From a34978cbd977ab62c744f63daacd9dc1474482be Mon Sep 17 00:00:00 2001
From: Al Viro <viro@ftp.linux.org.uk>
Date: Thu, 18 Aug 2011 20:14:00 +0100
Subject: [PATCH] um: kill system-um.h
most of it belonged in irqflags.h, actually
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
arch/um/include/asm/irqflags.h | 38 +++++++++++++++++++++++++++-
arch/um/include/asm/system-um.h | 45 ---------------------------------
arch/x86/um/asm/system.h | 4 ++-
3 files changed, 40 insertions(+), 47 deletions(-)
delete mode 100644 arch/um/include/asm/system-um.h
diff --git a/arch/um/include/asm/irqflags.h b/arch/um/include/asm/irqflags.h
index 659b9abdfdba6..c780d8a167735 100644
--- a/arch/um/include/asm/irqflags.h
+++ b/arch/um/include/asm/irqflags.h
@@ -1,6 +1,42 @@
#ifndef __UM_IRQFLAGS_H
#define __UM_IRQFLAGS_H
-/* Empty for now */
+extern int get_signals(void);
+extern int set_signals(int enable);
+extern void block_signals(void);
+extern void unblock_signals(void);
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ return get_signals();
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ set_signals(flags);
+}
+
+static inline void arch_local_irq_enable(void)
+{
+ unblock_signals();
+}
+
+static inline void arch_local_irq_disable(void)
+{
+ block_signals();
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+ flags = arch_local_save_flags();
+ arch_local_irq_disable();
+ return flags;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+ return arch_local_save_flags() == 0;
+}
#endif
diff --git a/arch/um/include/asm/system-um.h b/arch/um/include/asm/system-um.h
deleted file mode 100644
index 0eec245792888..0000000000000
--- a/arch/um/include/asm/system-um.h
+++ /dev/null
@@ -1,45 +0,0 @@
-#ifndef __UM_SYSTEM_GENERIC_H
-#define __UM_SYSTEM_GENERIC_H
-
-extern int get_signals(void);
-extern int set_signals(int enable);
-extern void block_signals(void);
-extern void unblock_signals(void);
-
-static inline unsigned long arch_local_save_flags(void)
-{
- return get_signals();
-}
-
-static inline void arch_local_irq_restore(unsigned long flags)
-{
- set_signals(flags);
-}
-
-static inline void arch_local_irq_enable(void)
-{
- unblock_signals();
-}
-
-static inline void arch_local_irq_disable(void)
-{
- block_signals();
-}
-
-static inline unsigned long arch_local_irq_save(void)
-{
- unsigned long flags;
- flags = arch_local_save_flags();
- arch_local_irq_disable();
- return flags;
-}
-
-static inline bool arch_irqs_disabled(void)
-{
- return arch_local_save_flags() == 0;
-}
-
-extern void *_switch_to(void *prev, void *next, void *last);
-#define switch_to(prev, next, last) prev = _switch_to(prev, next, last)
-
-#endif
diff --git a/arch/x86/um/asm/system.h b/arch/x86/um/asm/system.h
index a89113bc74f2e..a459fd9b7598e 100644
--- a/arch/x86/um/asm/system.h
+++ b/arch/x86/um/asm/system.h
@@ -6,7 +6,6 @@
#include <asm/cpufeature.h>
#include <asm/cmpxchg.h>
#include <asm/nops.h>
-#include <asm/system-um.h>
#include <linux/kernel.h>
#include <linux/irqflags.h>
@@ -130,4 +129,7 @@ static inline void rdtsc_barrier(void)
alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC);
}
+extern void *_switch_to(void *prev, void *next, void *last);
+#define switch_to(prev, next, last) prev = _switch_to(prev, next, last)
+
#endif
--
GitLab