Rebased to version 2.3.0-rc1
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0001-virtio-serial-fix-virtio-config-size.patch
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43
0001-virtio-serial-fix-virtio-config-size.patch
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From: "Michael S. Tsirkin" <mst@redhat.com>
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Date: Wed, 25 Mar 2015 12:41:26 +0100
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Subject: [PATCH] virtio-serial: fix virtio config size
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commit 9b70c1790acacae54d559d38ca69186a85040bb8
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virtio-serial: switch to standard-headers
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changes virtio_console_config size from 8 to 12 bytes:
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it adds an optional 4 byte emerg_wr field.
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As this crosses a power of two boundary, this changes the PCI BAR size,
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which breaks migration compatibility with old qemu machine types.
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It's probably a problem for other transports as well.
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As a temporary fix, as we don't yet support this new field anyway,
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simply make the config size smaller at init time.
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Long terms we probably want something along the lines
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of virtio_net_set_config_size.
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Reported-by: Cole Robinson <crobinso@redhat.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Message-Id: <1427283599-12789-1-git-send-email-mst@redhat.com>
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---
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hw/char/virtio-serial-bus.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c
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index d14e872..e336bdb 100644
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--- a/hw/char/virtio-serial-bus.c
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+++ b/hw/char/virtio-serial-bus.c
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@@ -980,8 +980,10 @@ static void virtio_serial_device_realize(DeviceState *dev, Error **errp)
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return;
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}
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+ /* We don't support emergency write, skip it for now. */
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+ /* TODO: cleaner fix, depending on host features. */
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virtio_init(vdev, "virtio-serial", VIRTIO_ID_CONSOLE,
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- sizeof(struct virtio_console_config));
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+ offsetof(struct virtio_console_config, emerg_wr));
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/* Spawn a new virtio-serial bus on which the ports will ride as devices */
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qbus_create_inplace(&vser->bus, sizeof(vser->bus), TYPE_VIRTIO_SERIAL_BUS,
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16
qemu.spec
16
qemu.spec
@ -153,7 +153,7 @@
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Summary: QEMU is a FAST! processor emulator
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Name: qemu
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Version: 2.3.0
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Release: 0.1.rc0%{?dist}
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Release: 0.2.rc1%{?dist}
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Epoch: 2
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License: GPLv2+ and LGPLv2+ and BSD
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Group: Development/Tools
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@ -169,7 +169,7 @@ ExclusiveArch: %{kvm_archs}
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%endif
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#Source0: http://wiki.qemu-project.org/download/%{name}-%{version}.tar.bz2
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Source0: http://wiki.qemu-project.org/download/%{name}-%{version}-rc0.tar.bz2
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Source0: http://wiki.qemu-project.org/download/%{name}-%{version}-rc1.tar.bz2
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Source1: qemu.binfmt
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@ -194,6 +194,9 @@ Source12: bridge.conf
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# qemu-kvm back compat wrapper
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Source13: qemu-kvm.sh
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# Fix virtconsole migration
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Patch0001: 0001-virtio-serial-fix-virtio-config-size.patch
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BuildRequires: SDL2-devel
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BuildRequires: zlib-devel
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BuildRequires: which
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@ -736,7 +739,11 @@ CAC emulation development files.
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%prep
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%setup -q -n qemu-%{version}-rc0
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%setup -q -n qemu-%{version}-rc1
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# Fix virtconsole migration
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%patch0001 -p1
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%build
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%if %{with kvmonly}
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@ -1514,6 +1521,9 @@ getent passwd qemu >/dev/null || \
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%endif
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%changelog
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* Tue Mar 24 2015 Cole Robinson <crobinso@redhat.com> - 2:2.3.0-0.1.rc1
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- Rebased to version 2.3.0-rc1
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* Sun Mar 22 2015 Cole Robinson <crobinso@redhat.com> - 2:2.3.0-0.1.rc0
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- Rebased to version 2.3.0-rc0
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