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Re: [RFC v4 00/11] blkio: add libblkio BlockDriver
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [RFC v4 00/11] blkio: add libblkio BlockDriver |
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Date: |
Tue, 23 Aug 2022 16:35:43 -0400 |
On Tue, Aug 23, 2022 at 08:31:03PM +0300, Vladimir Sementsov-Ogievskiy wrote:
> On 8/23/22 01:23, Stefan Hajnoczi wrote:
> > The remainder of the patch series reworks the existing QEMU
> > bdrv_register_buf()
> > API so virtio-blk emulation efficiently map guest RAM for libblkio - some
> > libblkio drivers require that I/O buffer memory is pre-registered (think
> > VFIO,
> > vhost, etc).
>
> Hi!
>
> So patches 01-11 are for performance optimization? Don't you have some
> performance measurements for it?
Good point, I'll gather some data and share it.
Stefan
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- [RFC v4 07/11] block: add BlockRAMRegistrar, (continued)
- [RFC v4 07/11] block: add BlockRAMRegistrar, Stefan Hajnoczi, 2022/08/22
- [RFC v4 08/11] exec/cpu-common: add qemu_ram_get_fd(), Stefan Hajnoczi, 2022/08/22
- [RFC v4 09/11] stubs: add qemu_ram_block_from_host() and qemu_ram_get_fd(), Stefan Hajnoczi, 2022/08/22
- [RFC v4 10/11] blkio: implement BDRV_REQ_REGISTERED_BUF optimization, Stefan Hajnoczi, 2022/08/22
- [RFC v4 11/11] virtio-blk: use BDRV_REQ_REGISTERED_BUF optimization hint, Stefan Hajnoczi, 2022/08/22
Re: [RFC v4 00/11] blkio: add libblkio BlockDriver, Vladimir Sementsov-Ogievskiy, 2022/08/23