From: Leonidas Da Silva Barbosa Date: Mon, 13 Jul 2015 16:51:01 +0000 (-0300) Subject: powerpc: Uncomment and make enable_kernel_vsx() routine available X-Git-Tag: v4.14-rc1~4492^2~144 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=72cd7b44bc99376b3f3c93cedcd052663fcdf705;p=platform%2Fkernel%2Flinux-rpi.git powerpc: Uncomment and make enable_kernel_vsx() routine available 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 Signed-off-by: Herbert Xu --- diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index 58abeda..15cca17 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -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 *); diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 8005e18..64e6e9d 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -204,8 +204,6 @@ EXPORT_SYMBOL_GPL(flush_altivec_to_thread); #endif /* CONFIG_ALTIVEC */ #ifdef CONFIG_VSX -#if 0 -/* not currently used, but some crazy RAID module might want to later */ void enable_kernel_vsx(void) { WARN_ON(preemptible()); @@ -220,7 +218,6 @@ void enable_kernel_vsx(void) #endif /* CONFIG_SMP */ } EXPORT_SYMBOL(enable_kernel_vsx); -#endif void giveup_vsx(struct task_struct *tsk) {