From: Andi Kleen <ak@muc.de>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: lguest <lguest@ozlabs.org>,
lkml - Kernel Mailing List <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] Introduce "used_vectors" bitmap which can be used to reserve vectors.
Date: 14 Sep 2007 09:44:59 +0200
Date: Fri, 14 Sep 2007 09:44:58 +0200 [thread overview]
Message-ID: <20070914074458.GA63069@muc.de> (raw)
In-Reply-To: <1189746849.7262.29.camel@localhost.localdomain>
On Fri, Sep 14, 2007 at 03:14:09PM +1000, Rusty Russell wrote:
> This simplifies the io_apic.c __assign_irq_vector() logic and removes
> the explicit SYSCALL_VECTOR check, and also allows for vectors to be
> reserved by other mechanisms (ie. lguest).
Seems reasonable even as a cleanup.
>
> int panic_on_unrecovered_nmi;
> +
> +DECLARE_BITMAP(used_vectors, NR_VECTORS);
> +EXPORT_SYMBOL_GPL(used_vectors);
But what is the export good for? Since it's only used at boot
a module cannot do anything useful with it.
-Andi
next prev parent reply other threads:[~2007-09-14 7:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-14 5:14 [PATCH] Introduce "used_vectors" bitmap which can be used to reserve vectors Rusty Russell
2007-09-14 7:44 ` Andi Kleen [this message]
2007-09-15 2:14 ` Rusty Russell
2007-09-18 22:38 ` [Lguest] " ron minnich
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