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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2022-10-13 14:59:08 -0400 |
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| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2022-10-26 14:56:42 -0400 |
| commit | baf422684d73c7bf38e2c18815e18d44fcf395b6 (patch) | |
| tree | 3ed8a3693f381a50de97abceea510e30f6260294 /scripts/nsis.py | |
| parent | c5640b3e2f1146e8eea9f9f62db87713388d8bc8 (diff) | |
| download | focaccia-qemu-baf422684d73c7bf38e2c18815e18d44fcf395b6.tar.gz focaccia-qemu-baf422684d73c7bf38e2c18815e18d44fcf395b6.zip | |
virtio-blk: use BDRV_REQ_REGISTERED_BUF optimization hint
Register guest RAM using BlockRAMRegistrar and set the BDRV_REQ_REGISTERED_BUF flag so block drivers can optimize memory accesses in I/O requests. This is for vdpa-blk, vhost-user-blk, and other I/O interfaces that rely on DMA mapping/unmapping. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Message-id: 20221013185908.1297568-14-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'scripts/nsis.py')
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