diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/signal_64.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 345947367ec..887e99d85bc 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -410,6 +410,10 @@ static long restore_tm_sigcontexts(struct pt_regs *regs, /* get MSR separately, transfer the LE bit if doing signal return */ err |= __get_user(msr, &sc->gp_regs[PT_MSR]); + /* pull in MSR TM from user context */ + regs->msr = (regs->msr & ~MSR_TS_MASK) | (msr & MSR_TS_MASK); + + /* pull in MSR LE from user context */ regs->msr = (regs->msr & ~MSR_LE) | (msr & MSR_LE); /* The following non-GPR non-FPR non-VR state is also checkpointed: */ @@ -505,8 +509,6 @@ static long restore_tm_sigcontexts(struct pt_regs *regs, tm_enable(); /* This loads the checkpointed FP/VEC state, if used */ tm_recheckpoint(¤t->thread, msr); - /* The task has moved into TM state S, so ensure MSR reflects this: */ - regs->msr = (regs->msr & ~MSR_TS_MASK) | __MASK(33); /* This loads the speculative FP/VEC state, if used */ if (msr & MSR_FP) { @@ -654,7 +656,7 @@ int sys_rt_sigreturn(unsigned long r3, unsigned long r4, unsigned long r5, #ifdef CONFIG_PPC_TRANSACTIONAL_MEM if (__get_user(msr, &uc->uc_mcontext.gp_regs[PT_MSR])) goto badframe; - if (MSR_TM_SUSPENDED(msr)) { + if (MSR_TM_ACTIVE(msr)) { /* We recheckpoint on return. */ struct ucontext __user *uc_transact; if (__get_user(uc_transact, &uc->uc_link)) |