netdev - Re: [PATCH v2] neighbour: Don't let neigh_forced

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date: Fri, 08 Dec 2023 10:50:23 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Judy Hsiao <judyhsiao@...omium.org>
Cc: edumazet@...gle.com, dsahern@...nel.org, horms@...nel.org,
 dianders@...omium.org, haleyb.dev@...il.com, davem@...emloft.net,
 kuba@...nel.org, joel.granados@...il.com, ja@....bg, leon@...nel.org,
 pabeni@...hat.com, linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v2] neighbour: Don't let neigh_forced_gc() disable preemption
 for long

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Wed,  6 Dec 2023 03:38:33 +0000 you wrote:
> We are seeing cases where neigh_cleanup_and_release() is called by
> neigh_forced_gc() many times in a row with preemption turned off.
> When running on a low powered CPU at a low CPU frequency, this has
> been measured to keep preemption off for ~10 ms. That's not great on a
> system with HZ=1000 which expects tasks to be able to schedule in
> with ~1ms latency.
> 
> [...]

Here is the summary with links:
  - [v2] neighbour: Don't let neigh_forced_gc() disable preemption for long
    https://git.kernel.org/netdev/net/c/e5dc5afff62f

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html