elisei <alexandru.elisei@arm.com>
Cc: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu
Subject: Re: [kvm-unit-tests PATCH] arm/run: Use TCG with qemu-system-arm on arm64 systems
Date: Thu, 17 Mar 2022 18:45:07 +0100 [thread overview]
Message-ID: <20220317174507.jt2rattmtetddvsq@gator> (raw)
In-Reply-To: <20220317165601.356466-1-alexandru.elisei@arm.com>
On Thu, Mar 17, 2022 at 04:56:01PM +0000, Alexandru Elisei wrote:
> From: Andrew Jones <drjones@redhat.com>
>
> If the user sets QEMU=qemu-system-arm on arm64 systems, the tests can only
> be run by using the TCG accelerator. In this case use TCG instead of KVM.
>
> Signed-off-by: Andrew Jones <drjones@redhat.com>
> [ Alex E: Added commit message ]
> Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
> ---
> arm/run | 12 ++++++++++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/arm/run b/arm/run
> index 28a0b4ad2729..128489125dcb 100755
> --- a/arm/run
> +++ b/arm/run
> @@ -10,16 +10,24 @@ if [ -z "$KUT_STANDALONE" ]; then
> fi
> processor="$PROCESSOR"
>
> -ACCEL=$(get_qemu_accelerator) ||
> +accel=$(get_qemu_accelerator) ||
> exit $?
>
> -if [ "$ACCEL" = "kvm" ]; then
> +if [ "$accel" = "kvm" ]; then
> QEMU_ARCH=$HOST
> fi
>
> qemu=$(search_qemu_binary) ||
> exit $?
>
> +if [ "$QEMU" ] && [ -z "$ACCEL" ] &&
> + [ "$HOST" = "aarch64" ] && [ "$ARCH" = "arm" ] &&
> + [ "$(basename $QEMU)" = "qemu-system-arm" ]; then
> + accel=tcg
> +fi
> +
> +ACCEL=$accel
> +
> if ! $qemu -machine '?' 2>&1 | grep 'ARM Virtual Machine' > /dev/null; then
> echo "$qemu doesn't support mach-virt ('-machine virt'). Exiting."
> exit 2
> --
> 2.35.1
>
Ha, OK, I guess you posting this is a strong vote in favor of this
behavior. I've queued it
https://gitlab.com/rhdrjones/kvm-unit-tests/-/commits/arm/queue
Thanks,
drew
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Jones <drjones@redhat.com>
To: Alexandru Elisei <alexandru.elisei@arm.com>
Cc: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org
Subject: Re: [kvm-unit-tests PATCH] arm/run: Use TCG with qemu-system-arm on arm64 systems
Date: Thu, 17 Mar 2022 18:45:07 +0100 [thread overview]
Message-ID: <20220317174507.jt2rattmtetddvsq@gator> (raw)
In-Reply-To: <20220317165601.356466-1-alexandru.elisei@arm.com>
On Thu, Mar 17, 2022 at 04:56:01PM +0000, Alexandru Elisei wrote:
> From: Andrew Jones <drjones@redhat.com>
>
> If the user sets QEMU=qemu-system-arm on arm64 systems, the tests can only
> be run by using the TCG accelerator. In this case use TCG instead of KVM.
>
> Signed-off-by: Andrew Jones <drjones@redhat.com>
> [ Alex E: Added commit message ]
> Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
> ---
> arm/run | 12 ++++++++++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/arm/run b/arm/run
> index 28a0b4ad2729..128489125dcb 100755
> --- a/arm/run
> +++ b/arm/run
> @@ -10,16 +10,24 @@ if [ -z "$KUT_STANDALONE" ]; then
> fi
> processor="$PROCESSOR"
>
> -ACCEL=$(get_qemu_accelerator) ||
> +accel=$(get_qemu_accelerator) ||
> exit $?
>
> -if [ "$ACCEL" = "kvm" ]; then
> +if [ "$accel" = "kvm" ]; then
> QEMU_ARCH=$HOST
> fi
>
> qemu=$(search_qemu_binary) ||
> exit $?
>
> +if [ "$QEMU" ] && [ -z "$ACCEL" ] &&
> + [ "$HOST" = "aarch64" ] && [ "$ARCH" = "arm" ] &&
> + [ "$(basename $QEMU)" = "qemu-system-arm" ]; then
> + accel=tcg
> +fi
> +
> +ACCEL=$accel
> +
> if ! $qemu -machine '?' 2>&1 | grep 'ARM Virtual Machine' > /dev/null; then
> echo "$qemu doesn't support mach-virt ('-machine virt'). Exiting."
> exit 2
> --
> 2.35.1
>
Ha, OK, I guess you posting this is a strong vote in favor of this
behavior. I've queued it
https://gitlab.com/rhdrjones/kvm-unit-tests/-/commits/arm/queue
Thanks,
drew
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next prev parent reply other threads:[~2022-03-17 17:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-17 16:56 [kvm-unit-tests PATCH] arm/run: Use TCG with qemu-system-arm on arm64 systems Alexandru Elisei
2022-03-17 16:56 ` Alexandru Elisei
2022-03-17 17:45 ` Andrew Jones [this message]
2022-03-17 17:45 ` Andrew Jones
2022-03-17 18:03 ` Alexandru Elisei
2022-03-17 18:03 ` Alexandru Elisei
2022-05-17 14:43 ` Andrew Jones
2022-05-17 14:43 ` Andrew Jones
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