Merge tag 'renesas-fixes-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel...

[cascardo/linux.git] / arch / powerpc / kernel / signal_32.c

diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 1844298..68027bf 100644 (file)
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -445,6 +445,12 @@ static int save_user_regs(struct pt_regs *regs, struct mcontext __user *frame,
 #endif /* CONFIG_ALTIVEC */
        if (copy_fpr_to_user(&frame->mc_fregs, current))
                return 1;
+
+       /*
+        * Clear the MSR VSX bit to indicate there is no valid state attached
+        * to this context, except in the specific case below where we set it.
+        */
+       msr &= ~MSR_VSX;
 #ifdef CONFIG_VSX
        /*
         * Copy VSR 0-31 upper half from thread_struct to local
@@ -457,15 +463,7 @@ static int save_user_regs(struct pt_regs *regs, struct mcontext __user *frame,
                if (copy_vsx_to_user(&frame->mc_vsregs, current))
                        return 1;
                msr |= MSR_VSX;
-       } else if (!ctx_has_vsx_region)
-               /*
-                * With a small context structure we can't hold the VSX
-                * registers, hence clear the MSR value to indicate the state
-                * was not saved.
-                */
-               msr &= ~MSR_VSX;
-
-
+       }
 #endif /* CONFIG_VSX */
 #ifdef CONFIG_SPE
        /* save spe registers */