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From: Yinghai Lu <Yinghai.Lu@Sun.COM>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@suse.de>,
	Gary Hade <gary.hade@us.ibm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-acpi@vger.kernel.org
Subject: Re: [PATCH] x86: check boundary in count/setup_resource called by get_current_resources
Date: Thu, 01 Nov 2007 11:06:18 -0700	[thread overview]
Message-ID: <472A159A.6080106@sun.com> (raw)
In-Reply-To: <20071101013239.992840bd.akpm@linux-foundation.org>

Andrew Morton wrote:
> On Thu, 01 Nov 2007 01:20:29 -0700 Yinghai Lu <Yinghai.Lu@Sun.COM> wrote:
> 
>> [PATCH] x86: check boundary in count/setup_resource called by get_current_resources
>>
>> need to check info->res_num less than PCI_BUS_NUM_RESOURCES, so
>> info->bus->resource[info->res_num] = res will not beyond of bus resource array
>> when acpi resutrn too many resource entries.
>>
> 
> Isn't this a bit of a problem?  It sounds like PCI_BUS_NUM_RESOURCES is to
> small for that system?  If so, some sort of dynamic allocation might be
> needed.

sound reasonable...
i have one local patch for amd64 that will get resources from pci conf. and it will use all 8 slots for bus 0.
and transparent bus under it only can copy 5 of them.

YH

  reply	other threads:[~2007-11-01 18:03 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-01  8:20 [PATCH] x86: check boundary in count/setup_resource called by get_current_resources Yinghai Lu
2007-11-01  8:32 ` Andrew Morton
2007-11-01 18:06   ` Yinghai Lu [this message]
2007-11-01 20:10     ` Gary Hade
2007-11-01 18:45   ` Gary Hade

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