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[Qemu-devel] [PATCH 3/7] [s390] reboot: reset device pages on reboot
From: |
Christian Borntraeger |
Subject: |
[Qemu-devel] [PATCH 3/7] [s390] reboot: reset device pages on reboot |
Date: |
Mon, 23 Apr 2012 11:52:21 +0200 |
From: Jens Freimann <address@hidden>
This patch fixes reboot on s390 by resetting the device
page on reboot.
Signed-off-by: Jens Freimann <address@hidden>
Signed-off-by: Christian Borntraeger <address@hidden>
---
hw/s390-virtio-bus.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c
index be1f5f1..74419b3 100644
--- a/hw/s390-virtio-bus.c
+++ b/hw/s390-virtio-bus.c
@@ -57,6 +57,12 @@ static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device
*dev);
/* length of VirtIO device pages */
const target_phys_addr_t virtio_size = S390_DEVICE_PAGES * TARGET_PAGE_SIZE;
+static void s390_virtio_bus_reset(void *opaque)
+{
+ VirtIOS390Bus *bus = opaque;
+ bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE;
+}
+
VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size)
{
VirtIOS390Bus *bus;
@@ -82,6 +88,7 @@ VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size)
/* Allocate RAM for VirtIO device pages (descriptors, queues, rings) */
*ram_size += S390_DEVICE_PAGES * TARGET_PAGE_SIZE;
+ qemu_register_reset(s390_virtio_bus_reset, bus);
return bus;
}
--
1.7.9.6
- [Qemu-devel] [PATCH 0/7] Fixes for s390, Christian Borntraeger, 2012/04/23
- [Qemu-devel] [PATCH 2/7] [s390] fix error handling on kernel and initrd failures, Christian Borntraeger, 2012/04/23
- [Qemu-devel] [PATCH 5/7] [s390] support reboot for kvm on s390, Christian Borntraeger, 2012/04/23
- [Qemu-devel] [PATCH 6/7] [s390] remove default cdrom, sd-card and floppy support, Christian Borntraeger, 2012/04/23
- [Qemu-devel] [PATCH 1/7] [s390] fix kernel_commandline handling, Christian Borntraeger, 2012/04/23
- [Qemu-devel] [PATCH 3/7] [s390] reboot: reset device pages on reboot,
Christian Borntraeger <=
- [Qemu-devel] [PATCH 7/7] [s390] dont call system_shutdown on disabled wait, Christian Borntraeger, 2012/04/23
- [Qemu-devel] [PATCH 4/7] [s390] reset avail and used index on reboot, Christian Borntraeger, 2012/04/23
- Re: [Qemu-devel] [PATCH 4/7] [s390] reset avail and used index on reboot, Jens Freimann, 2012/04/26
Re: [Qemu-devel] [PATCH 0/7] Fixes for s390, Alexander Graf, 2012/04/26