From: "H. Peter Anvin" <hpa@zytor.com>
To: Zhao Forrest <forrest.zhao@gmail.com>
Cc: dely.l.sy@intel.com, greg@kroah.com, linux-kernel@vger.kernel.org
Subject: Re: Is there way to reserve more MMIO resource for PCIE-hotplug-capable slot?
Date: Tue, 05 Dec 2006 15:49:57 -0800 [thread overview]
Message-ID: <457605A5.1060401@zytor.com> (raw)
In-Reply-To: <ac8af0be0612041951g6a41f5dfk5f9f09aa656f96e3@mail.gmail.com>
Zhao Forrest wrote:
> Hi,
>
> Sometimes we could hotplug a PCIE device, which require more MMIO
> resource than that reserved by BIOS.
>
> My question is: is there a way for kernel to reserved more MMIO
> resource for a PCIE-hotplug-capable slot? I searched the
> kernel-parameters.txt, but didn't find any related information.
>
If you need 32-bit MMIO, no, because it requires chipset-specific
reprogramming. 64-bit MMIO should be readily available.
-hpa
prev parent reply other threads:[~2006-12-05 23:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-05 3:51 Is there way to reserve more MMIO resource for PCIE-hotplug-capable slot? Zhao Forrest
2006-12-05 23:49 ` H. Peter Anvin [this message]
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