From: Thomas Gleixner <tglx@linutronix.de>
To: "Cédric Le Goater" <clg@kaod.org>, linuxppc-dev@lists.ozlabs.org
Cc: "Cédric Le Goater" <clg@kaod.org>
Subject: Re: [PATCH] powerpc: use IRQF_NO_DEBUG for IPIs
Date: Tue, 20 Jul 2021 12:28:05 +0200 [thread overview]
Message-ID: <87czrde0ui.ffs@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20210719130614.195886-1-clg@kaod.org>
On Mon, Jul 19 2021 at 15:06, Cédric Le Goater wrote:
> There is no need to use the lockup detector ("noirqdebug") for IPIs.
> The ipistorm benchmark measures a ~10% improvement on high systems
> when this flag is set.
>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
next prev parent reply other threads:[~2021-07-20 10:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-19 13:06 [PATCH] powerpc: use IRQF_NO_DEBUG for IPIs Cédric Le Goater
2021-07-20 10:28 ` Thomas Gleixner [this message]
2021-08-18 13:38 ` Michael Ellerman
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