From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 11 Feb 2015 04:45:10 +0000 (+1030)
Subject: lguest: send trap 13 through to userspace.
X-Git-Tag: fixes-v4.0-rc1~61^2~41
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c565650b1028bc551e5d16dd0ec8f7078da7cace;p=pandora-kernel.git

lguest: send trap 13 through to userspace.

We copy 7 bytes at eip for userspace's instruction decode; we have to
carefully handle the case where eip is at the end of a page.  We can't
leave this to userspace since kernel has all the page table decode
logic.

The decode logic moves to userspace, basically unchanged.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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