This is a note to let you know that I've just added the patch titled powerpc: Uncomment and make enable_kernel_vsx() routine available to the 4.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: powerpc-uncomment-and-make-enable_kernel_vsx-routine-available.patch and it can be found in the queue-4.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 72cd7b44bc99376b3f3c93cedcd052663fcdf705 Mon Sep 17 00:00:00 2001 From: Leonidas Da Silva Barbosa <leosilva@xxxxxxxxxxxxxxxxxx> Date: Mon, 13 Jul 2015 13:51:01 -0300 Subject: powerpc: Uncomment and make enable_kernel_vsx() routine available From: Leonidas Da Silva Barbosa <leosilva@xxxxxxxxxxxxxxxxxx> commit 72cd7b44bc99376b3f3c93cedcd052663fcdf705 upstream. 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@xxxxxxxxxxxxxxxxxx> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/powerpc/include/asm/switch_to.h | 1 + arch/powerpc/kernel/process.c | 3 --- 2 files changed, 1 insertion(+), 3 deletions(-) --- 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(struc 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 *); --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -204,8 +204,6 @@ EXPORT_SYMBOL_GPL(flush_altivec_to_threa #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) { Patches currently in stable-queue which might be from leosilva@xxxxxxxxxxxxxxxxxx are queue-4.1/powerpc-uncomment-and-make-enable_kernel_vsx-routine-available.patch queue-4.1/crypto-vmx-adding-enable_kernel_vsx-to-access-vsx-instructions.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html