From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: Ashok Raj <ashok.raj@intel.com>
Subject: Re: [patch 1/1] Proposed: Let's not waste precious IRQs...
Date: Fri, 20 May 2005 14:26:21 -0600
User-Agent: KMail/1.8
Cc: Natalie.Protasevich@unisys.com, akpm@osdl.org, ak@suse.de,
       zwane@arm.linux.org.uk, "Brown, Len" <len.brown@intel.com>,
       linux-kernel@vger.kernel.org
References: <20050519110613.B817D27266@linux.site> <20050520064531.A14497@unix-os.sc.intel.com>
In-Reply-To: <20050520064531.A14497@unix-os.sc.intel.com>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200505201426.21527.bjorn.helgaas@hp.com>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 674
Lines: 15

On Friday 20 May 2005 7:45 am, Ashok Raj wrote:
> have you taken a look a the Vector Sharing Patch posted by Kaneshige for IA64?

Vector sharing has a performance cost, so we should avoid it when
we can.

I think you should bounds-check the gsi_to_irq[] references.  When
you finally get a machine with GSI values larger than MAX_GSI_NUM,
things will start failing mysteriously as you corrupt things after
the gsi_to_irq[] array.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/