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Hi all, this series builds on my previous changes in Jens' for-4.11/rq-refactor branch that split out the BLOCK_PC fields from struct request into a new struct scsi_request, and makes support for struct scsi_request and the SCSI passthrough ioctls optional. It is now only enabled by drivers that need it. In addition I've made SCSI passthrough support in the virtio_blk driver an optional

Hi all, this series builds on my previous changes in Jens' for-4.11/rq-refactor branch that split out the BLOCK_PC fields from struct request into a new struct scsi_request, and makes support for struct scsi_request and the SCSI passthrough ioctls optional. It is now only enabled by drivers that need it. In addition I've made SCSI passthrough support in the virtio_blk driver an optional

Hi all, These 2 patches added virtio-nvme to kernel and qemu, basically modified from virtio-blk and nvme code. As title said, request for your comments. Play it in Qemu with: -drive file=disk.img,format=raw,if=none,id=D22 \ -device virtio-nvme-pci,drive=D22,serial=1234,num_queues=4 The goal is to have a full NVMe stack from VM guest(virtio-nvme) to host(vhost_nvme) to LIO NVMe-over-fabrics

Hi all, These 2 patches added virtio-nvme to kernel and qemu, basically modified from virtio-blk and nvme code. As title said, request for your comments. Play it in Qemu with: -drive file=disk.img,format=raw,if=none,id=D22 \ -device virtio-nvme-pci,drive=D22,serial=1234,num_queues=4 The goal is to have a full NVMe stack from VM guest(virtio-nvme) to host(vhost_nvme) to LIO NVMe-over-fabrics

v10->v11: - Use a simple test-and-set unfair lock to simplify the code, but performance may suffer a bit for large guest with many CPUs. - Take out Raghavendra KT's test results as the unfair lock changes may render some of his results invalid. - Add PV support without increasing the size of the core queue node structure. - Other minor changes to address some of the

v10->v11: - Use a simple test-and-set unfair lock to simplify the code, but performance may suffer a bit for large guest with many CPUs. - Take out Raghavendra KT's test results as the unfair lock changes may render some of his results invalid. - Add PV support without increasing the size of the core queue node structure. - Other minor changes to address some of the

Since Waiman seems incapable of doing simple things; here's my take on the paravirt crap. The first few patches are taken from Waiman's latest series, but the virt support is completely new. Its primary aim is to not mess up the native code. I've not stress tested it, but the virt and paravirt (kvm) cases boot on simple smp guests. I've not done Xen, but the patch should be

Since Waiman seems incapable of doing simple things; here's my take on the paravirt crap. The first few patches are taken from Waiman's latest series, but the virt support is completely new. Its primary aim is to not mess up the native code. I've not stress tested it, but the virt and paravirt (kvm) cases boot on simple smp guests. I've not done Xen, but the patch should be

v8->v9: - Integrate PeterZ's version of the queue spinlock patch with some modification: http://lkml.kernel.org/r/20140310154236.038181843 at infradead.org - Break the more complex patches into smaller ones to ease review effort. - Fix a racing condition in the PV qspinlock code. v7->v8: - Remove one unneeded atomic operation from the slowpath, thus improving

v8->v9: - Integrate PeterZ's version of the queue spinlock patch with some modification: http://lkml.kernel.org/r/20140310154236.038181843 at infradead.org - Break the more complex patches into smaller ones to ease review effort. - Fix a racing condition in the PV qspinlock code. v7->v8: - Remove one unneeded atomic operation from the slowpath, thus improving

v9->v10: - Make some minor changes to qspinlock.c to accommodate review feedback. - Change author to PeterZ for 2 of the patches. - Include Raghavendra KT's test results in patch 18. v8->v9: - Integrate PeterZ's version of the queue spinlock patch with some modification: http://lkml.kernel.org/r/20140310154236.038181843 at infradead.org - Break the more complex

v9->v10: - Make some minor changes to qspinlock.c to accommodate review feedback. - Change author to PeterZ for 2 of the patches. - Include Raghavendra KT's test results in patch 18. v8->v9: - Integrate PeterZ's version of the queue spinlock patch with some modification: http://lkml.kernel.org/r/20140310154236.038181843 at infradead.org - Break the more complex