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powerpc: Uncomment and make enable_kernel_vsx() routine available

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enable_kernel_vsx() function was commented since anything was using
it. However, vmx-crypto driver uses VSX instructions which are
only available if VSX is enable. Otherwise it rises an exception oops.

This patch uncomment enable_kernel_vsx() routine and makes it available.

Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Leonidas Da Silva Barbosa
2015-07-13 13:51:01 -03:00
committed by Herbert Xu
parent 1f644a7c7c
commit 72cd7b44bc
2 changed files with 1 additions and 3 deletions
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arch/powerpc/include/asm/switch_to.h
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@@ -29,6 +29,7 @@ static inline void save_early_sprs(struct thread_struct *prev) {}
extern void enable_kernel_fp(void);
extern void enable_kernel_altivec(void);
extern void enable_kernel_vsx(void);
extern int emulate_altivec(struct pt_regs *);
extern void __giveup_vsx(struct task_struct *);
extern void giveup_vsx(struct task_struct *);