[Xen-changelog] [xen master] x86: convert bigmem to Kconfig

[patchbot@xxxxxxx]

commit 165f36d5fa60ade72f691fbb81aad0a2cadaca37
Author:     Doug Goldstein <cardoe@xxxxxxxxxx>
AuthorDate: Tue Jan 12 11:27:49 2016 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Jan 12 11:27:49 2016 +0100

    x86: convert bigmem to Kconfig
    
    Convert the bigmem build option to Kconfig.
    
    Signed-off-by: Doug Goldstein <cardoe@xxxxxxxxxx>
---
 xen/arch/x86/Kconfig  |   11 +++++++++++
 xen/arch/x86/Rules.mk |    2 --
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/Kconfig b/xen/arch/x86/Kconfig
index 7d2ed96..d629767 100644
--- a/xen/arch/x86/Kconfig
+++ b/xen/arch/x86/Kconfig
@@ -25,6 +25,17 @@ config ARCH_DEFCONFIG
 
 menu "Architecture Features"
 
+config BIGMEM
+       bool "big memory support"
+       default n
+       ---help---
+         Allows Xen to support up to 123Tb of memory.
+
+         This requires enlarging struct page_info as well as shrinking
+         the always accessible direct mapped memory range.
+
+         If unsure, say N.
+
 endmenu
 
 source "common/Kconfig"
diff --git a/xen/arch/x86/Rules.mk b/xen/arch/x86/Rules.mk
index b76a754..a108d24 100644
--- a/xen/arch/x86/Rules.mk
+++ b/xen/arch/x86/Rules.mk
@@ -23,7 +23,6 @@ $(call as-insn-check,CFLAGS,CC,".equ \"x\"$$(comma)1", \
                      '-D__OBJECT_LABEL__=$(subst $(BASEDIR)/,,$(CURDIR))/$$@')
 
 shadow-paging ?= y
-bigmem        ?= n
 
 CFLAGS += -mno-red-zone -mno-sse -fpic
 CFLAGS += -fno-asynchronous-unwind-tables
@@ -33,4 +32,3 @@ CFLAGS += -DGCC_HAS_VISIBILITY_ATTRIBUTE
 endif
 
 CFLAGS-$(shadow-paging) += -DCONFIG_SHADOW_PAGING
-CFLAGS-$(bigmem)        += -DCONFIG_BIGMEM
--
generated by git-patchbot for /home/xen/git/xen.git#master

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