[PATCH] x86: make __FIXADDR_TOP variable to allow it to make space for a hypervisor
Make __FIXADDR_TOP a variable, so that it can be set to not get in the way of
address space a hypervisor may want to reserve.
Original patch by Gerd Hoffmann <kraxel@suse.de>
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Cc: Gerd Hoffmann <kraxel@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index b2751ea..1f83efb 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -794,6 +794,7 @@
config COMPAT_VDSO
bool "Compat VDSO support"
default y
+ depends on !PARAVIRT
help
Map the VDSO to the predictable old-style address too.
---help---