Re: [PATCH net-next v8 3/4] net: mana: support concurrent HWC requests

[sashiko-bot@kernel.org]

> From: Long Li <longli@microsoft.com>
> 
> Give HWC message slots separate sender and response ownership. Initialize
> each slot under the inflight resource and per-slot locks, publish its
> bitmap bit last, and return its admission permit after both references are
> released. The per-slot lock also excludes an older duplicate callback from
> resetting or consuming the next caller's state.
> 
> Serialize SQ posting so concurrent senders cannot corrupt the producer
> state. A posted request which times out keeps its response reference and
> admission permit until its late response arrives or teardown cancels it.
> The bootstrap channel remains depth one here; the next patch negotiates
> and allocates larger queues.
> 
> Return -EBUSY for healthy admission pressure, but preserve -ETIMEDOUT when
> [ ... ]
> Link: https://lore.kernel.org/r/20260908035201.402424-4-longli@microsoft.com
> Link: https://lore.kernel.org/r/20260914175044.2a26bb46@kernel.org
> Link: https://lore.kernel.org/r/179196575640.434549.9102950927041409151@kernel.org
> Signed-off-by: Long Li <longli@microsoft.com>
> Signed-off-by: Wei Hu <weh@microsoft.com>

Sashiko has reviewed this patch and found no issues.

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Sashiko AI review · https://sashiko.dev/#/patchset/cover.1791998462.git.weh@linux.microsoft.com?part=3