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X-powerpc-patch-notification: thanks
X-powerpc-patch-commit: 45cb08f4791ce6a15c54598b4cb73db4b4b8294f
In-Reply-To: <20170316085545.EEE4A68481@localhost.localdomain>
To: Christophe Leroy <christophe.leroy@c-s.fr>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>, Scott Wood <oss@buserror.net>
From: Michael Ellerman <patch-notifications@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [v2] powerpc: handle simultaneous interrupts at once
Message-Id: <3wh9ph0pv2z9s7f@ozlabs.org>
Date: Mon,  5 Jun 2017 20:21:47 +1000 (AEST)
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On Thu, 2017-03-16 at 08:55:45 UTC, Christophe Leroy wrote:
> It often happens to have simultaneous interrupts, for instance
> when having double Ethernet attachment. With the current
> implementation, we suffer the cost of kernel entry/exit for each
> interrupt.
> 
> This patch introduces a loop in __do_irq() to handle all interrupts
> at once before returning.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/45cb08f4791ce6a15c54598b4cb73d

cheers