[Xen-devel] [PATCH v3 3/3] build: convert xenoprof to Kconfig

[Doug Goldstein <cardoe@xxxxxxxxxx>]

Convert the xenoprof x86 build time option to Kconfig.

CC: Keir Fraser <keir@xxxxxxx>
CC: Jan Beulich <jbeulich@xxxxxxxx>
CC: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Signed-off-by: Doug Goldstein <cardoe@xxxxxxxxxx>
---
CC: Keir Fraser <keir@xxxxxxx>
CC: Jan Beulich <jbeulich@xxxxxxxx>
CC: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

change since v2:
- require EXPERT for XENOPROF as suggested by Jan Beulich
change since v1:
- fix name of Kconfig entry as suggested by Andrew Cooper
---
 xen/arch/x86/Makefile |  2 +-
 xen/arch/x86/Rules.mk |  3 ---
 xen/common/Kconfig    | 14 ++++++++++++++
 xen/common/Makefile   |  2 +-
 4 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/xen/arch/x86/Makefile b/xen/arch/x86/Makefile
index 434d985..1bcb08b 100644
--- a/xen/arch/x86/Makefile
+++ b/xen/arch/x86/Makefile
@@ -3,7 +3,7 @@ subdir-y += cpu
 subdir-y += genapic
 subdir-y += hvm
 subdir-y += mm
-subdir-$(xenoprof) += oprofile
+subdir-$(CONFIG_XENOPROF) += oprofile
 subdir-y += x86_64
 
 obj-bin-y += alternative.init.o
diff --git a/xen/arch/x86/Rules.mk b/xen/arch/x86/Rules.mk
index 94e4efd..14519e3 100644
--- a/xen/arch/x86/Rules.mk
+++ b/xen/arch/x86/Rules.mk
@@ -3,15 +3,12 @@
 
 HAS_NUMA := y
 HAS_CORE_PARKING := y
-xenoprof := y
 
 CFLAGS += -I$(BASEDIR)/include 
 CFLAGS += -I$(BASEDIR)/include/asm-x86/mach-generic
 CFLAGS += -I$(BASEDIR)/include/asm-x86/mach-default
 CFLAGS += '-D__OBJECT_LABEL__=$(subst /,$$,$(subst -,_,$(subst 
$(BASEDIR)/,,$(CURDIR))/$@))'
 
-CFLAGS-$(xenoprof) += -DCONFIG_XENOPROF
-
 # Prevent floating-point variables from creeping into Xen.
 CFLAGS += -msoft-float
 
diff --git a/xen/common/Kconfig b/xen/common/Kconfig
index 6f404b4..e4ba46d 100644
--- a/xen/common/Kconfig
+++ b/xen/common/Kconfig
@@ -84,6 +84,20 @@ config LATE_HWDOM
 
          If unsure, say N.
 
+# Adds support for Xenoprof
+config XENOPROF
+       bool
+       prompt "Xen Oprofile Support" if EXPERT = "y"
+       default y
+       depends on X86
+       ---help---
+         Xen OProfile (Xenoprof) is a system-wide profiler for Xen virtual
+         machine environments, capable of profiling the Xen virtual machine
+         monitor, multiple Linux guest operating systems, and applications
+         running on them.
+
+         If unsure, say Y.
+
 # Enable/Disable XSM support
 config XSM
        bool "Xen Security Modules support"
diff --git a/xen/common/Makefile b/xen/common/Makefile
index 6e82b33..126d373 100644
--- a/xen/common/Makefile
+++ b/xen/common/Makefile
@@ -62,7 +62,7 @@ obj-bin-$(CONFIG_X86) += $(foreach n,decompress bunzip2 unxz 
unlzma unlzo unlz4
 
 obj-$(perfc)       += perfc.o
 obj-$(crash_debug) += gdbstub.o
-obj-$(xenoprof)    += xenoprof.o
+obj-$(CONFIG_XENOPROF)    += xenoprof.o
 
 obj-$(CONFIG_COMPAT) += $(addprefix compat/,domain.o kernel.o memory.o 
multicall.o tmem_xen.o xlat.o)
 
-- 
2.4.10


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