From: Alex Nixon <alex.nixon@citrix.com>
Date: Mon, 9 Feb 2009 20:05:46 +0000 (-0800)
Subject: xen: Don't disable the I/O space
X-Git-Tag: firefly_0821_release~7613^2~3571^2~19^2~26
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=23ace955c22cb9bdf703e4bdc9bf7379166113cd;p=firefly-linux-kernel-4.4.55.git

xen: Don't disable the I/O space

If a guest domain wants to access PCI devices through the frontend
driver (coming later in the patch series), it will need access to the
I/O space.

[ Impact: Allow for domU IO access, preparing for pci passthrough ]

Signed-off-by: Alex Nixon <alex.nixon@citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 328b00305426..c413132702f7 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -260,7 +260,5 @@ void __init xen_arch_setup(void)
 
 	pm_idle = xen_idle;
 
-	paravirt_disable_iospace();
-
 	fiddle_vdso();
 }