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author | Andi Kleen <ak@linux.intel.com> | 2013-08-06 00:02:39 +0200 |
---|---|---|
committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-08-06 23:18:30 +0200 |
commit | 35ea7903b8a97162e38da9da3b560df74713321d (patch) | |
tree | ecf6c69d177e9ec3b457a9a2c7db327ffeb2940c | |
parent | x86, asmlinkage: Make _*_start_kernel visible (diff) | |
download | linux-35ea7903b8a97162e38da9da3b560df74713321d.tar.xz linux-35ea7903b8a97162e38da9da3b560df74713321d.zip |
x86, asmlinkage: Make 32bit/64bit __switch_to visible
This function is called from inline assembler, so has to be visible.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1375740170-7446-6-git-send-email-andi@firstfloor.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
-rw-r--r-- | arch/x86/include/asm/switch_to.h | 4 | ||||
-rw-r--r-- | arch/x86/kernel/process_32.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/process_64.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h index 4ec45b3abba1..d7f3b3b78ac3 100644 --- a/arch/x86/include/asm/switch_to.h +++ b/arch/x86/include/asm/switch_to.h @@ -2,8 +2,8 @@ #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, - struct task_struct *next); +__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, struct tss_struct *tss); diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index f8adefca71dc..884f98f69354 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -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, diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 05646bab4ca6..6e8c1d02ab4b 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -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; |