From: Steffen Klassert <steffen.klassert@secunet.com>
To: Sebastian Sewior <bigeasy@linutronix.de>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Network Development <netdev@vger.kernel.org>,
Jakub Kicinski <kuba@kernel.org>
Subject: Re: xfrm in RT
Date: Fri, 17 Jan 2025 09:17:38 +0100 [thread overview]
Message-ID: <Z4oSIkXb8e3GJSaC@gauss3.secunet.de> (raw)
In-Reply-To: <20241218160745.G1WJ-lWR@linutronix.de>
On Wed, Dec 18, 2024 at 05:07:45PM +0100, Sebastian Sewior wrote:
> On 2024-12-18 16:44:27 [+0100], To Steffen Klassert wrote:
> > time (your current get_cpu() -> put_cpu() span) you could do something
> > like
>
> While at, may I promote rcuref? This would get rid of your cmpxchg()
> loop that you have otherwise in refcount_inc_not_zero(). In case you
> have performance test:
I have currently no test setup running that could show a performance
difference, but anyway the change looks OK to me.
next prev parent reply other threads:[~2025-01-17 8:17 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-18 0:07 xfrm in RT Alexei Starovoitov
2024-12-18 8:32 ` Steffen Klassert
2024-12-18 15:44 ` Sebastian Sewior
2024-12-18 16:07 ` Sebastian Sewior
2025-01-17 8:17 ` Steffen Klassert [this message]
2025-01-17 8:02 ` Steffen Klassert
2025-01-23 16:20 ` [PATCH net] xfrm: Don't disable preemption while looking up cache state Sebastian Sewior
2025-01-27 5:33 ` Steffen Klassert
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