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Diffstat (limited to 'arch/powerpc/kernel/signal_32.c')
-rw-r--r--arch/powerpc/kernel/signal_32.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 1844298f5ea4..68027bfa5f8e 100644
--- 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,
445#endif /* CONFIG_ALTIVEC */ 445#endif /* CONFIG_ALTIVEC */
446 if (copy_fpr_to_user(&frame->mc_fregs, current)) 446 if (copy_fpr_to_user(&frame->mc_fregs, current))
447 return 1; 447 return 1;
448
449 /*
450 * Clear the MSR VSX bit to indicate there is no valid state attached
451 * to this context, except in the specific case below where we set it.
452 */
453 msr &= ~MSR_VSX;
448#ifdef CONFIG_VSX 454#ifdef CONFIG_VSX
449 /* 455 /*
450 * Copy VSR 0-31 upper half from thread_struct to local 456 * 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,
457 if (copy_vsx_to_user(&frame->mc_vsregs, current)) 463 if (copy_vsx_to_user(&frame->mc_vsregs, current))
458 return 1; 464 return 1;
459 msr |= MSR_VSX; 465 msr |= MSR_VSX;
460 } else if (!ctx_has_vsx_region) 466 }
461 /*
462 * With a small context structure we can't hold the VSX
463 * registers, hence clear the MSR value to indicate the state
464 * was not saved.
465 */
466 msr &= ~MSR_VSX;
467
468
469#endif /* CONFIG_VSX */ 467#endif /* CONFIG_VSX */
470#ifdef CONFIG_SPE 468#ifdef CONFIG_SPE
471 /* save spe registers */ 469 /* save spe registers */