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Message-ID: <1358944146-28884-1-git-send-email-wangyijing@huawei.com>
Date: Wed, 23 Jan 2013 20:29:06 +0800
From: Yijing Wang <wangyijing@...wei.com>
To: Rob Landley <rob@...dley.net>, Bjorn Helgaas <bhelgaas@...gle.com>
CC: <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-pci@...r.kernel.org>, Hanjun Guo <guohanjun@...wei.com>,
<jiang.liu@...wei.com>, Yijing Wang <wangyijing@...wei.com>
Subject: [PATCH] PCI: Document PCI Hotplug resource reservation parameters
Document pci hotplug resource reservation parameters hpiosize
and hpmemsize into Documentation/kernel-parameters.txt.
The two parameters can override default hotplug io size(256 bytes)
and default mem size(2M).
Signed-off-by: Yijing Wang <wangyijing@...wei.com>
---
Documentation/kernel-parameters.txt | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1fb269b..46eff3d 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2263,6 +2263,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
the default.
off: Turn ECRC off
on: Turn ECRC on.
+ hpiosize=nn[KMG] The fixed amount of bus space which is
+ reserved for hotplug bridge's IO window.
+ Default size is 256 bytes.
+ hpmemsize=nn[KMG] The fixed amount of bus space which is
+ reserved for hotplug bridge's memory window.
+ Default size is 2 megabytes.
realloc= Enable/disable reallocating PCI bridge resources
if allocations done by BIOS are too small to
accommodate resources required by all child
--
1.7.1
--
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