From: Yinghai Lu <yinghai@kernel.org>
To: Onkar N Mahajan <kernzap@gmail.com>
Cc: linux-pci <linux-pci@vger.kernel.org>
Subject: Re: What possible values can pci_root_num take ??
Date: Sun, 22 Apr 2012 11:56:49 -0700 [thread overview]
Message-ID: <CAE9FiQVKAGAvUtSz-mSNHXmP+d3LQ2YaiH0ygyAtad4TMoc_BA@mail.gmail.com> (raw)
In-Reply-To: <1335108346.25945.1.camel@oc4748611672.ibm.com>
On Sun, Apr 22, 2012 at 8:25 AM, Onkar N Mahajan <kernzap@gmail.com> wrote:
> What are the possible values that can be taken
> by pci_root_num ?? Where can I find this information ( any specs docs ?)
>
from amd Hypertransport (HT) chain number: 4 at most at that time.
arch/x86/pci/bus_numa.h::
/* 4 at this time, it may become to 32 */
#define PCI_ROOT_NR 4
extern int pci_root_num;
extern struct pci_root_info pci_root_info[PCI_ROOT_NR];
prev parent reply other threads:[~2012-04-22 18:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-22 15:25 What possible values can pci_root_num take ?? Onkar N Mahajan
2012-04-22 18:56 ` Yinghai Lu [this message]
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