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Diffstat (limited to 'arch/powerpc/kernel/signal_32.c')
-rw-r--r--arch/powerpc/kernel/signal_32.c50
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(&current->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, &current->thread.vr_state,
+ if (__copy_to_user(&frame->mc_vregs, &current->thread.transact_vr,
ELF_NVRREG * sizeof(vector128)))
return 1;
if (msr & MSR_VEC) {
if (__copy_to_user(&tm_frame->mc_vregs,
- &current->thread.transact_vr,
+ &current->thread.vr_state,
ELF_NVRREG * sizeof(vector128)))
return 1;
} else {
if (__copy_to_user(&tm_frame->mc_vregs,
- &current->thread.vr_state,
+ &current->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(&current->thread.vr_state, &sr->mc_vregs,
+ if (__copy_from_user(&current->thread.transact_vr, &sr->mc_vregs,
sizeof(sr->mc_vregs)) ||
- __copy_from_user(&current->thread.transact_vr,
+ __copy_from_user(&current->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(&current->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(&current->thread);
+ load_fp_state(&current->thread.fp_state);
regs->msr |= (MSR_FP | current->thread.fpexc_mode);
}
#ifdef CONFIG_ALTIVEC
if (msr & MSR_VEC) {
- do_load_up_transact_altivec(&current->thread);
+ load_vr_state(&current->thread.vr_state);
regs->msr |= MSR_VEC;
}
#endif