From patchwork Fri Oct 25 15:20:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhu Yanjun X-Patchwork-Id: 13850959 Received: from out-173.mta1.migadu.com (out-173.mta1.migadu.com [95.215.58.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AD90121A4BC for ; Fri, 25 Oct 2024 15:20:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729869651; cv=none; b=EEN5Ilr0vLfBzvNP7kfiVCkwz3U7LH0iHerED3z8ZiCX+2CSU8tERyaSG1+BYp8pHT5HuYdAKv1T6+Vhx+7WNMeKLHqu/wOOi7JlTZnnGsMWkrvC9uX8pLtLVdZx66bEmxsF93iMNrbvPWukc72kQO6Eg0seNYYsHjHEb4dSxg8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729869651; c=relaxed/simple; bh=xSwpXuiVEDPw2xoKlnnPZGYh9kuXUZc9itSRpwaSgB4=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=qsRIYshh2H967uEYXP6c3ypMGuNUTiTjpjo9M/h8/9kWS6xskpibn2sPjFL0ubLiKeh03VBGC/TC7/K8S6VjFHs/NNXx3kOZELFmwcTMekOXn6qV+h7vJvnVrlNYPkXezqtZqQOcWJsBnC8LWM3tn45zYP8OOqFjZV+6B35Cubo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=frVthqS1; arc=none smtp.client-ip=95.215.58.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="frVthqS1" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1729869646; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=7/YongGRqG4AcMmmwelOzs/EXmeRcf7O5QS3wJ7CQ6c=; b=frVthqS1q9QPuZpbStnmH03TzPp8anPz9cukh3rOGz1r/y4nk6D4Qht7YfJd2MQnKcfgJf fOIvYoZ1vUS2V5JuV7FIDkMqP1FLvh4NBj2jvQnGHigdYP55qqK6wtEoxfbPhyer5uOvTl /R3CxLdzDmyiddiH7u2D7gsFuwZbxng= From: Zhu Yanjun To: zyjzyj2000@gmail.com, jgg@ziepe.ca, leon@kernel.org, linux-rdma@vger.kernel.org Cc: Zhu Yanjun Subject: [PATCH 1/1] RDMA/rxe: Fix the qp flush warnings in req Date: Fri, 25 Oct 2024 17:20:36 +0200 Message-Id: <20241025152036.121417-1-yanjun.zhu@linux.dev> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT When the qp is in error state, the status of WQEs in the queue should be set to error. Or else the following will appear. [ 920.617269] WARNING: CPU: 1 PID: 21 at drivers/infiniband/sw/rxe/rxe_comp.c:756 rxe_completer+0x989/0xcc0 [rdma_rxe] [ 920.617744] Modules linked in: rnbd_client(O) rtrs_client(O) rtrs_core(O) rdma_ucm rdma_cm iw_cm ib_cm crc32_generic rdma_rxe ip6_udp_tunnel udp_tunnel ib_uverbs ib_core loop brd null_blk ipv6 [ 920.618516] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G O 6.1.113-storage+ #65 [ 920.618986] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 [ 920.619396] RIP: 0010:rxe_completer+0x989/0xcc0 [rdma_rxe] [ 920.619658] Code: 0f b6 84 24 3a 02 00 00 41 89 84 24 44 04 00 00 e9 2a f7 ff ff 39 ca bb 03 00 00 00 b8 0e 00 00 00 48 0f 45 d8 e9 15 f7 ff ff <0f> 0b e9 cb f8 ff ff 41 bf f5 ff ff ff e9 08 f8 ff ff 49 8d bc 24 [ 920.620482] RSP: 0018:ffff97b7c00bbc38 EFLAGS: 00010246 [ 920.620817] RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000008 [ 920.621183] RDX: ffff960dc396ebc0 RSI: 0000000000005400 RDI: ffff960dc4e2fbac [ 920.621548] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffffac406450 [ 920.621884] R10: ffffffffac4060c0 R11: 0000000000000001 R12: ffff960dc4e2f800 [ 920.622254] R13: ffff960dc4e2f928 R14: ffff97b7c029c580 R15: 0000000000000000 [ 920.622609] FS: 0000000000000000(0000) GS:ffff960ef7d00000(0000) knlGS:0000000000000000 [ 920.622979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 920.623245] CR2: 00007fa056965e90 CR3: 00000001107f1000 CR4: 00000000000006e0 [ 920.623680] Call Trace: [ 920.623815] [ 920.623933] ? __warn+0x79/0xc0 [ 920.624116] ? rxe_completer+0x989/0xcc0 [rdma_rxe] [ 920.624356] ? report_bug+0xfb/0x150 [ 920.624594] ? handle_bug+0x3c/0x60 [ 920.624796] ? exc_invalid_op+0x14/0x70 [ 920.624976] ? asm_exc_invalid_op+0x16/0x20 [ 920.625203] ? rxe_completer+0x989/0xcc0 [rdma_rxe] [ 920.625474] ? rxe_completer+0x329/0xcc0 [rdma_rxe] [ 920.625749] rxe_do_task+0x80/0x110 [rdma_rxe] [ 920.626037] rxe_requester+0x625/0xde0 [rdma_rxe] [ 920.626310] ? rxe_cq_post+0xe2/0x180 [rdma_rxe] [ 920.626583] ? do_complete+0x18d/0x220 [rdma_rxe] [ 920.626812] ? rxe_completer+0x1a3/0xcc0 [rdma_rxe] [ 920.627050] rxe_do_task+0x80/0x110 [rdma_rxe] [ 920.627285] tasklet_action_common.constprop.0+0xa4/0x120 [ 920.627522] handle_softirqs+0xc2/0x250 [ 920.627728] ? sort_range+0x20/0x20 [ 920.627942] run_ksoftirqd+0x1f/0x30 [ 920.628158] smpboot_thread_fn+0xc7/0x1b0 [ 920.628334] kthread+0xd6/0x100 [ 920.628504] ? kthread_complete_and_exit+0x20/0x20 [ 920.628709] ret_from_fork+0x1f/0x30 [ 920.628892] Fixes: ae720bdb703b ("RDMA/rxe: Generate error completion for error requester QP state") Signed-off-by: Zhu Yanjun --- drivers/infiniband/sw/rxe/rxe_req.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c index 479c07e6e4ed..87a02f0deb00 100644 --- a/drivers/infiniband/sw/rxe/rxe_req.c +++ b/drivers/infiniband/sw/rxe/rxe_req.c @@ -663,10 +663,12 @@ int rxe_requester(struct rxe_qp *qp) if (unlikely(qp_state(qp) == IB_QPS_ERR)) { wqe = __req_next_wqe(qp); spin_unlock_irqrestore(&qp->state_lock, flags); - if (wqe) + if (wqe) { + wqe->status = IB_WC_WR_FLUSH_ERR; goto err; - else + } else { goto exit; + } } if (unlikely(qp_state(qp) == IB_QPS_RESET)) {