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Commit 35ea7903 authored by Andi Kleen's avatar Andi Kleen Committed by H. Peter Anvin
Browse files

x86, asmlinkage: Make 32bit/64bit __switch_to visible 



This function is called from inline assembler, so has to be visible.

Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1375740170-7446-6-git-send-email-andi@firstfloor.org


Signed-off-by: default avatarH. Peter Anvin <hpa@linux.intel.com>
parent a1ed4ddf

arch/x86/include/asm/switch_to.h

+2 −2
Original line number Diff line number Diff line
@@ -2,7 +2,7 @@ 
#define _ASM_X86_SWITCH_TO_H



struct task_struct; /* one of the stranger aspects of C forward declarations */

struct task_struct *__switch_to(struct task_struct *prev,

__visible struct task_struct *__switch_to(struct task_struct *prev,

					   struct task_struct *next);

struct tss_struct;

void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p,

arch/x86/kernel/process_32.c

+1 −1
Original line number Diff line number Diff line
@@ -247,7 +247,7 @@ EXPORT_SYMBOL_GPL(start_thread); 
 * the task-switch, and shows up in ret_from_fork in entry.S,

 * for example.

 */

__notrace_funcgraph struct task_struct *

__visible __notrace_funcgraph struct task_struct *

__switch_to(struct task_struct *prev_p, struct task_struct *next_p)

{

	struct thread_struct *prev = &prev_p->thread,

arch/x86/kernel/process_64.c

+1 −1
Original line number Diff line number Diff line
@@ -274,7 +274,7 @@ void start_thread_ia32(struct pt_regs *regs, u32 new_ip, u32 new_sp) 
 * Kprobes not supported here. Set the probe on schedule instead.

 * Function graph tracer not supported too.

 */

__notrace_funcgraph struct task_struct *

__visible __notrace_funcgraph struct task_struct *

__switch_to(struct task_struct *prev_p, struct task_struct *next_p)

{

	struct thread_struct *prev = &prev_p->thread;