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2022-03-28tools/virtio: compile with -pthreadMichael S. Tsirkin1-1/+2
When using pthreads, one has to compile and link with -lpthread, otherwise e.g. glibc is not guaranteed to be reentrant. This replaces -lpthread. Reported-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-03-28tools/virtio: fix after premapped buf supportMichael S. Tsirkin1-2/+2
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-03-06tools/virtio: handle fallout from folio workMichael S. Tsirkin1-0/+3
just add a stub Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-03-06tools/virtio: fix virtio_test executionStefano Garzarella1-0/+1
virtio_test hangs on __vring_new_virtqueue() because `vqs_list_lock` is not initialized. Let's initialize it in vdev_info_init(). Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Link: https://lore.kernel.org/r/20220118150631.167015-1-sgarzare@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
2021-08-11tools/virtio: fix buildMichael S. Tsirkin3-1/+60
We use a spinlock now so add a stub. Ignore bogus uninitialized variable warnings. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-12-19tools/virtio: add barrier for aarch64Peng Fan1-0/+10
Add barrier for aarch64 for cross compiling, and most are from Linux Kernel. Signed-off-by: Peng Fan <peng.fan@nxp.com> Link: https://lore.kernel.org/r/20201209084205.24062-4-peng.fan@oss.nxp.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-12-19tools/virtio: add krealloc_arrayPeng Fan1-2/+11
krealloc_array is used in drivers/vhost/vringh.c, add it to avoid build failure. Drop WARN_ON_ONCE, because duplicated with the one in bug.h Signed-off-by: Peng Fan <peng.fan@nxp.com> Link: https://lore.kernel.org/r/20201209084205.24062-3-peng.fan@oss.nxp.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-12-19tools/virtio: include asm/bug.hPeng Fan1-0/+2
WARN_ON is used in drivers/vhost/vringh.c, to avoid build failure, need include asm/bug.h Signed-off-by: Peng Fan <peng.fan@nxp.com> Link: https://lore.kernel.org/r/20201209084205.24062-2-peng.fan@oss.nxp.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-08-12Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds1-3/+3
Pull virtio updates from Michael Tsirkin: - IRQ bypass support for vdpa and IFC - MLX5 vdpa driver - Endianness fixes for virtio drivers - Misc other fixes * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (71 commits) vdpa/mlx5: fix up endian-ness for mtu vdpa: Fix pointer math bug in vdpasim_get_config() vdpa/mlx5: Fix pointer math in mlx5_vdpa_get_config() vdpa/mlx5: fix memory allocation failure checks vdpa/mlx5: Fix uninitialised variable in core/mr.c vdpa_sim: init iommu lock virtio_config: fix up warnings on parisc vdpa/mlx5: Add VDPA driver for supported mlx5 devices vdpa/mlx5: Add shared memory registration code vdpa/mlx5: Add support library for mlx5 VDPA implementation vdpa/mlx5: Add hardware descriptive header file vdpa: Modify get_vq_state() to return error code net/vdpa: Use struct for set/get vq state vdpa: remove hard coded virtq num vdpasim: support batch updating vhost-vdpa: support IOTLB batching hints vhost-vdpa: support get/set backend features vhost: generialize backend features setting/getting vhost-vdpa: refine ioctl pre-processing vDPA: dont change vq irq after DRIVER_OK ...
2020-08-03virtio: virtio_has_iommu_quirk -> virtio_has_dma_quirkMichael S. Tsirkin1-2/+2
Now that the corresponding feature bit has been renamed, rename the quirk too - it's about special ways to do DMA, not necessarily about the IOMMU. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-08-03virtio: VIRTIO_F_IOMMU_PLATFORM -> VIRTIO_F_ACCESS_PLATFORMMichael S. Tsirkin1-1/+1
Rename the bit to match latest virtio spec. Add a compat macro to avoid breaking existing userspace. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: David Hildenbrand <david@redhat.com>
2020-07-16compiler: Remove uninitialized_var() macroKees Cook1-2/+0
Using uninitialized_var() is dangerous as it papers over real bugs[1] (or can in the future), and suppresses unrelated compiler warnings (e.g. "unused variable"). If the compiler thinks it is uninitialized, either simply initialize the variable or make compiler changes. As recommended[2] by[3] Linus[4], remove the macro. With the recent change to disable -Wmaybe-uninitialized in v5.7 in commit 78a5255ffb6a ("Stop the ad-hoc games with -Wno-maybe-initialized"), this is likely the best time to make this treewide change. [1] https://lore.kernel.org/lkml/20200603174714.192027-1-glider@google.com/ [2] https://lore.kernel.org/lkml/CA+55aFw+Vbj0i=1TGqCR5vQkCzWJ0QxK6CernOU6eedsudAixw@mail.gmail.com/ [3] https://lore.kernel.org/lkml/CA+55aFwgbgqhbp1fkxvRKEpzyR5J8n1vKT1VZdz9knmPuXhOeg@mail.gmail.com/ [4] https://lore.kernel.org/lkml/CA+55aFz2500WfbKXAx8s67wrm9=yVJu65TpLgN_ybYNv0VEOKA@mail.gmail.com/ Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Reviewed-by: Bart van Assche <bvanassche@acm.org> Reviewed-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Tested-by: Nathan Chancellor <natechancellor@gmail.com> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org>
2020-06-22tools/virtio: Use tools/include/list.h instead of stubsEugenio Pérez4-9/+6
It should not make any significant difference but reduce stub code. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Link: https://lore.kernel.org/r/20200418102217.32327-9-eperezma@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-22tools/virtio: Reset index in virtio_test --reset.Eugenio Pérez1-2/+24
This way behavior for vhost is more like a VM. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Link: https://lore.kernel.org/r/20200418102217.32327-8-eperezma@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-22tools/virtio: Extract virtqueue initialization in vq_resetEugenio Pérez1-7/+14
So we can reset after that in the main loop. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Link: https://lore.kernel.org/r/20200418102217.32327-7-eperezma@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-22tools/virtio: Use __vring_new_virtqueue in virtio_test.cEugenio Pérez1-4/+3
As updated in ("2a2d1382fe9d virtio: Add improved queue allocation API") Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Link: https://lore.kernel.org/r/20200418102217.32327-6-eperezma@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-22tools/virtio: Add --resetEugenio Pérez1-4/+37
Currently, it only removes and add backend, but it will reset vq position in future commits. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Link: https://lore.kernel.org/r/20200418102217.32327-5-eperezma@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-22tools/virtio: Add --batch=random optionEugenio Pérez1-4/+14
So we can test with non-deterministic batches in flight. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Link: https://lore.kernel.org/r/20200418102217.32327-4-eperezma@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-22tools/virtio: Add --batch optionEugenio Pérez1-10/+37
This allow to test vhost having >1 buffers in flight Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Link: https://lore.kernel.org/r/20200401183118.8334-5-eperezma@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Link: https://lore.kernel.org/r/20200418102217.32327-3-eperezma@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-04-17tools/virtio: make asm/barrier.h self containedMichael S. Tsirkin1-0/+1
We are using abort() so let's include stdlib.h Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-04-17tools/virtio: define aligned attributeMichael S. Tsirkin1-0/+1
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-04-17virtio/test: fix up after IOTLB changesMichael S. Tsirkin2-2/+3
Allow building vringh without IOTLB (that's the case for userspace builds, will be useful for CAIF/VOD down the road too). Update for API tweaks. Don't include vringh with userspace builds. Cc: Jason Wang <jasowang@redhat.com> Cc: Eugenio Pérez <eperezma@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
2020-04-08Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds1-1/+26
Pull virtio updates from Michael Tsirkin: - Some bug fixes - The new vdpa subsystem with two first drivers * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: virtio-balloon: Revert "virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM" vdpa: move to drivers/vdpa virtio: Intel IFC VF driver for VDPA vdpasim: vDPA device simulator vhost: introduce vDPA-based backend virtio: introduce a vDPA based transport vDPA: introduce vDPA bus vringh: IOTLB support vhost: factor out IOTLB vhost: allow per device message handler vhost: refine vhost and vringh kconfig virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM virtio-net: Introduce hash report feature virtio-net: Introduce RSS receive steering feature virtio-net: Introduce extended RSC feature tools/virtio: option to build an out of tree module
2020-03-25.gitignore: add SPDX License IdentifierMasahiro Yamada1-0/+1
Add SPDX License Identifier to all .gitignore files. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-23tools/virtio: option to build an out of tree moduleMichael S. Tsirkin1-1/+26
Handy for testing with distro kernels. Warn that the resulting module is completely unsupported, and isn't intended for production use. Usage: make oot # builds vhost_test.ko, vhost.ko make oot-clean # cleans out files created Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2019-10-13tools/virtio: xen stubMichael S. Tsirkin1-0/+6
Fixes test module build. Reported-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2019-10-11tools/virtio: more stubsMichael S. Tsirkin2-0/+2
fix test module build. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2019-06-19treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482Thomas Gleixner4-4/+4
Based on 1 normalized pattern(s): this work is licensed under the terms of the gnu gpl version 2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 48 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Enrico Weigelt <info@metux.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081204.624030236@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-03Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds1-1/+1
Pull virtio fixes from Michael Tsirkin: "Several fixes, some of them for CVEs" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vhost: scsi: add weight support vhost: vsock: add weight support vhost_net: fix possible infinite loop vhost: introduce vhost_exceeds_weight() virtio: Fix indentation of VIRTIO_MMIO virtio: add unlikely() to WARN_ON_ONCE()
2019-05-30treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 165Thomas Gleixner3-9/+3
Based on 1 normalized pattern(s): licensed under gpl version 2 only extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 3 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Armijn Hemel <armijn@tjaldur.nl> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.838202816@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-27virtio: add unlikely() to WARN_ON_ONCE()Igor Stoppa1-1/+1
The condition to test is unlikely() to be true. Add the hint. Signed-off-by: Igor Stoppa <igor.stoppa@huawei.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Virtualization@lists.linux-foundation.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-12tools/virtio/ringtest: Remove bogus definition of BUG_ON()Jonathan Neuschäfer1-1/+0
BUG_ON(x) should raise an error if x is true, but assert(x) raises an error if x is false. Remove this bogus definition of BUG_ON(), which isn't used anyway. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-12-20virtio: fix test build after uio.h changeMichael S. Tsirkin1-0/+4
Fixes: d38499530e5 ("fs: decouple READ and WRITE from the block layer ops") Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-07-27tools/virtio: add kmalloc_array stubMichael S. Tsirkin1-0/+5
Fixes: 6da2ec56059 ("treewide: kmalloc() -> kmalloc_array()") Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-07-27tools/virtio: add dma barrier stubsMichael S. Tsirkin1-2/+2
Fixes: 55e49dc43a8 ("virtio_ring: switch to dma_XX barriers for rpmsg") Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-06-29sg: remove ->sg_magic memberJens Axboe1-18/+0
This was introduced more than a decade ago when sg chaining was added, but we never really caught anything with it. The scatterlist entry size can be critical, since drivers allocate it, so remove the magic member. Recently it's been triggering allocation stalls and failures in NVMe. Tested-by: Jordan Glover <Golden_Miller83@protonmail.ch> Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-05-07PCI: remove PCI_DMA_BUS_IS_PHYSChristoph Hellwig1-2/+0
This was used by the ide, scsi and networking code in the past to determine if they should bounce payloads. Now that the dma mapping always have to support dma to all physical memory (thanks to swiotlb for non-iommu systems) there is no need to this crude hack any more. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Palmer Dabbelt <palmer@sifive.com> (for riscv) Reviewed-by: Jens Axboe <axboe@kernel.dk>
2018-03-20ptr_ring: fix buildMichael S. Tsirkin1-0/+5
Fixes after recent use of kvmalloc Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-02-08Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds2-23/+31
Pull virtio/vhost updates from Michael Tsirkin: "virtio, vhost: fixes, cleanups, features This includes the disk/cache memory stats for for the virtio balloon, as well as multiple fixes and cleanups" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vhost: don't hold onto file pointer for VHOST_SET_LOG_FD vhost: don't hold onto file pointer for VHOST_SET_VRING_ERR vhost: don't hold onto file pointer for VHOST_SET_VRING_CALL ringtest: ring.c malloc & memset to calloc virtio_vop: don't kfree device on register failure virtio_pci: don't kfree device on register failure virtio: split device_register into device_initialize and device_add vhost: remove unused lock check flag in vhost_dev_cleanup() vhost: Remove the unused variable. virtio_blk: print capacity at probe time virtio: make VIRTIO a menuconfig to ease disabling it all virtio/ringtest: virtio_ring: fix up need_event math virtio/ringtest: fix up need_event math virtio: virtio_mmio: make of_device_ids const. firmware: Use PTR_ERR_OR_ZERO() virtio-mmio: Use PTR_ERR_OR_ZERO() vhost/scsi: Improve a size determination in four functions virtio_balloon: include disk/file caches memory statistics
2018-02-01ringtest: ring.c malloc & memset to callocPeter Malone1-4/+2
Code cleanup change - moving from malloc & memset to calloc. Signed-off-by: Peter Malone <peter.malone@gmail.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-01-31virtio/ringtest: virtio_ring: fix up need_event mathMichael S. Tsirkin1-10/+14
last kicked event index must be updated unconditionally: even if we don't need to kick, we do not want to re-check the same entry for events. Reported-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Jens Freimann <jfreimann@redhat.com>
2018-01-31virtio/ringtest: fix up need_event mathMichael S. Tsirkin1-9/+15
last kicked event index must be updated unconditionally: even if we don't need to kick, we do not want to re-check the same entry for events. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Cornelia Huck <cohuck@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
2018-01-29tools/virtio: fix smp_mb on x86Michael S. Tsirkin1-1/+1
Offset 128 overlaps the last word of the redzone. Use 132 which is always beyond that. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-29tools/virtio: copy READ/WRITE_ONCEMichael S. Tsirkin1-0/+57
This is to make ptr_ring test build again. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-29tools/virtio: more stubs to fix tools buildMichael S. Tsirkin2-1/+2
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-29tools/virtio: switch to __ptr_ring_emptyMichael S. Tsirkin1-1/+1
We don't rely on lockless guarantees, but it seems cleaner than inverting __ptr_ring_peek. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds1-6/+23
Pull virtio regression fixes from Michael Tsirkin: "Fixes two issues in the latest kernel" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: virtio_mmio: fix devm cleanup ptr_ring: fix up after recent ptr_ring changes
2017-12-08ptr_ring: fix up after recent ptr_ring changesMichael S. Tsirkin1-6/+23
Add more stubs to make it build. Fixes: 81fbfe8a ("ptr_ring: use kmalloc_array()") Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-11-10locking/x86: Use LOCK ADD for smp_mb() instead of MFENCEMichael S. Tsirkin1-0/+4
MFENCE appears to be way slower than a locked instruction - let's use LOCK ADD unconditionally, as we always did on old 32-bit. Performance testing results: perf stat -r 10 -- ./virtio_ring_0_9 --sleep --host-affinity 0 --guest-affinity 0 Before: 0.922565990 seconds time elapsed ( +- 1.15% ) After: 0.578667024 seconds time elapsed ( +- 1.21% ) i.e. about ~60% faster. Just poking at SP would be the most natural, but if we then read the value from SP, we get a false dependency which will slow us down. This was noted in this article: http://shipilev.net/blog/2014/on-the-fence-with-dependencies/ And is easy to reproduce by sticking a barrier in a small non-inline function. So let's use a negative offset - which avoids this problem since we build with the red zone disabled. For userspace, use an address just below the redzone. The one difference between LOCK ADD and MFENCE is that LOCK ADD does not affect CLFLUSH, previous patches converted all uses of CLFLUSH to call mb(), such that changes to smp_mb() won't affect it. Update mb/rmb/wmb() on 32-bit to use the negative offset, too, for consistency. As a follow-up, it might be worth considering switching users of CLFLUSH to another API (e.g. clflush_mb()?) - we will then be able to convert mb() to smp_mb() again. Also arguably, GCC should switch to use LOCK ADD for __sync_synchronize(). This might be worth pursuing separately. Suggested-by: Andy Lutomirski <luto@amacapital.net> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: qemu-devel@nongnu.org Cc: virtualization@lists.linux-foundation.org Link: http://lkml.kernel.org/r/1509118355-4890-1-git-send-email-mst@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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