Skip to contentSkip to conversation

x86: Remove unused parameter of prepare_switch_to

PATCH New rodrigosiqueira 2 participants 2 messages Dec 15, 2017 – Dec 27, 2017

Subsystems (2)
x86 Kernel janitors
lore
Share & tools
lore

rodrigosiqueira

author
#0 lore raw

PATCH 1/1 x86: Remove unused parameter of prepare_switch_to

Commit e37e43a497d5 ("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 <[email protected]>
---
 arch/x86/include/asm/switch_to.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
arch/x86/include/asm/switch_to.h +2 -3
index 8c6bd6863db9..1008d4622709 100644
@@ -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)
Signature · 1 line
2.15.1
merge bot
#1 lore raw
x86: Remove unused parameter of prepare_switch_to
Commit-ID:  7ac139eaa6bbdb07c547b6916a808eab3897e0e3
Gitweb:     https://git.kernel.org/tip/7ac139eaa6bbdb07c547b6916a808eab3897e0e3
Author:     rodrigosiqueira <[email protected]>
AuthorDate: Fri, 15 Dec 2017 11:15:33 -0200
Committer:  Thomas Gleixner <[email protected]>
CommitDate: Wed, 27 Dec 2017 20:37:41 +0100

x86: Remove unused parameter of prepare_switch_to

Commit e37e43a497d5 ("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 <[email protected]>
Signed-off-by Thomas Gleixner <[email protected]>
Cc [email protected]
Link https://lkml.kernel.org/r/[email protected] open here
---
 arch/x86/include/asm/switch_to.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
arch/x86/include/asm/switch_to.h +2 -3
index 8c6bd68..1008d46 100644
@@ -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)