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[Xen-devel] [PATCH v3 07/25] xen/common/Makefile: introduce HAS_CPUFREQ, HAS_PCI, HAS_PASSTHROUGH, HAS_NS16550, HAS_KEXEC



From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

- make the compilation of ns16550.c depend upon HAS_NS16550;

- make the compilation of cpufreq depend upon HAS_CPUFREQ;

- make the compilation of pci depend upon HAS_PCI;

- make the compilation of passthrough depend upon HAS_PASSTHROUGH;

- make the compilation of kexec depend upon HAS_KEXEC.


Changes in v2:

- introduce HAS_KEXEC and CONFIG_KEXEC kexec.


Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
---
 xen/arch/ia64/Rules.mk        |    5 +++++
 xen/arch/x86/Rules.mk         |    5 +++++
 xen/common/Makefile           |    2 +-
 xen/common/shutdown.c         |    4 ++++
 xen/drivers/Makefile          |    6 +++---
 xen/drivers/char/Makefile     |    2 +-
 xen/drivers/char/console.c    |    4 ++++
 xen/include/asm-ia64/config.h |    1 +
 xen/include/asm-x86/config.h  |    1 +
 9 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/xen/arch/ia64/Rules.mk b/xen/arch/ia64/Rules.mk
index bef11c3..054b4de 100644
--- a/xen/arch/ia64/Rules.mk
+++ b/xen/arch/ia64/Rules.mk
@@ -4,6 +4,11 @@
 ia64 := y
 HAS_ACPI := y
 HAS_VGA  := y
+HAS_CPUFREQ := y
+HAS_PCI := y
+HAS_PASSTHROUGH := y
+HAS_NS16550 := y
+HAS_KEXEC := y
 xenoprof := y
 no_warns ?= n
 vti_debug ?= n
diff --git a/xen/arch/x86/Rules.mk b/xen/arch/x86/Rules.mk
index bf77aef..1e48877 100644
--- a/xen/arch/x86/Rules.mk
+++ b/xen/arch/x86/Rules.mk
@@ -3,6 +3,11 @@
 
 HAS_ACPI := y
 HAS_VGA  := y
+HAS_CPUFREQ := y
+HAS_PCI := y
+HAS_PASSTHROUGH := y
+HAS_NS16550 := y
+HAS_KEXEC := y
 xenoprof := y
 
 #
diff --git a/xen/common/Makefile b/xen/common/Makefile
index 1d85e65..9249845 100644
--- a/xen/common/Makefile
+++ b/xen/common/Makefile
@@ -8,7 +8,7 @@ obj-y += grant_table.o
 obj-y += irq.o
 obj-y += kernel.o
 obj-y += keyhandler.o
-obj-y += kexec.o
+obj-$(HAS_KEXEC) += kexec.o
 obj-y += lib.o
 obj-y += memory.o
 obj-y += multicall.o
diff --git a/xen/common/shutdown.c b/xen/common/shutdown.c
index e356e86..b18ef5d 100644
--- a/xen/common/shutdown.c
+++ b/xen/common/shutdown.c
@@ -6,7 +6,9 @@
 #include <xen/delay.h>
 #include <xen/shutdown.h>
 #include <xen/console.h>
+#ifdef CONFIG_KEXEC
 #include <xen/kexec.h>
+#endif
 #include <asm/debugger.h>
 #include <public/sched.h>
 
@@ -58,7 +60,9 @@ void dom0_shutdown(u8 reason)
     case SHUTDOWN_watchdog:
     {
         printk("Domain 0 shutdown: watchdog rebooting machine.\n");
+#ifdef CONFIG_KEXEC
         kexec_crash();
+#endif
         machine_restart(0);
         break; /* not reached */
     }
diff --git a/xen/drivers/Makefile b/xen/drivers/Makefile
index eb4fb61..7239375 100644
--- a/xen/drivers/Makefile
+++ b/xen/drivers/Makefile
@@ -1,6 +1,6 @@
 subdir-y += char
-subdir-y += cpufreq
-subdir-y += pci
-subdir-y += passthrough
+subdir-$(HAS_CPUFREQ) += cpufreq
+subdir-$(HAS_PCI) += pci
+subdir-$(HAS_PASSTHROUGH) += passthrough
 subdir-$(HAS_ACPI) += acpi
 subdir-$(HAS_VGA) += video
diff --git a/xen/drivers/char/Makefile b/xen/drivers/char/Makefile
index ded9a94..19250c8 100644
--- a/xen/drivers/char/Makefile
+++ b/xen/drivers/char/Makefile
@@ -1,3 +1,3 @@
 obj-y += console.o
-obj-y += ns16550.o
+obj-$(HAS_NS16550) += ns16550.o
 obj-y += serial.o
diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c
index 89cf4f8..19f021c 100644
--- a/xen/drivers/char/console.c
+++ b/xen/drivers/char/console.c
@@ -22,7 +22,9 @@
 #include <xen/guest_access.h>
 #include <xen/shutdown.h>
 #include <xen/vga.h>
+#ifdef CONFIG_KEXEC
 #include <xen/kexec.h>
+#endif
 #include <asm/debugger.h>
 #include <asm/div64.h>
 #include <xen/hypercall.h> /* for do_console_io */
@@ -961,7 +963,9 @@ void panic(const char *fmt, ...)
 
     debugger_trap_immediate();
 
+#ifdef CONFIG_KEXEC
     kexec_crash();
+#endif
 
     if ( opt_noreboot )
     {
diff --git a/xen/include/asm-ia64/config.h b/xen/include/asm-ia64/config.h
index 0173487..6e9fc98 100644
--- a/xen/include/asm-ia64/config.h
+++ b/xen/include/asm-ia64/config.h
@@ -20,6 +20,7 @@
 #define CONFIG_EFI
 #define CONFIG_EFI_PCDP
 #define CONFIG_SERIAL_SGI_L1_CONSOLE
+#define CONFIG_KEXEC 1
 #define CONFIG_XENOPROF 1
 
 #define CONFIG_XEN_SMP
diff --git a/xen/include/asm-x86/config.h b/xen/include/asm-x86/config.h
index 905c0f8..cf6a4cc 100644
--- a/xen/include/asm-x86/config.h
+++ b/xen/include/asm-x86/config.h
@@ -44,6 +44,7 @@
 #define CONFIG_HOTPLUG_CPU 1
 
 #define CONFIG_XENOPROF 1
+#define CONFIG_KEXEC 1
 
 #define HZ 100
 
-- 
1.7.2.5


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