From: patchwork-bot+netdevbpf@kernel.org
To: phx <phx0fer@gmail.com>
Cc: davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org,
pabeni@redhat.com, netdev@vger.kernel.org
Subject: Re: [PATCH net] net-sysfs: reject a one-entry RPS flow table
Date: Tue, 27 Oct 2026 22:40:23 +0000 [thread overview]
Message-ID: <179314082346.370091.18360710136387266095.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261021155522.67521-1-phx0fer@gmail.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Wed, 21 Oct 2026 23:55:22 +0800 you wrote:
> store_rps_dev_flow_table_cnt() accepts rps_flow_cnt == 1. For count == 1
> the round-up loop leaves mask == 0, which is stored as log == 0 in the
> tag (tag_ptr |= ilog2(mask) + 1). get_rps_cpu() then calls
> rfs_slot() -> hash_32(hash, rps_tag_to_log(tag_ptr)) with log == 0:
>
> include/linux/hash.h:68
> return __hash_32(val) >> (32 - bits); /* bits == 0 -> shift by 32 */
>
> [...]
Here is the summary with links:
- [net] net-sysfs: reject a one-entry RPS flow table
https://git.kernel.org/netdev/net/c/24927bdf0f62
You are awesome, thank you!
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prev parent reply other threads:[~2026-10-27 22:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-21 15:55 [PATCH net] net-sysfs: reject a one-entry RPS flow table Dudu Lu
2026-10-25 17:19 ` netdev-bot+sashiko
2026-10-27 22:40 ` patchwork-bot+netdevbpf [this message]
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