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| author | Alex Shi <alex.shi@linaro.org> | 2016-07-20 16:08:14 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-07-20 16:08:14 +0800 |
| commit | 1d508e233d21a7848cf54d7d03b40dac2d9ea873 (patch) | |
| tree | eec5222580c4bca752ae35d5cef3842166e6f8c8 /arch/powerpc/kernel/process.c | |
| parent | 439863d92fda525a8f3b326a24490e91c70f0496 (diff) | |
| parent | 5880876e94699ce010554f483ccf0009997955ca (diff) | |
Merge remote-tracking branch 'lts/linux-4.1.y' into linux-linaro-lsk-v4.1lsk-v4.1-16.07
Conflicts:
pick up 45d1abd9de arm64: Use PoU cache instr for I/D coherency
in arch/arm64/mm/flush.c
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index c8c8275765e7..dd023904bac5 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1240,6 +1240,16 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp) current->thread.regs = regs - 1; } +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM + /* + * Clear any transactional state, we're exec()ing. The cause is + * not important as there will never be a recheckpoint so it's not + * user visible. + */ + if (MSR_TM_SUSPENDED(mfmsr())) + tm_reclaim_current(0); +#endif + memset(regs->gpr, 0, sizeof(regs->gpr)); regs->ctr = 0; regs->link = 0; |