From: Thomas Monjalon <thomas@monjalon.net>
To: Tudor Brindus <me@tbrindus.ca>
Cc: dev@dpdk.org
Subject: Re: [PATCH] doc: nohz_full already implies rcu_nocbs
Date: Wed, 16 Mar 2022 20:01:46 +0100 [thread overview]
Message-ID: <3313054.e9J7NaK4W3@thomas> (raw)
In-Reply-To: <20220208035018.795361-1-me@tbrindus.ca>
08/02/2022 04:50, Tudor Brindus:
> From Documentation/admin-guide/kernel-parameters.txt, specifically the
> last sentence:
>
> nohz_full= [KNL,BOOT,SMP,ISOL]
> The argument is a cpu list, as described above.
> In kernels built with CONFIG_NO_HZ_FULL=y, set
> the specified list of CPUs whose tick will be stopped
> whenever possible. The boot CPU will be forced outside
> the range to maintain the timekeeping. Any CPUs
> in this list will have their RCU callbacks offloaded,
> just as if they had also been called out in the
> rcu_nocbs= boot parameter.
>
> The kernel or-s the nohz_full cpumask into the rcu_nocbs cpumask at
> startup, and uses that.
>
> Signed-off-by: Tudor Brindus <me@tbrindus.ca>
Applied, thanks.
prev parent reply other threads:[~2022-03-16 19:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-08 3:50 [PATCH] doc: nohz_full already implies rcu_nocbs Tudor Brindus
2022-03-16 19:01 ` Thomas Monjalon [this message]
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