Commit b5e0950f authored by Tiwei Bie's avatar Tiwei Bie Committed by Richard Weinberger
Browse files

um: Remove unused functions 



These functions are not used anymore. Removing them will also address
below -Wmissing-prototypes warnings:

arch/um/kernel/process.c:51:5: warning: no previous prototype for ‘pid_to_processor_id’ [-Wmissing-prototypes]
arch/um/kernel/process.c:253:5: warning: no previous prototype for ‘copy_to_user_proc’ [-Wmissing-prototypes]
arch/um/kernel/process.c:263:5: warning: no previous prototype for ‘clear_user_proc’ [-Wmissing-prototypes]
arch/um/kernel/tlb.c:579:6: warning: no previous prototype for ‘flush_tlb_mm_range’ [-Wmissing-prototypes]

Signed-off-by: default avatarTiwei Bie <tiwei.btw@antgroup.com>
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent 0c2b208c

arch/um/kernel/process.c

+0 −21
Original line number Diff line number Diff line
@@ -48,17 +48,6 @@ static inline int external_pid(void) 
	return userspace_pid[0];

}



int pid_to_processor_id(int pid)

{

	int i;



	for (i = 0; i < ncpus; i++) {

		if (cpu_tasks[i].pid == pid)

			return i;

	}

	return -1;

}



void free_stack(unsigned long stack, int order)

{

	free_pages(stack, order);
@@ -250,21 +239,11 @@ char *uml_strdup(const char *string) 
}

EXPORT_SYMBOL(uml_strdup);



int copy_to_user_proc(void __user *to, void *from, int size)

{

	return copy_to_user(to, from, size);

}



int copy_from_user_proc(void *to, void __user *from, int size)

{

	return copy_from_user(to, from, size);

}



int clear_user_proc(void __user *buf, int size)

{

	return clear_user(buf, size);

}



static atomic_t using_sysemu = ATOMIC_INIT(0);

int sysemu_supported;

arch/um/kernel/tlb.c

+0 −6
Original line number Diff line number Diff line
@@ -576,12 +576,6 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, 
}

EXPORT_SYMBOL(flush_tlb_range);



void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,

			unsigned long end)

{

	fix_range(mm, start, end, 0);

}



void flush_tlb_mm(struct mm_struct *mm)

{

	struct vm_area_struct *vma;