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authorRandy Dunlap <rdunlap@infradead.org>2017-01-24 15:18:49 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-17 06:41:56 +0200
commit093d494c6d1db5d8bda26b64212edac62cb7d49a (patch)
treee390f248289c307e4e3b1a802d8e12fa3a2e146f /arch/mn10300
parent5e4cafca06bfc6477b237161b7ddea7d14228803 (diff)
mn10300: fix build error of missing fpu_save()
[ Upstream commit 3705ccfdd1e8b539225ce20e3925a945cc788d67 ] When CONFIG_FPU is not enabled on arch/mn10300, <asm/switch_to.h> causes a build error with a call to fpu_save(): kernel/built-in.o: In function `.L410': core.c:(.sched.text+0x28a): undefined reference to `fpu_save' Fix this by including <asm/fpu.h> in <asm/switch_to.h> so that an empty static inline fpu_save() is defined. Link: http://lkml.kernel.org/r/dc421c4f-4842-4429-1b99-92865c2f24b6@infradead.org Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kbuild test robot <fengguang.wu@intel.com> Reviewed-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/mn10300')
-rw-r--r--arch/mn10300/include/asm/switch_to.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mn10300/include/asm/switch_to.h b/arch/mn10300/include/asm/switch_to.h
index 393d311735c8..67e333aa7629 100644
--- a/arch/mn10300/include/asm/switch_to.h
+++ b/arch/mn10300/include/asm/switch_to.h
@@ -16,7 +16,7 @@
struct task_struct;
struct thread_struct;
-#if !defined(CONFIG_LAZY_SAVE_FPU)
+#if defined(CONFIG_FPU) && !defined(CONFIG_LAZY_SAVE_FPU)
struct fpu_state_struct;
extern asmlinkage void fpu_save(struct fpu_state_struct *);
#define switch_fpu(prev, next) \