From: sashiko-bot@kernel.org
To: "Konstantin Taranov" <kotaranov@linux.microsoft.com>
Cc: linux-rdma@vger.kernel.org
Subject: Re: [PATCH rdma-next v3 3/5] RDMA/mana_ib: Revise UD receive posting with GDMA_WR_IB_SGL
Date: Mon, 21 Sep 2026 10:01:23 +0000 [thread overview]
Message-ID: <20260921100123.B97441F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260921095352.3524691-4-kotaranov@linux.microsoft.com>
> From: Konstantin Taranov <kotaranov@microsoft.com>
>
> Pass receive verbs SGEs directly to GDMA instead of copying them into
> a small stack array. Accept the receive SGE limit, supply a dummy SGE
> for zero-length requests, and ring once after each successful batch.
>
> Introduce GDMA_WR_IB_SGL, its request union, and the wrap-aware verbs
> SGE writer together with their first consumer. These shared GDMA pieces
> must precede the later extended-WQE patch so this receive path does not
> depend on definitions or encoding support introduced after it.
>
> Address verbs SGEs by ring offset so both scattered-page boundaries and
> ring wrap preserve the local kernel baseline's non-contiguous buffers.
>
> Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260921095352.3524691-1-kotaranov@linux.microsoft.com?part=3
next prev parent reply other threads:[~2026-09-21 10:01 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-21 9:53 [PATCH rdma-next v3 0/5] RDMA/mana_ib: Streamline kernel UD/GSI posting and completion handling Konstantin Taranov
2026-09-21 9:53 ` [PATCH rdma-next v3 1/5] RDMA/mana_ib: Optimize shadow queue bookkeeping Konstantin Taranov
2026-09-21 10:03 ` sashiko-bot
2026-09-21 9:53 ` [PATCH rdma-next v3 2/5] RDMA/mana_ib: Revise UD send posting and WQE definitions Konstantin Taranov
2026-09-21 10:03 ` sashiko-bot
2026-09-21 9:53 ` [PATCH rdma-next v3 3/5] RDMA/mana_ib: Revise UD receive posting with GDMA_WR_IB_SGL Konstantin Taranov
2026-09-21 10:01 ` sashiko-bot [this message]
2026-09-21 9:53 ` [PATCH rdma-next v3 4/5] RDMA/mana_ib: Make kernel CQ arming robust Konstantin Taranov
2026-09-21 10:08 ` sashiko-bot
2026-09-21 9:53 ` [PATCH rdma-next v3 5/5] RDMA/mana_ib: Poll UD completions and flush software error QPs Konstantin Taranov
2026-09-21 10:13 ` sashiko-bot
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