[PATCH -next v20 01/26] riscv: Rename __switch_to_aux() -> fpu

Andy Chiu andy.chiu at sifive.com
Thu May 18 09:19:24 PDT 2023


From: Guo Ren <ren_guo at c-sky.com>

The name of __switch_to_aux() is not clear and rename it with the
determine function: __switch_to_fpu(). Next we could add other regs'
switch.

Signed-off-by: Guo Ren <ren_guo at c-sky.com>
Signed-off-by: Guo Ren <guoren at linux.alibaba.com>
Signed-off-by: Greentime Hu <greentime.hu at sifive.com>
Reviewed-by: Anup Patel <anup at brainfault.org>
Reviewed-by: Palmer Dabbelt <palmer at rivosinc.com>
Signed-off-by: Andy Chiu <andy.chiu at sifive.com>
Tested-by: Heiko Stuebner <heiko.stuebner at vrull.eu>
Reviewed-by: Heiko Stuebner <heiko.stuebner at vrull.eu>
Reviewed-by: Conor Dooley <conor.dooley at microchip.com>
---
 arch/riscv/include/asm/switch_to.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/riscv/include/asm/switch_to.h b/arch/riscv/include/asm/switch_to.h
index 60f8ca01d36e..4b96b13dee27 100644
--- a/arch/riscv/include/asm/switch_to.h
+++ b/arch/riscv/include/asm/switch_to.h
@@ -46,7 +46,7 @@ static inline void fstate_restore(struct task_struct *task,
 	}
 }
 
-static inline void __switch_to_aux(struct task_struct *prev,
+static inline void __switch_to_fpu(struct task_struct *prev,
 				   struct task_struct *next)
 {
 	struct pt_regs *regs;
@@ -66,7 +66,7 @@ static __always_inline bool has_fpu(void)
 static __always_inline bool has_fpu(void) { return false; }
 #define fstate_save(task, regs) do { } while (0)
 #define fstate_restore(task, regs) do { } while (0)
-#define __switch_to_aux(__prev, __next) do { } while (0)
+#define __switch_to_fpu(__prev, __next) do { } while (0)
 #endif
 
 extern struct task_struct *__switch_to(struct task_struct *,
@@ -77,7 +77,7 @@ do {							\
 	struct task_struct *__prev = (prev);		\
 	struct task_struct *__next = (next);		\
 	if (has_fpu())					\
-		__switch_to_aux(__prev, __next);	\
+		__switch_to_fpu(__prev, __next);	\
 	((last) = __switch_to(__prev, __next));		\
 } while (0)
 
-- 
2.17.1




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