diff options
Diffstat (limited to 'arch/powerpc/kernel/signal_32.c')
-rw-r--r-- | arch/powerpc/kernel/signal_32.c | 16 |
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 */ |