From: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Date: Wed, 24 Aug 2005 22:03:43 +0000 (-0400)
Subject: [IA64] page_not_present fault in region 5 is normal
X-Git-Tag: v2.6.14-rc1~492^2~15^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63028aa7f581d9d4e6889f9dc06ded2534250a76;p=pandora-kernel.git

[IA64] page_not_present fault in region 5 is normal

When copying data from user-space to kernel-space by __copy_user(),
a page_not_present fault sometimes occurs at vmalloced kernel address
because of VHPT pre-fetching.

Ignore the page_not_present fault in ia64_do_page_fault() before
jumping into exception handlers.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---

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