hw/misc/applesmc: Do not call DeviceReset from DeviceRealize
QDev core layer always call DeviceReset() after DeviceRealize(),
no need to do it manually. Remove the extra call.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20240408095217.57239-2-philmd@linaro.org>
=================================================================
==15750==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61f000000de0
at pc 0x560e61557210 bp 0x7ffcfc4a59f0 sp 0x7ffcfc4a59e8
READ of size 1 at 0x61f000000de0 thread T0
#0 0x560e6155720f in mem_and hw/block/nand.c:101:20
#1 0x560e6155ac9c in nand_blk_write_512 hw/block/nand.c:663:9
#2 0x560e61544200 in nand_command hw/block/nand.c:293:13
#3 0x560e6153cc83 in nand_setio hw/block/nand.c:520:13
#4 0x560e61a0a69e in tc6393xb_nand_writeb hw/display/tc6393xb.c:380:13
#5 0x560e619f9bf7 in tc6393xb_writeb hw/display/tc6393xb.c:524:9
#6 0x560e647c7d03 in memory_region_write_accessor softmmu/memory.c:492:5
#7 0x560e647c7641 in access_with_adjusted_size softmmu/memory.c:554:18
#8 0x560e647c5f66 in memory_region_dispatch_write softmmu/memory.c:1514:16
#9 0x560e6485409e in flatview_write_continue softmmu/physmem.c:2825:23
#10 0x560e648421eb in flatview_write softmmu/physmem.c:2867:12
#11 0x560e64841ca8 in address_space_write softmmu/physmem.c:2963:18
#12 0x560e61170162 in qemu_writeb tests/qtest/videzzo/videzzo_qemu.c:1080:5
#13 0x560e6116eef7 in dispatch_mmio_write tests/qtest/videzzo/videzzo_qemu.c:1227:28
0x61f000000de0 is located 0 bytes to the right of 3424-byte region [0x61f000000080,0x61f000000de0)
allocated by thread T0 here:
#0 0x560e611276cf in malloc /root/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:145:3
#1 0x7f7959a87e98 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x57e98)
#2 0x560e64b98871 in object_new qom/object.c:749:12
#3 0x560e64b5d1a1 in qdev_new hw/core/qdev.c:153:19
#4 0x560e61547ea5 in nand_init hw/block/nand.c:639:11
#5 0x560e619f8772 in tc6393xb_init hw/display/tc6393xb.c:558:16
#6 0x560e6390bad2 in tosa_init hw/arm/tosa.c:250:12
SUMMARY: AddressSanitizer: heap-buffer-overflow hw/block/nand.c:101:20 in mem_and
==15750==ABORTING
Broken since introduction in commit 3e3d5815cb ("NAND Flash memory
emulation and ECC calculation helpers for use by NAND controllers").
Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1445
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1446 Reported-by: Qiang Liu <cyruscyliu@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240409135944.24997-4-philmd@linaro.org>
hw/block/nand: Have blk_load() take unsigned offset and return boolean
Negative offset is meaningless, use unsigned type.
Return a boolean value indicating success.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240409135944.24997-3-philmd@linaro.org>
hw/block/nand: Factor nand_load_iolen() method out
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240409135944.24997-2-philmd@linaro.org>
Fix the unit typo of interleave-granularity of CXL Fixed Memory
Window in qemu-option.hx.
Fixes: 03b39fcf64 ("hw/cxl: Make the CFMW a machine parameter.") Signed-off-by: Yuquan Wang wangyuquan1236@phytium.com.cn
Message-ID: <20240407083539.1488172-2-wangyuquan1236@phytium.com.cn>
[PMD: Reworded] Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
hw/virtio/virtio-crypto: Protect from DMA re-entrancy bugs
Replace qemu_bh_new_guarded() by virtio_bh_new_guarded()
so the bus and device use the same guard. Otherwise the
DMA-reentrancy protection can be bypassed.
Fixes: CVE-2024-3446 Cc: qemu-stable@nongnu.org Suggested-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20240409105537.18308-5-philmd@linaro.org>
hw/char/virtio-serial-bus: Protect from DMA re-entrancy bugs
Replace qemu_bh_new_guarded() by virtio_bh_new_guarded()
so the bus and device use the same guard. Otherwise the
DMA-reentrancy protection can be bypassed.
Fixes: CVE-2024-3446 Cc: qemu-stable@nongnu.org Suggested-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20240409105537.18308-4-philmd@linaro.org>
hw/display/virtio-gpu: Protect from DMA re-entrancy bugs
Replace qemu_bh_new_guarded() by virtio_bh_new_guarded()
so the bus and device use the same guard. Otherwise the
DMA-reentrancy protection can be bypassed:
0x60d000011178 is located 56 bytes inside of 136-byte region [0x60d000011140,0x60d0000111c8)
freed by thread T0 here:
#0 0x562cc2adb662 in __interceptor_free (qemu-system-i386+0x239e662)
#1 0x562cc3b86b21 in virtio_gpu_reset hw/display/virtio-gpu.c:1524:9
#2 0x562cc416e20e in virtio_reset hw/virtio/virtio.c:2145:9
#3 0x562cc37c5644 in virtio_pci_reset hw/virtio/virtio-pci.c:2249:5
#4 0x562cc4233758 in memory_region_write_accessor system/memory.c:497:5
#5 0x562cc4232eea in access_with_adjusted_size system/memory.c:573:18
previously allocated by thread T0 here:
#0 0x562cc2adb90e in malloc (qemu-system-i386+0x239e90e)
#1 0x7f368405a678 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x5a678)
#2 0x562cc4163ffc in virtqueue_split_pop hw/virtio/virtio.c:1612:12
#3 0x562cc4163ffc in virtqueue_pop hw/virtio/virtio.c:1783:16
#4 0x562cc3b91a95 in virtio_gpu_handle_ctrl hw/display/virtio-gpu.c:1112:15
#5 0x562cc4a85514 in aio_bh_call util/async.c:169:5
#6 0x562cc4a85c52 in aio_bh_poll util/async.c:216:13
#7 0x562cc4a1a79b in aio_dispatch util/aio-posix.c:423:5
SUMMARY: AddressSanitizer: heap-use-after-free hw/display/virtio-gpu.c:180:42 in virtio_gpu_ctrl_response
With this change, the same reproducer triggers:
qemu-system-i386: warning: Blocked re-entrant IO on MemoryRegion: virtio-pci-common-virtio-gpu at addr: 0x6
Fixes: CVE-2024-3446 Cc: qemu-stable@nongnu.org Reported-by: Alexander Bulekov <alxndr@bu.edu> Reported-by: Yongkang Jia <kangel@zju.edu.cn> Reported-by: Xiao Lei <nop.leixiao@gmail.com> Reported-by: Yiming Tao <taoym@zju.edu.cn> Buglink: https://bugs.launchpad.net/qemu/+bug/1888606 Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20240409105537.18308-3-philmd@linaro.org>
Introduce virtio_bh_new_guarded(), similar to qemu_bh_new_guarded()
but using the transport memory guard, instead of the device one
(there can only be one virtio device per virtio bus).
Inspired-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20240409105537.18308-2-philmd@linaro.org>
* tag 'edk2-20240409-pull-request' of https://gitlab.com/kraxel/qemu:
edk2: rebuild binaries with correct version information
edk2/seabios: use common extra version
edk2: commit version info
edk2: get version + date from git submodule
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Gerd Hoffmann [Wed, 27 Mar 2024 10:24:45 +0000 (11:24 +0100)]
edk2: get version + date from git submodule
Turned out hard-coding version and date in the Makefile wasn't a bright
idea. Updating it on edk2 updates is easily forgotten. Fetch the info
from git instead. Store in edk2-version, so this can be committed to
the repo and is present in tarballs too.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20240327102448.61877-2-kraxel@redhat.com>
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu:
qdev-monitor: fix error message in find_device_state()
vhost-user-blk: simplify and fix vhost_user_blk_handle_config_change
vdpa-dev: Fix the issue of device status not updating when configuration interruption is triggered
hw/virtio: Fix packed virtqueue flush used_idx
virtio-snd: rewrite invalid tx/rx message handling
virtio-snd: Enhance error handling for invalid transfers
Revert "hw/virtio: Add support for VDPA network simulation devices"
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Tue, 9 Apr 2024 08:51:00 +0000 (09:51 +0100)]
Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* fall back to non-ioeventfd notification if KVM routing table is full
* support kitware ninja with jobserver support
* nanomips: fix warnings with GCC 14
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
kvm: error out of kvm_irqchip_add_msi_route() in case of full route table
nanomips: fix warnings with GCC 14
Makefile: preserve --jobserver-auth argument when calling ninja
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
qdev-monitor: fix error message in find_device_state()
This "hotpluggable" here is misleading. Actually we check is object a
device or not. Let's drop the word.
Suggested-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20240329183758.3360733-3-vsementsov@yandex-team.ru> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
vhost-user-blk: simplify and fix vhost_user_blk_handle_config_change
Let's not care about what was changed and update the whole config,
reasons:
1. config->geometry should be updated together with capacity, so we fix
a bug.
2. Vhost-user protocol doesn't say anything about config change
limitation. Silent ignore of changes doesn't seem to be correct.
3. vhost-user-vsock reads the whole config
4. on realize we don't do any checks on retrieved config, so no reason
to care here
Comment "valid for resize only" exists since introduction the whole
hw/block/vhost-user-blk.c in commit 00343e4b54ba0685e9ebe928ec5713b0cf7f1d1c
"vhost-user-blk: introduce a new vhost-user-blk host device",
seems it was just an extra limitation.
Also, let's notify guest unconditionally:
1. So does vhost-user-vsock
2. We are going to reuse the functionality in new cases when we do want
to notify the guest unconditionally. So, no reason to create extra
branches in the logic.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Acked-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <20240329183758.3360733-2-vsementsov@yandex-team.ru> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
vdpa-dev: Fix the issue of device status not updating when configuration interruption is triggered
The set_config callback function vhost_vdpa_device_get_config in
vdpa-dev does not fetch the current device status from the hardware
device, causing the guest os to not receive the latest device status
information.
The hardware updates the config status of the vdpa device and then
notifies the os. The guest os receives an interrupt notification,
triggering a get_config access in the kernel, which then enters qemu
internally. Ultimately, the vhost_vdpa_device_get_config function of
vdpa-dev is called
One scenario encountered is when the device needs to bring down the
vdpa net device. After modifying the status field of virtio_net_config
in the hardware, it sends an interrupt notification. However, the guest
os always receives the STATUS field as VIRTIO_NET_S_LINK_UP.
Signed-off-by: Yuxue Liu <yuxue.liu@jaguarmicro.com> Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20240408020003.1979-1-yuxue.liu@jaguarmicro.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
In the event of writing many chains of descriptors, the device must
write just the id of the last buffer in the descriptor chain, skip
forward the number of descriptors in the chain, and then repeat the
operations for the rest of chains.
Current QEMU code writes all the buffer ids consecutively, and then
skips all the buffers altogether. This is a bug, and can be reproduced
with a VirtIONet device with _F_MRG_RXBUB and without
_F_INDIRECT_DESC:
If a virtio-net device has the VIRTIO_NET_F_MRG_RXBUF feature
but not the VIRTIO_RING_F_INDIRECT_DESC feature,
'VirtIONetQueue->rx_vq' will use the merge feature
to store data in multiple 'elems'.
The 'num_buffers' in the virtio header indicates how many elements are merged.
If the value of 'num_buffers' is greater than 1,
all the merged elements will be filled into the descriptor ring.
The 'idx' of the elements should be the value of 'vq->used_idx' plus 'ndescs'.
Fixes: 86044b24e8 ("virtio: basic packed virtqueue support") Acked-by: Eugenio Pérez <eperezma@redhat.com> Signed-off-by: Wafer <wafer@jaguarmicro.com>
Message-Id: <20240407015451.5228-2-wafer@jaguarmicro.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The current handling of invalid virtqueue elements inside the TX/RX virt
queue handlers is wrong.
They are added in a per-stream invalid queue to be processed after the
handler is done examining each message, but the invalid message might
not be specifying any stream_id; which means it's invalid to add it to
any stream->invalid queue since stream could be NULL at this point.
This commit moves the invalid queue to the VirtIOSound struct which
guarantees there will always be a valid temporary place to store them
inside the tx/rx handlers. The queue will be emptied before the handler
returns, so the queue must be empty at any other point of the device's
lifetime.
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-Id: <virtio-snd-rewrite-invalid-tx-rx-message-handling-v1.manos.pitsidianakis@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Zheyu Ma [Fri, 22 Mar 2024 11:08:27 +0000 (12:08 +0100)]
virtio-snd: Enhance error handling for invalid transfers
This patch improves error handling in virtio_snd_handle_tx_xfer()
and virtio_snd_handle_rx_xfer() in the VirtIO sound driver. Previously,
'goto' statements were used for error paths, leading to unnecessary
processing and potential null pointer dereferences. Now, 'continue' is
used to skip the rest of the current loop iteration for errors such as
message size discrepancies or null streams, reducing crash risks.
ASAN log illustrating the issue addressed:
ERROR: AddressSanitizer: SEGV on unknown address 0x0000000000b4
#0 0x57cea39967b8 in qemu_mutex_lock_impl qemu/util/qemu-thread-posix.c:92:5
#1 0x57cea128c462 in qemu_mutex_lock qemu/include/qemu/thread.h:122:5
#2 0x57cea128d72f in qemu_lockable_lock qemu/include/qemu/lockable.h:95:5
#3 0x57cea128c294 in qemu_lockable_auto_lock qemu/include/qemu/lockable.h:105:5
#4 0x57cea1285eb2 in virtio_snd_handle_rx_xfer qemu/hw/audio/virtio-snd.c:1026:9
#5 0x57cea2caebbc in virtio_queue_notify_vq qemu/hw/virtio/virtio.c:2268:9
#6 0x57cea2cae412 in virtio_queue_host_notifier_read qemu/hw/virtio/virtio.c:3671:9
#7 0x57cea39822f1 in aio_dispatch_handler qemu/util/aio-posix.c:372:9
#8 0x57cea3979385 in aio_dispatch_handlers qemu/util/aio-posix.c:414:20
#9 0x57cea3978eb1 in aio_dispatch qemu/util/aio-posix.c:424:5
#10 0x57cea3a1eede in aio_ctx_dispatch qemu/util/async.c:360:5
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com> Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-Id: <20240322110827.568412-1-zheyuma97@gmail.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The patch adds non-upstream code in
include/standard-headers/linux/virtio_pci.h
which would make maintainance harder.
Revert for now.
Suggested-by: Jason Wang <jasowang@redhat.com>
Message-Id: <df6b6b465753e754a19459e8cd61416548f89a42.1712569644.git.mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Igor Mammedov [Mon, 8 Apr 2024 11:09:56 +0000 (13:09 +0200)]
kvm: error out of kvm_irqchip_add_msi_route() in case of full route table
subj is calling kvm_add_routing_entry() which simply extends
KVMState::irq_routes::entries[]
but doesn't check if number of routes goes beyond limit the kernel
is willing to accept. Which later leads toi the assert
typically it happens during guest boot for large enough guest
Reproduced with:
./qemu --enable-kvm -m 8G -smp 64 -machine pc \
`for b in {1..2}; do echo -n "-device pci-bridge,id=pci$b,chassis_nr=$b ";
for i in {0..31}; do touch /tmp/vblk$b$i;
echo -n "-drive file=/tmp/vblk$b$i,if=none,id=drive$b$i,format=raw
-device virtio-blk-pci,drive=drive$b$i,bus=pci$b ";
done; done`
While crash at boot time is bad, the same might happen at hotplug time
which is unacceptable.
So instead calling kvm_add_routing_entry() unconditionally, check first
that number of routes won't exceed KVM_CAP_IRQ_ROUTING. This way virtio
device insteads killin qemu, will gracefully fail to initialize device
as expected with following warnings on console:
virtio-blk failed to set guest notifier (-28), ensure -accel kvm is set.
virtio_bus_start_ioeventfd: failed. Fallback to userspace (slower).
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-ID: <20240408110956.451558-1-imammedo@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Mon, 8 Apr 2024 14:10:40 +0000 (16:10 +0200)]
nanomips: fix warnings with GCC 14
GCC 14 shows -Wshadow=local warnings if an enum conflicts with a local
variable (including a parameter). To avoid this, move the problematic
enum and all of its dependencies after the hundreds of functions that
have a parameter named "instruction".
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* tag 'pull-target-arm-20240408' of https://git.linaro.org/people/pmaydell/qemu-arm:
target/arm: Use correct SecuritySpace for AArch64 AT ops at EL3
target/arm: Fix CNTPOFF_EL2 trap to missing EL3
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Mon, 8 Apr 2024 15:24:04 +0000 (16:24 +0100)]
Merge tag 'migration-20240407-pull-request' of https://gitlab.com/peterx/qemu into staging
Migration pull for 9.0-rc3
- Wei/Lei's fix on a rare postcopy race that can hang the channel (since 8.0)
- Avihai's fix on maintainers file, points to the right doc links
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# gpg: Signature made Sun 07 Apr 2024 19:42:44 BST
# gpg: using EDDSA key B9184DC20CC457DACF7DD1A93B5FCCCDF3ABD706
# gpg: issuer "peterx@redhat.com"
# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [marginal]
# gpg: aka "Peter Xu <peterx@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: B918 4DC2 0CC4 57DA CF7D D1A9 3B5F CCCD F3AB D706
* tag 'migration-20240407-pull-request' of https://gitlab.com/peterx/qemu:
MAINTAINERS: Adjust migration documentation files
migration/postcopy: ensure preempt channel is ready before loading states
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Fri, 5 Apr 2024 18:02:32 +0000 (19:02 +0100)]
target/arm: Use correct SecuritySpace for AArch64 AT ops at EL3
When we do an AT address translation operation, the page table walk
is supposed to be performed in the context of the EL we're doing the
walk for, so for instance an AT S1E2R walk is done for EL2. In the
pseudocode an EL is passed to AArch64.AT(), which calls
SecurityStateAtEL() to find the security state that we should be
doing the walk with.
In ats_write64() we get this wrong, instead using the current
security space always. This is fine for AT operations performed from
EL1 and EL2, because there the current security state and the
security state for the lower EL are the same. But for AT operations
performed from EL3, the current security state is always either
Secure or Root, whereas we want to use the security state defined by
SCR_EL3.{NS,NSE} for the walk. This affects not just guests using
FEAT_RME but also ones where EL3 is Secure state and the EL3 code
is trying to do an AT for a NonSecure EL2 or EL1.
Use arm_security_space_below_el3() to get the SecuritySpace to
pass to do_ats_write() for all AT operations except the
AT S1E3* operations.
Cc: qemu-stable@nongnu.org Fixes: e1ee56ec2383 ("target/arm: Pass security space rather than flag for AT instructions")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2250 Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240405180232.3570066-1-peter.maydell@linaro.org
Makefile: preserve --jobserver-auth argument when calling ninja
Qemu wraps its call to ninja in a Makefile. Since ninja, as opposed to
make, utilizes all CPU cores by default, the qemu Makefile translates
the absense of a `-jN` argument into `-j1`. This breaks jobserver
functionality, so update the -jN mangling to take the --jobserver-auth
argument into considerationa too.
Signed-off-by: Martin Hundebøll <martin@geanix.com>
Message-Id: <20240402081738.1051560-1-martin@geanix.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Commit 8cb2f8b172e7 ("docs/migration: Create migration/ directory")
changed migration documentation file structure but forgot to update the
entries in the MAINTAINERS file.
Commit 4c6f8a79ae53 ("docs/migration: Split 'dirty limit'") extracted
dirty limit documentation to a new file without updating dirty limit
section in MAINTAINERS file.
Wei Wang [Fri, 5 Apr 2024 03:40:56 +0000 (11:40 +0800)]
migration/postcopy: ensure preempt channel is ready before loading states
Before loading the guest states, ensure that the preempt channel has been
ready to use, as some of the states (e.g. via virtio_load) might trigger
page faults that will be handled through the preempt channel. So yield to
the main thread in the case that the channel create event hasn't been
dispatched.
EL2 accesses to CNTPOFF_EL2 should only ever trap to EL3 if EL3 is
present, as described by the reference manual (for MRS):
/* ... */
elsif PSTATE.EL == EL2 then
if Halted() && HaveEL(EL3) && /*...*/ then
UNDEFINED;
elsif HaveEL(EL3) && SCR_EL3.ECVEn == '0' then
/* ... */
else
X[t, 64] = CNTPOFF_EL2;
However, the existing implementation of gt_cntpoff_access() always
returns CP_ACCESS_TRAP_EL3 for EL2 accesses with SCR_EL3.ECVEn unset. In
pseudo-code terminology, this corresponds to assuming that HaveEL(EL3)
is always true, which is wrong. As a result, QEMU panics in
access_check_cp_reg() when started without EL3 and running EL2 code
accessing the register (e.g. any recent KVM booting a guest).
Therefore, add the HaveEL(EL3) check to gt_cntpoff_access().
* tag 'qemu-sparc-20240404' of https://github.com/mcayland/qemu:
esp.c: remove explicit setting of DRQ within ESP state machine
esp.c: ensure esp_pdma_write() always calls esp_fifo_push()
esp.c: update esp_fifo_{push, pop}() to call esp_update_drq()
esp.c: introduce esp_update_drq() and update esp_fifo_{push, pop}_buf() to use it
esp.c: move esp_set_phase() and esp_get_phase() towards the beginning of the file
esp.c: prevent cmdfifo overflow in esp_cdb_ready()
esp.c: rework esp_cdb_length() into esp_cdb_ready()
esp.c: don't assert() if FIFO empty when executing non-DMA SELATNS
esp.c: introduce esp_fifo_push_buf() function for pushing to the FIFO
esp.c: change esp_fifo_pop_buf() to take ESPState
esp.c: use esp_fifo_push() instead of fifo8_push()
esp.c: change esp_fifo_pop() to take ESPState
esp.c: change esp_fifo_push() to take ESPState
esp.c: replace cmdfifo use of esp_fifo_pop() in do_message_phase()
esp.c: replace esp_fifo_pop_buf() with esp_fifo8_pop_buf() in do_message_phase()
esp.c: replace esp_fifo_pop_buf() with esp_fifo8_pop_buf() in do_command_phase()
esp.c: move esp_fifo_pop_buf() internals to new esp_fifo8_pop_buf() function
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This ensures that esp_update_drq() is called via esp_fifo_push() whenever the
host uses PDMA to transfer data to a SCSI device.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-17-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:17:04 +0000 (19:17 +0000)]
esp.c: update esp_fifo_{push, pop}() to call esp_update_drq()
This ensures that the DRQ line is always set correctly when reading/writing
single bytes to/from the FIFO.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-16-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:17:03 +0000 (19:17 +0000)]
esp.c: introduce esp_update_drq() and update esp_fifo_{push, pop}_buf() to use it
This new function sets the DRQ line correctly according to the current transfer
mode, direction and FIFO contents. Update esp_fifo_push_buf() and esp_fifo_pop_buf()
to use it so that DRQ is always set correctly when reading/writing multiple bytes
to/from the FIFO.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-15-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:17:02 +0000 (19:17 +0000)]
esp.c: move esp_set_phase() and esp_get_phase() towards the beginning of the file
This allows these functions to be used earlier in the file without needing a
separate forward declaration.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-14-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:17:01 +0000 (19:17 +0000)]
esp.c: prevent cmdfifo overflow in esp_cdb_ready()
During normal use the cmdfifo will never wrap internally and cmdfifo_cdb_offset
will always indicate the start of the SCSI CDB. However it is possible that a
malicious guest could issue an invalid ESP command sequence such that cmdfifo
wraps internally and cmdfifo_cdb_offset could point beyond the end of the FIFO
data buffer.
Add an extra check to fifo8_peek_buf() to ensure that if the cmdfifo has wrapped
internally then esp_cdb_ready() will exit rather than allow scsi_cdb_length() to
access data outside the cmdfifo data buffer.
Reported-by: Chuhong Yuan <hslester96@gmail.com> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240324191707.623175-13-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:17:00 +0000 (19:17 +0000)]
esp.c: rework esp_cdb_length() into esp_cdb_ready()
The esp_cdb_length() function is only used as part of a calculation to determine
whether the cmdfifo contains an entire SCSI CDB. Rework esp_cdb_length() into a
new esp_cdb_ready() function which both enables us to handle the case where
scsi_cdb_length() returns -1, plus simplify the logic for its callers.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240324191707.623175-12-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:16:59 +0000 (19:16 +0000)]
esp.c: don't assert() if FIFO empty when executing non-DMA SELATNS
The current logic assumes that at least 1 byte is present in the FIFO when
executing a non-DMA SELATNS command, but this may not be the case if the
guest executes an invalid ESP command sequence.
Reported-by: Chuhong Yuan <hslester96@gmail.com> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240324191707.623175-11-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:16:58 +0000 (19:16 +0000)]
esp.c: introduce esp_fifo_push_buf() function for pushing to the FIFO
Instead of pushing data into the FIFO directly with fifo8_push_all(), add a new
esp_fifo_push_buf() function and use it accordingly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-10-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:16:57 +0000 (19:16 +0000)]
esp.c: change esp_fifo_pop_buf() to take ESPState
Now that all users of esp_fifo_pop_buf() operate on the main FIFO there is no
need to pass the FIFO explicitly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-9-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:16:56 +0000 (19:16 +0000)]
esp.c: use esp_fifo_push() instead of fifo8_push()
There are still a few places that use fifo8_push() instead of esp_fifo_push() in
order to push a value into the FIFO. Update those places to use esp_fifo_push()
instead.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-8-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:16:55 +0000 (19:16 +0000)]
esp.c: change esp_fifo_pop() to take ESPState
Now that all users of esp_fifo_pop() operate on the main FIFO there is no need
to pass the FIFO explicitly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-7-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:16:54 +0000 (19:16 +0000)]
esp.c: change esp_fifo_push() to take ESPState
Now that all users of esp_fifo_push() operate on the main FIFO there is no need
to pass the FIFO explicitly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-6-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:16:53 +0000 (19:16 +0000)]
esp.c: replace cmdfifo use of esp_fifo_pop() in do_message_phase()
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-5-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:16:52 +0000 (19:16 +0000)]
esp.c: replace esp_fifo_pop_buf() with esp_fifo8_pop_buf() in do_message_phase()
The aim is to restrict the esp_fifo_*() functions so that they only operate on
the hardware FIFO. When reading from cmdfifo in do_message_phase() use the
underlying esp_fifo8_pop_buf() function directly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240324191707.623175-4-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:16:51 +0000 (19:16 +0000)]
esp.c: replace esp_fifo_pop_buf() with esp_fifo8_pop_buf() in do_command_phase()
The aim is to restrict the esp_fifo_*() functions so that they only operate on
the hardware FIFO. When reading from cmdfifo in do_command_phase() use the
underlying esp_fifo8_pop_buf() function directly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240324191707.623175-3-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland [Sun, 24 Mar 2024 19:16:50 +0000 (19:16 +0000)]
esp.c: move esp_fifo_pop_buf() internals to new esp_fifo8_pop_buf() function
Update esp_fifo_pop_buf() to be a simple wrapper onto the new esp_fifo8_pop_buf()
function.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240324191707.623175-2-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Zheyu Ma [Thu, 4 Apr 2024 12:00:40 +0000 (14:00 +0200)]
block/virtio-blk: Fix memory leak from virtio_blk_zone_report
This modification ensures that in scenarios where the buffer size is
insufficient for a zone report, the function will now properly set an
error status and proceed to a cleanup label, instead of merely
returning.
The following ASAN log reveals it:
==1767400==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 312 byte(s) in 1 object(s) allocated from:
#0 0x64ac7b3280cd in malloc llvm/compiler-rt/lib/asan/asan_malloc_linux.cpp:129:3
#1 0x735b02fb9738 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x5e738)
#2 0x64ac7d23be96 in virtqueue_split_pop hw/virtio/virtio.c:1612:12
#3 0x64ac7d23728a in virtqueue_pop hw/virtio/virtio.c:1783:16
#4 0x64ac7cfcaacd in virtio_blk_get_request hw/block/virtio-blk.c:228:27
#5 0x64ac7cfca7c7 in virtio_blk_handle_vq hw/block/virtio-blk.c:1123:23
#6 0x64ac7cfecb95 in virtio_blk_handle_output hw/block/virtio-blk.c:1157:5
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Message-id: 20240404120040.1951466-1-zheyuma97@gmail.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
pc_q35: remove unnecessary m->alias assignment
lsi53c895a: avoid out of bounds access to s->msg[]
vga: do not treat horiz pel panning value of 8 as "enabled"
vga: adjust dirty memory region if pel panning is active
vga: move computation of dirty memory region later
vga: merge conditionals on shift control register
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Paolo Bonzini [Sun, 31 Mar 2024 18:04:41 +0000 (20:04 +0200)]
lsi53c895a: avoid out of bounds access to s->msg[]
If no bytes are there to process in the message in phase,
the input data latch (s->sidl) is set to s->msg[-1]. Just
do nothing since no DMA is performed.
Reported-by: Chuhong Yuan <hslester96@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Tue, 2 Apr 2024 10:26:36 +0000 (12:26 +0200)]
vga: do not treat horiz pel panning value of 8 as "enabled"
Horizontal pel panning bit 3 is only used in text mode. In graphics
mode, it can be treated as if it was zero, thus not extending the
dirty memory region.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Tue, 2 Apr 2024 10:25:57 +0000 (12:25 +0200)]
vga: adjust dirty memory region if pel panning is active
When pel panning is active, one more byte is read from each of the VGA
memory planes. This has to be accounted in the computation of region_end,
otherwise vga_draw_graphic() fails an assertion:
Paolo Bonzini [Tue, 2 Apr 2024 10:25:34 +0000 (12:25 +0200)]
vga: move computation of dirty memory region later
Move the computation of region_start and region_end after the value of
"bits" is known. This makes it possible to distinguish modes that
support horizontal pel panning from modes that do not.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Tue, 2 Apr 2024 10:24:20 +0000 (12:24 +0200)]
vga: merge conditionals on shift control register
There are two sets of conditionals using the shift control bits: one to
verify the palette and adjust disp_width, one to compute the "v" and
"bits" variables. Merge them into one, with the extra benefit that
we now have the "bits" value available early and can use it to
compute region_end.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Peter Maydell [Tue, 2 Apr 2024 15:22:58 +0000 (16:22 +0100)]
Merge tag 'hw-misc-20240402' of https://github.com/philmd/qemu into staging
Misc HW patch queue
- MAINTAINERS updates (Zhao, Glenn)
- Replace incorrect mentions of 'softmmu' by 'system' (Phil)
- Avoid using inlined functions with external linkage (Phil)
- Restrict CXL to x86 PC PCI-based machines (Phil)
- Remove unnecessary NULL check in bdrv_pad_request (Kevin)
- Fix a pair of -Werror=maybe-uninitialized (Marc-André)
- Initialize variable in xen_evtchn_soft_reset (Artem)
- Do not access virtio-net tx queue until vhost is started (Yajun)
hw/net/virtio-net: fix qemu set used ring flag even vhost started
When vhost-user or vhost-kernel is handling virtio net datapath,
QEMU should not touch used ring.
But with vhost-user socket reconnect scenario, in a very rare case
(has pending kick event). VRING_USED_F_NO_NOTIFY is set by QEMU in
following code path:
#0 virtio_queue_split_set_notification (vq=0x7ff5f4c920a8, enable=0) at ../hw/virtio/virtio.c:511
#1 0x0000559d6dbf033b in virtio_queue_set_notification (vq=0x7ff5f4c920a8, enable=0) at ../hw/virtio/virtio.c:576
#2 0x0000559d6dbbbdbc in virtio_net_handle_tx_bh (vdev=0x559d703a6aa0, vq=0x7ff5f4c920a8) at ../hw/net/virtio-net.c:2801
#3 0x0000559d6dbf4791 in virtio_queue_notify_vq (vq=0x7ff5f4c920a8) at ../hw/virtio/virtio.c:2248
#4 0x0000559d6dbf79da in virtio_queue_host_notifier_read (n=0x7ff5f4c9211c) at ../hw/virtio/virtio.c:3525
#5 0x0000559d6d9a5814 in virtio_bus_cleanup_host_notifier (bus=0x559d703a6a20, n=1) at ../hw/virtio/virtio-bus.c:321
#6 0x0000559d6dbf83c9 in virtio_device_stop_ioeventfd_impl (vdev=0x559d703a6aa0) at ../hw/virtio/virtio.c:3774
#7 0x0000559d6d9a55c8 in virtio_bus_stop_ioeventfd (bus=0x559d703a6a20) at ../hw/virtio/virtio-bus.c:259
#8 0x0000559d6d9a53e8 in virtio_bus_grab_ioeventfd (bus=0x559d703a6a20) at ../hw/virtio/virtio-bus.c:199
#9 0x0000559d6dbf841c in virtio_device_grab_ioeventfd (vdev=0x559d703a6aa0) at ../hw/virtio/virtio.c:3783
#10 0x0000559d6d9bde18 in vhost_dev_enable_notifiers (hdev=0x559d707edd70, vdev=0x559d703a6aa0) at ../hw/virtio/vhost.c:1592
#11 0x0000559d6d89a0b8 in vhost_net_start_one (net=0x559d707edd70, dev=0x559d703a6aa0) at ../hw/net/vhost_net.c:266
#12 0x0000559d6d89a6df in vhost_net_start (dev=0x559d703a6aa0, ncs=0x559d7048d890, data_queue_pairs=31, cvq=0) at ../hw/net/vhost_net.c:412
#13 0x0000559d6dbb5b89 in virtio_net_vhost_status (n=0x559d703a6aa0, status=15 '\017') at ../hw/net/virtio-net.c:311
#14 0x0000559d6dbb5e34 in virtio_net_set_status (vdev=0x559d703a6aa0, status=15 '\017') at ../hw/net/virtio-net.c:392
#15 0x0000559d6dbb60d8 in virtio_net_set_link_status (nc=0x559d7048d890) at ../hw/net/virtio-net.c:455
#16 0x0000559d6da64863 in qmp_set_link (name=0x559d6f0b83d0 "hostnet1", up=true, errp=0x7ffdd76569f0) at ../net/net.c:1459
#17 0x0000559d6da7226e in net_vhost_user_event (opaque=0x559d6f0b83d0, event=CHR_EVENT_OPENED) at ../net/vhost-user.c:301
#18 0x0000559d6ddc7f63 in chr_be_event (s=0x559d6f2ffea0, event=CHR_EVENT_OPENED) at ../chardev/char.c:62
#19 0x0000559d6ddc7fdc in qemu_chr_be_event (s=0x559d6f2ffea0, event=CHR_EVENT_OPENED) at ../chardev/char.c:82
This issue causes guest kernel stop kicking device and traffic stop.
Add vhost_started check in virtio_net_handle_tx_bh to fix this wrong
VRING_USED_F_NO_NOTIFY set.
Signed-off-by: Yajun Wu <yajunw@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20240402045109.97729-1-yajunw@nvidia.com>
[PMD: Use unlikely()] Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Glenn Miles [Thu, 28 Mar 2024 19:49:14 +0000 (14:49 -0500)]
gpio/pca955x: Update maintainer email address
It was noticed that my linux.vnet.ibm.com address does not
always work so dropping the vnet to see if that works better.
Signed-off-by: Glenn Miles <milesg@linux.ibm.com>
Message-ID: <20240328194914.2145709-1-milesg@linux.vnet.ibm.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Kevin Wolf [Wed, 27 Mar 2024 19:27:50 +0000 (20:27 +0100)]
block: Remove unnecessary NULL check in bdrv_pad_request()
Coverity complains that the check introduced in commit 3f934817 suggests
that qiov could be NULL and we dereference it before reaching the check.
In fact, all of the callers pass a non-NULL pointer, so just remove the
misleading check.
Resolves: Coverity CID 1542668 Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20240327192750.204197-1-kwolf@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
CXL is based on PCIe. In is pointless to initialize
its context on non-PCI machines.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-ID: <20240327161642.33574-1-philmd@linaro.org>
Zhao Liu [Wed, 27 Mar 2024 11:55:39 +0000 (19:55 +0800)]
MAINTAINERS: Fix error-report.c entry
The commit 15002f60f792 ("util: rename qemu-error.c to match its header
name") renamed util/qemu-error.c to util/error-report.c but missed to
change the corresponding entry.
To avoid get_maintainer.pl failing, update the error-report.c entry.
Fixes: 15002f60f7 ("util: rename qemu-error.c to match its header name") Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240327115539.3860270-1-zhao1.liu@linux.intel.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Since size_to_prdtl() is only used within ahci.c,
declare it statically. This removes the last use
of "inlined function with external linkage". See
previous commit and commit 9de9fa5cf2 for rationale.
Suggested-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20240326171009.26696-4-philmd@linaro.org>
See previous commit and commit 9de9fa5cf2 ("Avoid using inlined
functions with external linkage") for rationale.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240313184954.42513-3-philmd@linaro.org>
hw/arm/smmu: Avoid using inlined functions with external linkage again
Similarly to commit 9de9fa5cf2 ("hw/arm/smmu-common: Avoid using
inlined functions with external linkage"):
None of our code base require / use inlined functions with external
linkage. Some places use internal inlining in the hot path. These
two functions are certainly not in any hot path and don't justify
any inlining, so these are likely oversights rather than intentional.
Fix:
C compiler for the host machine: clang (clang 15.0.0 "Apple clang version 15.0.0 (clang-1500.3.9.4)")
...
hw/arm/smmu-common.c:203:43: error: static function 'smmu_hash_remove_by_vmid' is
used in an inline function with external linkage [-Werror,-Wstatic-in-inline]
g_hash_table_foreach_remove(s->iotlb, smmu_hash_remove_by_vmid, &vmid);
^
include/hw/arm/smmu-common.h:197:1: note: use 'static' to give inline function 'smmu_iotlb_inv_vmid' internal linkage
void smmu_iotlb_inv_vmid(SMMUState *s, uint16_t vmid);
^
static
hw/arm/smmu-common.c:139:17: note: 'smmu_hash_remove_by_vmid' declared here
static gboolean smmu_hash_remove_by_vmid(gpointer key, gpointer value,
^
Fixes: ccc3ee3871 ("hw/arm/smmuv3: Add CMDs related to stage-2") Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20240313184954.42513-2-philmd@linaro.org>
Unify with other init_excp_FOO() in the same file.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Acked-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240313213339.82071-5-philmd@linaro.org>
gdbstub/system: Rename 'user_ctx' argument as 'ctx'
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240313213339.82071-4-philmd@linaro.org>
gdbstub: Correct invalid mentions of 'softmmu' by 'system'
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240313213339.82071-3-philmd@linaro.org>
The CONFIG_SOFTMMU_GATE definition was never used, remove it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240313213339.82071-2-philmd@linaro.org>
* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu:
hmp: Add help information for watchdog action: inject-nmi
Fix some typos in documentation (found by codespell)
fpu/softfloat: Remove mention of TILE-Gx target
usb-audio: Fix invalid values in AudioControl descriptors
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Dayu Liu [Mon, 1 Apr 2024 09:43:55 +0000 (17:43 +0800)]
hmp: Add help information for watchdog action: inject-nmi
virsh qemu-monitor-command --hmp help information of
watchdog_action missing inject-nmi which already supported
in Commit 795dc6e4
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2247 Signed-off-by: Dayu Liu <liu.dayu@zte.com.cn> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
[Mjt: decode and word-wrap commit message and add Resolves: tag]
Peter Maydell [Tue, 2 Apr 2024 10:34:49 +0000 (11:34 +0100)]
Merge tag 'pull-target-arm-20240402' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* take HSTR traps of cp15 accesses to EL2, not EL1
* docs: sbsa: update specs, add dt note
* hw/intc/arm_gicv3: ICC_HPPIR* return SPURIOUS if int group is disabled
* tests/qtest: Fix STM32L4x5 GPIO test on 32-bit
* raspi4b: Reduce RAM to 1Gb on 32-bit hosts
* tag 'pull-target-arm-20240402' of https://git.linaro.org/people/pmaydell/qemu-arm:
raspi4b: Reduce RAM to 1Gb on 32-bit hosts
tests/qtest: Fix STM32L4x5 GPIO test on 32-bit
hw/intc/arm_gicv3: ICC_HPPIR* return SPURIOUS if int group is disabled
docs: sbsa: update specs, add dt note
target/arm: take HSTR traps of cp15 accesses to EL2, not EL1
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Cédric Le Goater [Fri, 29 Mar 2024 09:27:47 +0000 (10:27 +0100)]
tests/qtest: Fix STM32L4x5 GPIO test on 32-bit
The test mangles the GPIO address and the pin number in the
qtest_add_data_func data parameter. Doing so, it assumes that the host
pointer size is always 64-bit, which breaks on 32-bit :
../tests/qtest/stm32l4x5_gpio-test.c: In function ‘test_gpio_output_mode’:
../tests/qtest/stm32l4x5_gpio-test.c:272:25: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
272 | unsigned int pin = ((uint64_t)data) & 0xF;
| ^
../tests/qtest/stm32l4x5_gpio-test.c:273:22: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
273 | uint32_t gpio = ((uint64_t)data) >> 32;
| ^
To fix, improve the mangling of the GPIO address and pin number fields
by using GPIO_SIZE so that the resulting value fits in a 32-bit pointer.
While at it, include some helpers to hide the details.
Cc: Arnaud Minier <arnaud.minier@telecom-paris.fr> Cc: Inès Varhol <ines.varhol@telecom-paris.fr> Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-id: 20240329092747.298259-1-clg@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Thu, 28 Mar 2024 15:33:33 +0000 (15:33 +0000)]
hw/intc/arm_gicv3: ICC_HPPIR* return SPURIOUS if int group is disabled
If the group of the highest priority pending interrupt is disabled
via ICC_IGRPEN*, the ICC_HPPIR* registers should return
INTID_SPURIOUS, not the interrupt ID. (See the GIC architecture
specification pseudocode functions ICC_HPPIR1_EL1[] and
HighestPriorityPendingInterrupt().)
Make HPPIR reads honour the group disable, the way we already do
when determining whether to preempt in icc_hppi_can_preempt().
Cc: qemu-stable@nongnu.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240328153333.2522667-1-peter.maydell@linaro.org
Peter Maydell [Tue, 2 Apr 2024 08:54:41 +0000 (09:54 +0100)]
target/arm: take HSTR traps of cp15 accesses to EL2, not EL1
The HSTR_EL2 register allows the hypervisor to trap AArch32 EL1 and
EL0 accesses to cp15 registers. We incorrectly implemented this so
they trap to EL1 when we detect the need for a HSTR trap at code
generation time. (The check in access_check_cp_reg() which we do at
runtime to catch traps from EL0 is correctly routing them to EL2.)
Use the correct target EL when generating the code to take the trap.
Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2226 Fixes: 049edada5e93df ("target/arm: Make HSTR_EL2 traps take priority over UNDEF-at-EL1") Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240325133116.2075362-1-peter.maydell@linaro.org
TILE-Gx has been removed during the v6.0 release (see
commit 2cc1a90166 "Remove deprecated target tilegx"),
no need to mention it in the list of "supported targets".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Joonas Kankaala [Sat, 9 Mar 2024 17:29:32 +0000 (19:29 +0200)]
usb-audio: Fix invalid values in AudioControl descriptors
This fixes the invalid bInterfaceProtocol value 0x04 in the USB audio
AudioControl descriptors. It should be zero. While Linux and Windows
forgive this error, macOS 14 Sonoma does not. The usb-audio device does
not appear in macOS sound settings even though the device is recognized
and shows up in USB system information. According to the USB audio class
specs 1.0-4.0, valid values are 0x00, 0x20, 0x30 and 0x40. (Note also
that Linux prints the warning "unknown interface protocol 0x4, assuming
v1", but then proceeds as if the value was zero.)
This also fixes the invalid wTotalLength value in the multi-channel
setup AudioControl interface header descriptor (used when multi=on
and out.mixing-engine off). The combined length of all the descriptors
there add up to 0x37, not 0x38. In Linux, "lsusb -D ..." displays
incomplete descriptor information when this length is incorrect.
Signed-off-by: Joonas Kankaala <joonas.a.kankaala@gmail.com> Reviewed-by: Volker Rümelin <vr_qemu@t-online.de> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Peter Maydell [Mon, 1 Apr 2024 12:12:40 +0000 (13:12 +0100)]
Merge tag 'migration-20240331-pull-request' of https://gitlab.com/peterx/qemu into staging
Migration pull for 9.0-rc2
- Avihai's two fixes on error paths
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# gpg: Signature made Sun 31 Mar 2024 19:32:27 BST
# gpg: using EDDSA key B9184DC20CC457DACF7DD1A93B5FCCCDF3ABD706
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* tag 'migration-20240331-pull-request' of https://gitlab.com/peterx/qemu:
migration/postcopy: Ensure postcopy_start() sets errp if it fails
migration: Set migration error in migration_completion()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Michael Tokarev [Mon, 1 Apr 2024 05:16:33 +0000 (08:16 +0300)]
gitlab-ci/cirrus: switch from 'master' to 'latest'
Commit ab72522797 "gitlab: switch from 'stable' to
'latest' docker container tags" switched most tags
to 'latest' but missed cirrus image. Fix this now.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2256 Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-id: 20240401051633.2780456-1-mjt@tls.msk.ru Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Avihai Horon [Thu, 28 Mar 2024 14:02:52 +0000 (16:02 +0200)]
migration/postcopy: Ensure postcopy_start() sets errp if it fails
There are several places where postcopy_start() fails without setting
errp. This can cause a null pointer de-reference, as in case of error,
the caller of postcopy_start() copies/prints the error set in errp.
Fix it by setting errp in all of postcopy_start() error paths.
Avihai Horon [Thu, 28 Mar 2024 14:02:51 +0000 (16:02 +0200)]
migration: Set migration error in migration_completion()
After commit 9425ef3f990a ("migration: Use migrate_has_error() in
close_return_path_on_source()"), close_return_path_on_source() assumes
that migration error is set if an error occurs during migration.
This may not be true if migration errors in migration_completion(). For
example, if qemu_savevm_state_complete_precopy() errors, migration error
will not be set.
This in turn, will cause a migration hang bug, similar to the bug that
was fixed by commit 22b04245f0d5 ("migration: Join the return path
thread before releasing to_dst_file"), as shutdown() will not be issued
for the return-path channel.
Fix it by ensuring migration error is set in case of error in
migration_completion().
Signed-off-by: Avihai Horon <avihaih@nvidia.com> Reviewed-by: Peter Xu <peterx@redhat.com> Fixes: 9425ef3f990a ("migration: Use migrate_has_error() in close_return_path_on_source()") Acked-by: Cédric Le Goater <clg@redhat.com> Link: https://lore.kernel.org/r/20240328140252.16756-2-avihaih@nvidia.com Signed-off-by: Peter Xu <peterx@redhat.com>
Peter Maydell [Sun, 31 Mar 2024 15:43:07 +0000 (16:43 +0100)]
Merge tag 'pull-ppc-for-9.0-3-20240331' of https://gitlab.com/npiggin/qemu into staging
Various fixes for recent regressions and new code.
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# gpg: using RSA key 4E437DDA56616F4329B0A79567B30276A8621CAE
# gpg: Good signature from "Nicholas Piggin <npiggin@gmail.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 4E43 7DDA 5661 6F43 29B0 A795 67B3 0276 A862 1CAE
* tag 'pull-ppc-for-9.0-3-20240331' of https://gitlab.com/npiggin/qemu:
tests/avocado: ppc_hv_tests.py set alpine time before setup-alpine
tests/avocado: Fix ppc_hv_tests.py xorriso dependency guard
target/ppc: Do not clear MSR[ME] on MCE interrupts to supervisor
target/ppc: Fix GDB register indexing on secondary CPUs
target/ppc: Restore [H]DEXCR to 64-bits
target/ppc/mmu-radix64: Use correct string format in walk_tree()
hw/ppc/spapr: Include missing 'sysemu/tcg.h' header
spapr: nested: use bitwise NOT operator for flags check
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Sun, 31 Mar 2024 15:42:58 +0000 (16:42 +0100)]
Merge tag 'pull-9p-20240329' of https://github.com/cschoenebeck/qemu into staging
Changes for 9p tests only:
* Fix 9p tests for riscv.
* Re-enable 9p 'local' tests for running in CI pipelines.
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# gpg: Signature made Fri 29 Mar 2024 08:46:18 GMT
# gpg: using RSA key 96D8D110CF7AF8084F88590134C2B58765A47395
# gpg: issuer "qemu_oss@crudebyte.com"
# gpg: Good signature from "Christian Schoenebeck <qemu_oss@crudebyte.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
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* tag 'pull-9p-20240329' of https://github.com/cschoenebeck/qemu:
qtest/virtio-9p-test.c: remove g_test_slow() gate
qtest/virtio-9p-test.c: create/remove temp dirs after each test
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Sun, 31 Mar 2024 15:42:48 +0000 (16:42 +0100)]
Merge tag 'pull-pa-20240329' of https://gitlab.com/rth7680/qemu into staging
target/hppa: Fix BE,L set of sr0
target/hppa: Fix B,GATE for wide mode
target/hppa: Mark interval timer write as io
target/hppa: Fix EIRR, EIEM versus icount
target/hppa: Fix DCOR reconstruction of carry bits
target/hppa: Fix unit carry conditions
target/hppa: Fix overflow computation for shladd
target/hppa: Add diag instructions to set/restore shadow registers
target/hppa: Clear psw_n for BE on use_nullify_skip path
* tag 'pull-pa-20240329' of https://gitlab.com/rth7680/qemu:
target/hppa: Clear psw_n for BE on use_nullify_skip path
target/hppa: Add diag instructions to set/restore shadow registers
target/hppa: Move diag argument handling to decodetree
target/hppa: Generate getshadowregs inline
target/hppa: Fix overflow computation for shladd
target/hppa: Replace c with uv in do_cond
target/hppa: Squash d for pa1.x during decode
target/hppa: Fix unit carry conditions
target/hppa: Optimize UADDCM with no condition
target/hppa: Fix DCOR reconstruction of carry bits
target/hppa: Use gva_offset_mask() everywhere
target/hppa: Fix EIRR, EIEM versus icount
target/hppa: Tidy read of interval timer
target/hppa: Mark interval timer write as io
target/hppa: Fix ADD/SUB trap on overflow for narrow mode
target/hppa: Handle unit conditions for wide mode
target/hppa: Fix B,GATE for wide mode
target/hppa: Fix BE,L set of sr0
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Sat, 30 Mar 2024 14:54:57 +0000 (14:54 +0000)]
Merge tag 'pull-tcg-20240329' of https://gitlab.com/rth7680/qemu into staging
linux-user: Fix shmat(NULL) for host != guest page size
tcg/optimize: Fix sign_mask for logical right-shift
accel/tcg: Use CPUState.get_pc in cpu_io_recompile
disas: Show opcodes for target_disas and monitor_disas
* tag 'pull-tcg-20240329' of https://gitlab.com/rth7680/qemu:
accel/tcg: Use CPUState.get_pc in cpu_io_recompile
disas: Show opcodes for target_disas and monitor_disas
tcg/optimize: Fix sign_mask for logical right-shift
tests/tcg: Test shmat(NULL)
linux-user: Fix shmat(NULL) for h != g
linux-user: Fix shmat() strace
linux-user: Fix semctl() strace
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Sat, 30 Mar 2024 14:54:30 +0000 (14:54 +0000)]
Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging
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# gpg: Signature made Fri 29 Mar 2024 07:03:13 GMT
# gpg: using RSA key 215D46F48246689EC77F3562EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211
* tag 'net-pull-request' of https://github.com/jasowang/qemu:
Revert "tap: setting error appropriately when calling net_init_tap_one()"
tap-win32: Remove unnecessary stubs
hw/net/net_tx_pkt: Fix virtio header without checksum offloading
ebpf: Fix indirections table setting
virtio-net: Fix vhost virtqueue notifiers for RSS
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Nicholas Piggin [Thu, 28 Mar 2024 02:00:15 +0000 (12:00 +1000)]
tests/avocado: ppc_hv_tests.py set alpine time before setup-alpine
If the time is wrong, setup-alpine SSL certificate checks can fail.
setup-alpine is used to bring up the network, but it doesn't seem
to to set NTP time before the failing SSL checks. This test has
recently started failing presumably because the default time has
now fallen too far behind.
Fix this by setting time from the host time before running setup-alpine.
For some reason the skipIf missing_deps() check fails to skip the test
if it comes after the skipUnless lines, causing an error running on
systems without xorriso.
Avocado implements skipUnless is just an inverted skipIf, so it's not
clear what the bug is or why this fixes it. For now it's enough to
get things working.
projects / qemu-xen.git / log