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From: Ingo Molnar <mingo@elte.hu>
To: Matt Mackall <mpm@selenic.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Yinghai Lu <yinghai@kernel.org>,
	Jeremy Fitzhardinge <jeremy@goop.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Ben Hutchings <bhutchings@solarflare.com>
Subject: Re: [PATCH] x86: make NR_IRQS on 32bit is same to 64bit
Date: Thu, 6 Nov 2008 23:23:47 +0100	[thread overview]
Message-ID: <20081106222347.GB7505@elte.hu> (raw)
In-Reply-To: <1226008798.3023.23.camel@calx>


* Matt Mackall <mpm@selenic.com> wrote:

> On Wed, 2008-11-05 at 22:52 -0800, H. Peter Anvin wrote:
> > Yinghai Lu wrote:
> > >>
> > >> Clean-up sidenote: i think we can now remove the VISWS #ifdef portion
> > >> for good? Mind sending a patch for that too?
> > > 
> > > could remove CONFIG_PARAVIRT too.. Jeremy?
> > > 
> > 
> > This seems like a bad idea, especially for the embedded guys.
> 
> I'd actually really like to see us move to dynamically-allocated irq 
> tables as they're currently huge. But I haven't dug into it deeply 
> enough to see what sort of gotchas are involved.

sparseirq (== dynamic IRQ tables) is all implemented already, and most 
of the details except the final feature-enabler are upstream already.

	Ingo

  reply	other threads:[~2008-11-06 22:24 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-04 22:10 Yinghai Lu
2008-11-04 22:29 ` Ben Hutchings
2008-11-04 22:34   ` Yinghai Lu
2008-11-06  6:26 ` Ingo Molnar
2008-11-06  6:42   ` Yinghai Lu
2008-11-06  6:52     ` H. Peter Anvin
2008-11-06  7:00       ` Yinghai Lu
2008-11-06  7:03         ` H. Peter Anvin
2008-11-06  7:10           ` Yinghai Lu
2008-11-06  7:28             ` Yinghai Lu
2008-11-06  7:36           ` Yinghai Lu
2008-11-06  8:35             ` Ingo Molnar
2008-11-06 21:59       ` Matt Mackall
2008-11-06 22:23         ` Ingo Molnar [this message]
2008-11-06 22:36           ` Matt Mackall

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