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x86: Remove unused parameter of prepare_switch_to 

Commit e37e43a497 ("x86/mm/64: Enable vmapped stacks
(CONFIG_HAVE_ARCH_VMAP_STACK=y)") added prepare_switch_to with one extra
parameter which is not used by the function, remove it.

Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: kernel-janitors@vger.kernel.org
Link: https://lkml.kernel.org/r/20171215131533.hp6kqebw45o7uvsb@smtp.gmail.com
This commit is contained in:
rodrigosiqueira 2017-12-15 11:15:33 -02:00 committed by Thomas Gleixner
parent 6454b3bdd1
commit 7ac139eaa6
1 changed files with 2 additions and 3 deletions
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5
arch/x86/include/asm/switch_to.h
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@ -16,8 +16,7 @@ void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p,
struct tss_struct *tss);
/* This runs runs on the previous thread's stack. */
static inline void prepare_switch_to(struct task_struct *prev,
struct task_struct *next)
static inline void prepare_switch_to(struct task_struct *next)
{
#ifdef CONFIG_VMAP_STACK
/*
@ -70,7 +69,7 @@ struct fork_frame {
#define switch_to(prev, next, last) \
do { \
prepare_switch_to(prev, next); \
prepare_switch_to(next); \
\
((last) = __switch_to_asm((prev), (next))); \
} while (0)