aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/switch_to.h
diff options
context:
space:
mode:
authorKevin Hao <haokexin@gmail.com>2013-07-14 17:02:06 +0800
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-08-14 14:59:50 +1000
commit5f20be4478032eeba66abddc79eae3abea45c5c8 (patch)
treec09e35314402b3647a012b517fa19a7aa0d6a80c /arch/powerpc/include/asm/switch_to.h
parent037f0eed57c3f35367ac32275e45f24e297549e9 (diff)
downloadkernel_goldelico_gta04-5f20be4478032eeba66abddc79eae3abea45c5c8.zip
kernel_goldelico_gta04-5f20be4478032eeba66abddc79eae3abea45c5c8.tar.gz
kernel_goldelico_gta04-5f20be4478032eeba66abddc79eae3abea45c5c8.tar.bz2
powerpc: Remove the empty giveup_fpu() function on 32bit kernel
Instead of implementing an empty giveup_fpu() function for each 32bit processor type, replace them with an unique empty inline function. Signed-off-by: Kevin Hao <haokexin@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/switch_to.h')
-rw-r--r--arch/powerpc/include/asm/switch_to.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
index 39cf0f6..2c7edde 100644
--- a/arch/powerpc/include/asm/switch_to.h
+++ b/arch/powerpc/include/asm/switch_to.h
@@ -16,7 +16,6 @@ struct thread_struct;
extern struct task_struct *_switch(struct thread_struct *prev,
struct thread_struct *next);
-extern void giveup_fpu(struct task_struct *);
extern void load_up_fpu(void);
extern void enable_kernel_fp(void);
extern void enable_kernel_altivec(void);
@@ -38,8 +37,10 @@ static inline void discard_lazy_cpu_state(void)
#ifdef CONFIG_PPC_FPU
extern void flush_fp_to_thread(struct task_struct *);
+extern void giveup_fpu(struct task_struct *);
#else
static inline void flush_fp_to_thread(struct task_struct *t) { }
+static inline void giveup_fpu(struct task_struct *t) { }
#endif
#ifdef CONFIG_ALTIVEC