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[31.30.173.70]) by smtp.gmail.com with ESMTPSA id w14-20020a170906d20e00b006cee22553f7sm2715187ejz.213.2022.03.17.10.45.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Mar 2022 10:45:09 -0700 (PDT) Date: Thu, 17 Mar 2022 18:45:07 +0100 From: Andrew Jones To: Alexandru Elisei 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 Message-ID: <20220317174507.jt2rattmtetddvsq@gator> References: <20220317165601.356466-1-alexandru.elisei@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220317165601.356466-1-alexandru.elisei@arm.com> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Thu, Mar 17, 2022 at 04:56:01PM +0000, Alexandru Elisei wrote: > From: Andrew Jones > > 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 > [ Alex E: Added commit message ] > Signed-off-by: Alexandru Elisei > --- > 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