From: patchwork-bot+netdevbpf@kernel.org
To: Sang-Hoon Choi <csh0052@gmail.com>
Cc: ayush.sawal@chelsio.com, netdev@vger.kernel.org, lcy8047@gmail.com
Subject: Re: [PATCH net] cxgb4/ch_ktls: disable softirqs around tid_list erases
Date: Fri, 02 Oct 2026 09:00:05 +0000 [thread overview]
Message-ID: <179093160502.3296213.7186270682457157246.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <179070264839.12871.11715792321728503844.idr-bug-51@gmail.com>
Hello:
This patch was applied to netdev/net.git (main)
by David S. Miller <davem@davemloft.net>:
On Wed, 30 Sep 2026 02:37:34 +0900 you wrote:
> chcr_ktls_cpl_act_open_rpl() inserts into tid_list from the receive path
> using xa_insert_bh(). The array is shared by the adapter's connections
> and initialized with XA_FLAGS_LOCK_BH. However, chcr_ktls_dev_del() and
> the chcr_ktls_dev_add() error path use xa_erase(), which takes the XArray
> lock without disabling softirqs.
>
> When cleanup runs with softirqs enabled, a receive softirq for another
> connection on the same CPU can interrupt the erase and spin on the lock
> held by the interrupted task. Use xa_erase_bh() at both sites to match
> the insertion path.
>
> [...]
Here is the summary with links:
- [net] cxgb4/ch_ktls: disable softirqs around tid_list erases
https://git.kernel.org/netdev/net/c/4c9dc0faca98
You are awesome, thank you!
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prev parent reply other threads:[~2026-10-02 9:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-29 17:37 [PATCH net] cxgb4/ch_ktls: disable softirqs around tid_list erases Sang-Hoon Choi
2026-10-01 12:47 ` Ayush Sawal
2026-10-02 9:00 ` patchwork-bot+netdevbpf [this message]
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