From: Matt Mackall <mpm@selenic.com>
To: Ingo Molnar <mingo@elte.hu>
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, 06 Nov 2008 16:36:09 -0600 [thread overview]
Message-ID: <1226010969.3023.29.camel@calx> (raw)
In-Reply-To: <20081106222347.GB7505@elte.hu>
On Thu, 2008-11-06 at 23:23 +0100, Ingo Molnar wrote:
> * 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.
Thanks for the pointer, I'd missed this going by.
--
Mathematics is the supreme nostalgia of our time.
prev parent reply other threads:[~2008-11-06 22:37 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-04 22:10 [PATCH] x86: make NR_IRQS on 32bit is same to 64bit 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
2008-11-06 22:36 ` Matt Mackall [this message]
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