diff options
| author | Linux Build Service Account <lnxbuild@localhost> | 2016-10-26 13:13:25 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2016-10-26 13:13:24 -0700 |
| commit | bcd8ec9210c9048c14d934e16267ba79a894db09 (patch) | |
| tree | 7e3f49424f21431eab08f679ea6213d6dfa32d1c /arch/powerpc/kernel/process.c | |
| parent | b12304a53614f77f37dd87b470ae76084e768966 (diff) | |
| parent | 617229a3e9400c58b578077ff6f81d2f25a1f5ff (diff) | |
Merge "Merge remote-tracking branch 'msm-4.4/tmp-510d0a3f' into msm-4.4"
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 36795d1e7558..a7b91b54c813 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -569,24 +569,6 @@ static void tm_reclaim_thread(struct thread_struct *thr, if (!MSR_TM_SUSPENDED(mfmsr())) return; - /* - * Use the current MSR TM suspended bit to track if we have - * checkpointed state outstanding. - * On signal delivery, we'd normally reclaim the checkpointed - * state to obtain stack pointer (see:get_tm_stackpointer()). - * This will then directly return to userspace without going - * through __switch_to(). However, if the stack frame is bad, - * we need to exit this thread which calls __switch_to() which - * will again attempt to reclaim the already saved tm state. - * Hence we need to check that we've not already reclaimed - * this state. - * We do this using the current MSR, rather tracking it in - * some specific thread_struct bit, as it has the additional - * benifit of checking for a potential TM bad thing exception. - */ - if (!MSR_TM_SUSPENDED(mfmsr())) - return; - tm_reclaim(thr, thr->regs->msr, cause); /* Having done the reclaim, we now have the checkpointed |
