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Subject: RE: [patch 1/1] Proposed: Let's not waste precious IRQs...
Date: Fri, 20 May 2005 16:14:05 -0500
Message-ID: <19D0D50E9B1D0A40A9F0323DBFA04ACCE04BA3@USRV-EXCH4.na.uis.unisys.com>
Thread-Topic: [patch 1/1] Proposed: Let's not waste precious IRQs...
Thread-Index: AcVdejzG7ctZOYq7R2+/YgvHKLwsFAABWIcA
From: "Protasevich, Natalie" <Natalie.Protasevich@UNISYS.com>
To: "Bjorn Helgaas" <bjorn.helgaas@hp.com>, "Ashok Raj" <ashok.raj@intel.com>
Cc: <akpm@osdl.org>, <ak@suse.de>, <zwane@arm.linux.org.uk>,
       "Brown, Len" <len.brown@intel.com>, <linux-kernel@vger.kernel.org>
Sender: linux-kernel-owner@vger.kernel.org
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> 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.
>
Yes, indeed, I will do that. Next round I will submit ACPI cases for
i386 and x86_64 then, with correction above, and will start working on
the MPS cases.

Thanks,
--Natalie 
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