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From: Mark Maule <maule@sgi.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org,
	Tony Luck <tony.luck@intel.com>
Subject: Re: [PATCH 3/4] per-platform IA64_{FIRST,LAST}_DEVICE_VECTOR definitions
Date: Wed, 21 Dec 2005 19:18:43 +0000	[thread overview]
Message-ID: <20051221191843.GJ9920@sgi.com> (raw)
In-Reply-To: <20051221190916.GE2361@parisc-linux.org>

On Wed, Dec 21, 2005 at 12:09:16PM -0700, Matthew Wilcox wrote:
> On Wed, Dec 21, 2005 at 12:42:46PM -0600, Mark Maule wrote:
> >  #ifndef CONFIG_X86_IO_APIC
> >  int vector_irq[NR_VECTORS] = { [0 ... NR_VECTORS - 1] = -1};
> > -u8 irq_vector[NR_IRQ_VECTORS] = { FIRST_DEVICE_VECTOR , 0 };
> > +u8 irq_vector[NR_IRQ_VECTORS] = { [0 ... NR_IRQ_VECTORS - 1 ] = 0 };
> 
> Isn't this just a very complicated way of saying:
> 
> u8 irq_vector[NR_IRQ_VECTORS];
> 
> ?

Ok.  Was just following the lead of this:

static struct msi_desc* msi_desc[NR_IRQS] = { [0 ... NR_IRQS-1] = NULL };

So arrays are always init'd to zero?

Mark

WARNING: multiple messages have this Message-ID (diff)
From: Mark Maule <maule@sgi.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org,
	Tony Luck <tony.luck@intel.com>
Subject: Re: [PATCH 3/4] per-platform IA64_{FIRST,LAST}_DEVICE_VECTOR definitions
Date: Wed, 21 Dec 2005 13:18:43 -0600	[thread overview]
Message-ID: <20051221191843.GJ9920@sgi.com> (raw)
In-Reply-To: <20051221190916.GE2361@parisc-linux.org>

On Wed, Dec 21, 2005 at 12:09:16PM -0700, Matthew Wilcox wrote:
> On Wed, Dec 21, 2005 at 12:42:46PM -0600, Mark Maule wrote:
> >  #ifndef CONFIG_X86_IO_APIC
> >  int vector_irq[NR_VECTORS] = { [0 ... NR_VECTORS - 1] = -1};
> > -u8 irq_vector[NR_IRQ_VECTORS] = { FIRST_DEVICE_VECTOR , 0 };
> > +u8 irq_vector[NR_IRQ_VECTORS] = { [0 ... NR_IRQ_VECTORS - 1 ] = 0 };
> 
> Isn't this just a very complicated way of saying:
> 
> u8 irq_vector[NR_IRQ_VECTORS];
> 
> ?

Ok.  Was just following the lead of this:

static struct msi_desc* msi_desc[NR_IRQS] = { [0 ... NR_IRQS-1] = NULL };

So arrays are always init'd to zero?

Mark

  reply	other threads:[~2005-12-21 19:18 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-21 18:42 [PATCH 0/4] msi abstractions and support for altix Mark Maule
2005-12-21 18:42 ` Mark Maule
2005-12-21 18:42 ` [PATCH 1/4] msi archetecture init hook Mark Maule
2005-12-21 18:42   ` Mark Maule
2005-12-21 18:53   ` Matthew Wilcox
2005-12-21 18:53     ` Matthew Wilcox
2005-12-21 19:03     ` Mark Maule
2005-12-21 19:03       ` Mark Maule
2005-12-21 19:40   ` Matthew Wilcox
2005-12-21 19:40     ` Matthew Wilcox
2005-12-21 18:42 ` [PATCH 2/4] msi vector targeting abstractions Mark Maule
2005-12-21 18:42   ` Mark Maule
2005-12-21 18:56   ` Christoph Hellwig
2005-12-21 18:56     ` Christoph Hellwig
2005-12-21 19:17     ` Mark Maule
2005-12-21 19:17       ` Mark Maule
2005-12-21 19:05   ` Matthew Wilcox
2005-12-21 19:05     ` Matthew Wilcox
2005-12-21 19:17     ` linux-os (Dick Johnson)
2005-12-21 19:17       ` linux-os (Dick Johnson)
2005-12-21 19:33     ` Mark Maule
2005-12-21 19:33       ` Mark Maule
2005-12-22 10:36       ` Christoph Hellwig
2005-12-22 13:59         ` Mark Maule
2005-12-22 13:59           ` Mark Maule
2005-12-21 18:42 ` [PATCH 3/4] per-platform IA64_{FIRST,LAST}_DEVICE_VECTOR definitions Mark Maule
2005-12-21 18:42   ` Mark Maule
2005-12-21 19:09   ` Matthew Wilcox
2005-12-21 19:09     ` Matthew Wilcox
2005-12-21 19:18     ` Mark Maule [this message]
2005-12-21 19:18       ` Mark Maule
2005-12-21 19:32       ` Matthew Wilcox
2005-12-21 19:32         ` Matthew Wilcox
2005-12-22  6:26   ` Keith Owens
2005-12-22  6:26     ` Keith Owens
2005-12-22 13:14     ` Matthew Wilcox
2005-12-22 13:14       ` Matthew Wilcox
2005-12-21 18:42 ` [PATCH 4/4] altix: msi support Mark Maule
2005-12-21 18:42   ` Mark Maule

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