clocksource: Change __ARCH_HAS_CLOCKSOURCE_DATA to a CONFIG option
The machinery for __ARCH_HAS_CLOCKSOURCE_DATA assumed a file in
asm-generic would be the default for architectures without their own
file in asm/, but that is not how it works.
Replace it with a Kconfig option instead.
Link: http://lkml.kernel.org/r/4E288AA6.7090804@zytor.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Andy Lutomirski <luto@mit.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 38280ef..0a9820a 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -101,6 +101,9 @@
bool
default y
+config ARCH_CLOCKSOURCE_DATA
+ def_bool y
+
config SCHED_OMIT_FRAME_POINTER
bool
default y
diff --git a/arch/ia64/include/asm/clocksource.h b/arch/ia64/include/asm/clocksource.h
index 00eb549..5c8596e 100644
--- a/arch/ia64/include/asm/clocksource.h
+++ b/arch/ia64/include/asm/clocksource.h
@@ -3,8 +3,6 @@
#ifndef _ASM_IA64_CLOCKSOURCE_H
#define _ASM_IA64_CLOCKSOURCE_H
-#define __ARCH_HAS_CLOCKSOURCE_DATA
-
struct arch_clocksource_data {
void *fsys_mmio; /* used by fsyscall asm code */
};
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index da34972..c1e41bc 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -93,6 +93,10 @@
config GENERIC_CLOCKEVENTS
def_bool y
+config ARCH_CLOCKSOURCE_DATA
+ def_bool y
+ depends on X86_64
+
config GENERIC_CLOCKEVENTS_BROADCAST
def_bool y
depends on X86_64 || (X86_32 && X86_LOCAL_APIC)
diff --git a/arch/x86/include/asm/clocksource.h b/arch/x86/include/asm/clocksource.h
index 3882c65..0bdbbb3 100644
--- a/arch/x86/include/asm/clocksource.h
+++ b/arch/x86/include/asm/clocksource.h
@@ -5,8 +5,6 @@
#ifdef CONFIG_X86_64
-#define __ARCH_HAS_CLOCKSOURCE_DATA
-
#define VCLOCK_NONE 0 /* No vDSO clock available. */
#define VCLOCK_TSC 1 /* vDSO should use vread_tsc. */
#define VCLOCK_HPET 2 /* vDSO should use vread_hpet. */
diff --git a/include/asm-generic/clocksource.h b/include/asm-generic/clocksource.h
deleted file mode 100644
index 0a462d3..0000000
--- a/include/asm-generic/clocksource.h
+++ /dev/null
@@ -1,4 +0,0 @@
-/*
- * Architectures should override this file to add private userspace
- * clock magic if needed.
- */
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 6bb6970..59ee970 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -22,7 +22,9 @@
typedef u64 cycle_t;
struct clocksource;
+#ifdef CONFIG_ARCH_CLOCKSOURCE_DATA
#include <asm/clocksource.h>
+#endif
/**
* struct cyclecounter - hardware abstraction for a free running counter
@@ -171,7 +173,7 @@
u32 shift;
u64 max_idle_ns;
-#ifdef __ARCH_HAS_CLOCKSOURCE_DATA
+#ifdef CONFIG_ARCH_CLOCKSOURCE_DATA
struct arch_clocksource_data archdata;
#endif