From: andrew@lunn.ch (Andrew Lunn)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: mach-orion5x: fix legacy get_irqnr_and_base
Date: Wed, 25 Nov 2015 16:43:13 +0100 [thread overview]
Message-ID: <20151125154313.GL11384@lunn.ch> (raw)
In-Reply-To: <alpine.LFD.2.20.1511251027210.22569@knanqh.ubzr>
> BTW, mv78xx0 is still broken wrt this IRQ #0 usage. Is it possible that
> no one uses it? It is a weird not-completely-SMP architecture that
> lacks cache coherency support between CPU cores. To fully use both
> cores, we'd need to have two independent Linux instances with memory
> partitioning and this was never implemented. I'm unaware of any product
> using Linux on that SOC either. My own mv78xx0 dev board took the way
> of the recycling facility a while ago given the lack of interest.
>
> Should we "fix" it by removing it outright?
I think it was at the Edinburgh kernel summit/ELCE i met somebody
still using it. If i remember correctly, Linux on one core, and
something else on the other. That was two years ago. I've not heard
anything since.
Andrew
next prev parent reply other threads:[~2015-11-25 15:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-23 3:44 [PATCH] ARM: mach-orion5x: fix legacy get_irqnr_and_base Nicolas Pitre
2015-11-25 14:45 ` Jason Cooper
2015-11-25 14:54 ` Nicolas Pitre
2015-11-25 14:55 ` Jason Cooper
2015-11-25 15:38 ` Nicolas Pitre
2015-11-25 15:43 ` Andrew Lunn [this message]
2015-11-25 15:58 ` Nicolas Pitre
2015-11-25 15:45 ` Jason Cooper
2015-11-25 15:51 ` Nicolas Pitre
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