From: Antoine Tenart <atenart@kernel.org>
To: Jakub Kicinski <kuba@kernel.org>
Cc: davem@davemloft.net, pabeni@redhat.com, edumazet@google.com,
stephen@networkplumber.org, gregkh@linuxfoundation.org,
netdev@vger.kernel.org
Subject: Re: [PATCH net-next 0/4] net-sysfs: remove the rtnl_trylock/restart_syscall construction
Date: Tue, 21 Jan 2025 10:38:03 +0100 [thread overview]
Message-ID: <173745228357.4844.17327465949667802656@kwain> (raw)
In-Reply-To: <20250120114045.3711fdc9@kernel.org>
Quoting Jakub Kicinski (2025-01-20 20:40:45)
> On Fri, 17 Jan 2025 11:26:07 +0100 Antoine Tenart wrote:
> > The series initially aimed at improving spins (and thus delays) while
> > accessing net sysfs under rtnl lock contention[1]. The culprit was the
> > trylock/restart_syscall constructions. There wasn't much interest at the
> > time but it got traction recently for other reasons (lowering the rtnl
> > lock pressure).
>
> Sorry for the flip flop but would you mind if we applied this right
> after the merge window? It doesn't feel super risky, but on the small
> chance that it does blow up - explaining why we applied it during
> the MW would be more of an apology..
That makes perfect sense and was actually what I was hoping for so it
can live for some time in net-next. I'll send a v2 right when net-next
reopens.
next prev parent reply other threads:[~2025-01-21 9:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-17 10:26 [PATCH net-next 0/4] net-sysfs: remove the rtnl_trylock/restart_syscall construction Antoine Tenart
2025-01-17 10:26 ` [PATCH net-next 1/4] net-sysfs: remove rtnl_trylock from device attributes Antoine Tenart
2025-01-17 17:03 ` Stephen Hemminger
2025-01-17 18:35 ` Antoine Tenart
2025-01-17 10:26 ` [PATCH net-next 2/4] net-sysfs: move queue attribute groups outside the default groups Antoine Tenart
2025-01-17 10:26 ` [PATCH net-next 3/4] net-sysfs: prevent uncleared queues from being re-added Antoine Tenart
2025-01-20 19:44 ` Jakub Kicinski
2025-01-21 9:33 ` Antoine Tenart
2025-01-21 17:09 ` Jakub Kicinski
2025-01-22 8:34 ` Antoine Tenart
2025-01-17 10:26 ` [PATCH net-next 4/4] net-sysfs: remove rtnl_trylock from queue attributes Antoine Tenart
2025-01-20 19:40 ` [PATCH net-next 0/4] net-sysfs: remove the rtnl_trylock/restart_syscall construction Jakub Kicinski
2025-01-21 9:38 ` Antoine Tenart [this message]
2025-01-22 8:50 ` Maxime Chevallier
2025-01-22 9:09 ` Antoine Tenart
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