From: Haibo Xu <haibo.xu@linaro.org>
To: dgilbert@redhat.com, quintela@redhat.com, drjones@redhat.com,
richard.henderson@linaro.org
Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org, philmd@redhat.com,
qemu-devel@nongnu.org, Haibo Xu <haibo.xu@linaro.org>
Subject: [RFC PATCH v2 5/5] Enable the MTE support for KVM guest
Date: Wed, 17 Mar 2021 09:28:24 +0000 [thread overview]
Message-ID: <5ed81ba84e44100798009cee95c3dc2d993602f0.1615972140.git.haibo.xu@linaro.org> (raw)
In-Reply-To: <cover.1615972140.git.haibo.xu@linaro.org>
Signed-off-by: Haibo Xu <haibo.xu@linaro.org>
---
hw/arm/virt.c | 22 +++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 76658b93a3..36cfdb29e9 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -79,6 +79,7 @@
#include "hw/virtio/virtio-iommu.h"
#include "hw/char/pl011.h"
#include "qemu/guest-random.h"
+#include "migration/misc.h"
#define DEFINE_VIRT_MACHINE_LATEST(major, minor, latest) \
static void virt_##major##_##minor##_class_init(ObjectClass *oc, \
@@ -828,6 +829,21 @@ static void virt_powerdown_req(Notifier *n, void *opaque)
}
}
+static int virt_precopy_notify(NotifierWithReturn *n, void *data)
+{
+ PrecopyNotifyData *pnd = data;
+
+ switch (pnd->reason) {
+ case PRECOPY_NOTIFY_SETUP:
+ precopy_enable_metadata_migration();
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
static void create_gpio_keys(char *fdt, DeviceState *pl061_dev,
uint32_t phandle)
{
@@ -1912,9 +1928,9 @@ static void machvirt_init(MachineState *machine)
}
if (vms->mte && kvm_enabled()) {
- error_report("mach-virt: KVM does not support providing "
- "MTE to the guest CPU");
- exit(1);
+ /* connect migration precopy request */
+ vms->precopy_notifier.notify = virt_precopy_notify;
+ precopy_add_notifier(&vms->precopy_notifier);
}
create_fdt(vms);
--
2.17.1
next prev parent reply other threads:[~2021-03-17 9:35 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-17 9:28 [RFC PATCH v2 0/5] target/arm: Add MTE support to KVM guest Haibo Xu
2021-03-17 9:28 ` [RFC PATCH v2 1/5] Update Linux headers with new MTE support Haibo Xu
2021-03-17 9:28 ` [RFC PATCH v2 2/5] Add basic MTE support to KVM guest Haibo Xu
2021-03-17 9:28 ` [RFC PATCH v2 3/5] Add APIs to get/set MTE tags Haibo Xu
2021-03-25 12:18 ` Juan Quintela
2021-04-01 13:12 ` Haibo Xu
2021-03-17 9:28 ` [RFC PATCH v2 4/5] Add migration support for KVM guest with MTE Haibo Xu
2021-03-17 20:11 ` Dr. David Alan Gilbert
2021-03-18 6:38 ` Haibo Xu
2021-03-25 19:37 ` Dr. David Alan Gilbert
2021-04-01 13:33 ` Haibo Xu
2021-03-25 15:37 ` Juan Quintela
2021-04-01 13:26 ` Haibo Xu
2021-03-17 9:28 ` Haibo Xu [this message]
2021-03-25 12:40 ` [RFC PATCH v2 5/5] Enable the MTE support for KVM guest Juan Quintela
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