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support multi queue - #2

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support multi queue#2
wxx213 wants to merge 1 commit into
release-v1.14from
wxx-test

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@wxx213 wxx213 commented Sep 2, 2026

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wxx213 force-pushed the wxx-test branch 5 times, most recently from 6f731d2 to 9b6d150 Compare September 3, 2026 10:09
Add --num-request-queues and expose one hiprio queue plus up to 63
request queues. Use a dedicated vring worker per queue when multiqueue
is enabled while preserving the existing single-queue topology.

Remove the backend-wide hot-path lock, shard the passthrough handle
store, and safely drain in-flight requests during queue stop, reset,
and migration. Isolate concurrent direct workers with CLONE_FS.

Keep the migration wire format unchanged and document the QEMU and
guest requirements, limitations, and validation steps.

Signed-off-by: Wang Xingxing <wangxingxing@siliconflow.cn>
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