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| author | Takashi Iwai <tiwai@suse.de> | 2017-12-27 09:02:02 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-12-27 09:02:02 +0100 |
| commit | 7ad3423ebb02f340671f70a916bdc8dbec7573ee (patch) | |
| tree | b9168d363c24f2af2626e63011ec1f6c81e81d09 /arch/powerpc/kernel/process.c | |
| parent | 56a23ee52611ca76421f3d7cac100e1616716dae (diff) | |
| parent | 44be77c590f381bc629815ac789b8b15ecc4ddcf (diff) | |
| download | talos-op-linux-7ad3423ebb02f340671f70a916bdc8dbec7573ee.tar.gz talos-op-linux-7ad3423ebb02f340671f70a916bdc8dbec7573ee.zip | |
Merge branch 'for-linus' into for-next
Back-merge the upstream branch for applying further cleanup patches
for HD-Audio.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index bfdd783e3916..5acb5a176dbe 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1569,16 +1569,22 @@ void arch_release_task_struct(struct task_struct *t) */ int set_thread_tidr(struct task_struct *t) { + int rc; + if (!cpu_has_feature(CPU_FTR_ARCH_300)) return -EINVAL; if (t != current) return -EINVAL; - t->thread.tidr = assign_thread_tidr(); - if (t->thread.tidr < 0) - return t->thread.tidr; + if (t->thread.tidr) + return 0; + + rc = assign_thread_tidr(); + if (rc < 0) + return rc; + t->thread.tidr = rc; mtspr(SPRN_TIDR, t->thread.tidr); return 0; |
