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Subject[PATCH 2/2] um: Use asm-generic/switch_to.h
Date
Signed-off-by: Richard Weinberger <richard@nod.at>
---
arch/um/include/asm/Kbuild | 1 +
arch/um/kernel/process.c | 6 +-----
arch/x86/um/asm/switch_to.h | 7 -------
3 files changed, 2 insertions(+), 12 deletions(-)
delete mode 100644 arch/x86/um/asm/switch_to.h

diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild
index bb5d6e6..fff2435 100644
--- a/arch/um/include/asm/Kbuild
+++ b/arch/um/include/asm/Kbuild
@@ -1,3 +1,4 @@
generic-y += bug.h cputime.h device.h emergency-restart.h futex.h hardirq.h
generic-y += hw_irq.h irq_regs.h kdebug.h percpu.h sections.h topology.h xor.h
generic-y += ftrace.h pci.h io.h param.h delay.h mutex.h current.h exec.h
+generic-y += switch_to.h
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index f386d04..2b73ded 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -88,11 +88,8 @@ static inline void set_current(struct task_struct *task)

extern void arch_switch_to(struct task_struct *to);

-void *_switch_to(void *prev, void *next, void *last)
+void *__switch_to(struct task_struct *from, struct task_struct *to)
{
- struct task_struct *from = prev;
- struct task_struct *to = next;
-
to->thread.prev_sched = from;
set_current(to);

@@ -111,7 +108,6 @@ void *_switch_to(void *prev, void *next, void *last)
} while (current->thread.saved_task);

return current->thread.prev_sched;
-
}

void interrupt_end(void)
diff --git a/arch/x86/um/asm/switch_to.h b/arch/x86/um/asm/switch_to.h
deleted file mode 100644
index cf97d20..0000000
--- a/arch/x86/um/asm/switch_to.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef _ASM_UM_SWITCH_TO_H_
-#define _ASM_UM_SWITCH_TO_H_
-
-extern void *_switch_to(void *prev, void *next, void *last);
-#define switch_to(prev, next, last) prev = _switch_to(prev, next, last)
-
-#endif
--
1.7.7.3


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