diff options
Diffstat (limited to 'arch/powerpc/kernel/signal_32.c')
-rw-r--r-- | arch/powerpc/kernel/signal_32.c | 50 |
1 files changed, 23 insertions, 27 deletions
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 9637f8eb5204..3b9356bb4457 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -526,9 +526,6 @@ static int save_tm_user_regs(struct pt_regs *regs, */ regs->msr &= ~MSR_TS_MASK; - /* Make sure floating point registers are stored in regs */ - flush_fp_to_thread(current); - /* Save both sets of general registers */ if (save_general_regs(¤t->thread.ckpt_regs, frame) || save_general_regs(regs, tm_frame)) @@ -546,18 +543,17 @@ static int save_tm_user_regs(struct pt_regs *regs, #ifdef CONFIG_ALTIVEC /* save altivec registers */ if (current->thread.used_vr) { - flush_altivec_to_thread(current); - if (__copy_to_user(&frame->mc_vregs, ¤t->thread.vr_state, + if (__copy_to_user(&frame->mc_vregs, ¤t->thread.transact_vr, ELF_NVRREG * sizeof(vector128))) return 1; if (msr & MSR_VEC) { if (__copy_to_user(&tm_frame->mc_vregs, - ¤t->thread.transact_vr, + ¤t->thread.vr_state, ELF_NVRREG * sizeof(vector128))) return 1; } else { if (__copy_to_user(&tm_frame->mc_vregs, - ¤t->thread.vr_state, + ¤t->thread.transact_vr, ELF_NVRREG * sizeof(vector128))) return 1; } @@ -574,28 +570,28 @@ static int save_tm_user_regs(struct pt_regs *regs, * most significant bits of that same vector. --BenH */ if (cpu_has_feature(CPU_FTR_ALTIVEC)) - current->thread.vrsave = mfspr(SPRN_VRSAVE); - if (__put_user(current->thread.vrsave, + current->thread.transact_vrsave = mfspr(SPRN_VRSAVE); + if (__put_user(current->thread.transact_vrsave, (u32 __user *)&frame->mc_vregs[32])) return 1; if (msr & MSR_VEC) { - if (__put_user(current->thread.transact_vrsave, + if (__put_user(current->thread.vrsave, (u32 __user *)&tm_frame->mc_vregs[32])) return 1; } else { - if (__put_user(current->thread.vrsave, + if (__put_user(current->thread.transact_vrsave, (u32 __user *)&tm_frame->mc_vregs[32])) return 1; } #endif /* CONFIG_ALTIVEC */ - if (copy_fpr_to_user(&frame->mc_fregs, current)) + if (copy_transact_fpr_to_user(&frame->mc_fregs, current)) return 1; if (msr & MSR_FP) { - if (copy_transact_fpr_to_user(&tm_frame->mc_fregs, current)) + if (copy_fpr_to_user(&tm_frame->mc_fregs, current)) return 1; } else { - if (copy_fpr_to_user(&tm_frame->mc_fregs, current)) + if (copy_transact_fpr_to_user(&tm_frame->mc_fregs, current)) return 1; } @@ -607,15 +603,14 @@ static int save_tm_user_regs(struct pt_regs *regs, * contains valid data */ if (current->thread.used_vsr) { - flush_vsx_to_thread(current); - if (copy_vsx_to_user(&frame->mc_vsregs, current)) + if (copy_transact_vsx_to_user(&frame->mc_vsregs, current)) return 1; if (msr & MSR_VSX) { - if (copy_transact_vsx_to_user(&tm_frame->mc_vsregs, + if (copy_vsx_to_user(&tm_frame->mc_vsregs, current)) return 1; } else { - if (copy_vsx_to_user(&tm_frame->mc_vsregs, current)) + if (copy_transact_vsx_to_user(&tm_frame->mc_vsregs, current)) return 1; } @@ -797,9 +792,9 @@ static long restore_tm_user_regs(struct pt_regs *regs, regs->msr &= ~MSR_VEC; if (msr & MSR_VEC) { /* restore altivec registers from the stack */ - if (__copy_from_user(¤t->thread.vr_state, &sr->mc_vregs, + if (__copy_from_user(¤t->thread.transact_vr, &sr->mc_vregs, sizeof(sr->mc_vregs)) || - __copy_from_user(¤t->thread.transact_vr, + __copy_from_user(¤t->thread.vr_state, &tm_sr->mc_vregs, sizeof(sr->mc_vregs))) return 1; @@ -812,13 +807,13 @@ static long restore_tm_user_regs(struct pt_regs *regs, } /* Always get VRSAVE back */ - if (__get_user(current->thread.vrsave, + if (__get_user(current->thread.transact_vrsave, (u32 __user *)&sr->mc_vregs[32]) || - __get_user(current->thread.transact_vrsave, + __get_user(current->thread.vrsave, (u32 __user *)&tm_sr->mc_vregs[32])) return 1; if (cpu_has_feature(CPU_FTR_ALTIVEC)) - mtspr(SPRN_VRSAVE, current->thread.vrsave); + mtspr(SPRN_VRSAVE, current->thread.transact_vrsave); #endif /* CONFIG_ALTIVEC */ regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1); @@ -834,8 +829,8 @@ static long restore_tm_user_regs(struct pt_regs *regs, * Restore altivec registers from the stack to a local * buffer, then write this out to the thread_struct */ - if (copy_vsx_from_user(current, &sr->mc_vsregs) || - copy_transact_vsx_from_user(current, &tm_sr->mc_vsregs)) + if (copy_vsx_from_user(current, &tm_sr->mc_vsregs) || + copy_transact_vsx_from_user(current, &sr->mc_vsregs)) return 1; current->thread.used_vsr = true; } else if (current->thread.used_vsr) @@ -884,13 +879,14 @@ static long restore_tm_user_regs(struct pt_regs *regs, tm_recheckpoint(¤t->thread, msr); /* This loads the speculative FP/VEC state, if used */ + msr_check_and_set(msr & (MSR_FP | MSR_VEC)); if (msr & MSR_FP) { - do_load_up_transact_fpu(¤t->thread); + load_fp_state(¤t->thread.fp_state); regs->msr |= (MSR_FP | current->thread.fpexc_mode); } #ifdef CONFIG_ALTIVEC if (msr & MSR_VEC) { - do_load_up_transact_altivec(¤t->thread); + load_vr_state(¤t->thread.vr_state); regs->msr |= MSR_VEC; } #endif |