From: Peter Zijlstra <peterz@infradead.org>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: linux-kernel@vger.kernel.org,
Frederic Weisbecker <fweisbec@gmail.com>,
Chris Friesen <chris.friesen@windriver.com>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
Jim Somerville <Jim.Somerville@windriver.com>,
Christoph Lameter <cl@linux.com>
Subject: Re: [patch 3/3] isolcpus: undeprecate on documentation
Date: Tue, 31 Mar 2020 17:57:08 +0200 [thread overview]
Message-ID: <20200331155708.GU20730@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200331154146.GA28556@fuller.cnet>
On Tue, Mar 31, 2020 at 12:41:46PM -0300, Marcelo Tosatti wrote:
> On Tue, Mar 31, 2020 at 05:22:17PM +0200, Peter Zijlstra wrote:
> > On Sat, Mar 28, 2020 at 12:21:20PM -0300, Marcelo Tosatti wrote:
> > > isolcpus is used to control steering of interrupts to managed_irqs and
> > > kernel threads, therefore its incorrect to state that its deprecated.
> > >
> > > Remove deprecation warning.
> > >
> > > Suggested-by: Chris Friesen <chris.friesen@windriver.com>
> > > Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
> > >
> > > ---
> > > Documentation/admin-guide/kernel-parameters.txt | 1 -
> > > 1 file changed, 1 deletion(-)
> > >
> > > Index: linux-2.6/Documentation/admin-guide/kernel-parameters.txt
> > > ===================================================================
> > > --- linux-2.6.orig/Documentation/admin-guide/kernel-parameters.txt
> > > +++ linux-2.6/Documentation/admin-guide/kernel-parameters.txt
> > > @@ -1926,7 +1926,6 @@
> > > Format: <RDP>,<reset>,<pci_scan>,<verbosity>
> > >
> > > isolcpus= [KNL,SMP,ISOL] Isolate a given set of CPUs from disturbance.
> > > - [Deprecated - use cpusets instead]
> > > Format: [flag-list,]<cpu-list>
> > >
> >
> > It's still an absolute horrible piece of crap though. nozh_full piling
> > more and more shit on it doesn't make it more shiny.
>
> Hi Peter,
>
> Why do you dislike it? What you think would be a decent approach?
Try and reconfigure it after boot.
next prev parent reply other threads:[~2020-03-31 15:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-28 15:21 [patch 0/3] affine kernel threads to specified cpumask (v3) Marcelo Tosatti
2020-03-28 15:21 ` [patch 1/3] kthread: switch to cpu_possible_mask Marcelo Tosatti
2020-03-28 15:21 ` [patch 2/3] isolcpus: affine kernel threads to specified cpumask Marcelo Tosatti
2020-03-31 0:57 ` Frederic Weisbecker
2020-03-31 11:50 ` Marcelo Tosatti
2020-03-31 13:36 ` Frederic Weisbecker
2020-03-28 15:21 ` [patch 3/3] isolcpus: undeprecate on documentation Marcelo Tosatti
2020-03-31 15:22 ` Peter Zijlstra
2020-03-31 15:41 ` Marcelo Tosatti
2020-03-31 15:57 ` Peter Zijlstra [this message]
2020-04-04 23:05 ` Christopher Lameter
2020-03-31 15:43 ` Frederic Weisbecker
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