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| author | Herbert Xu <herbert@lithui.me.apana.org.au> | 2017-12-22 20:00:50 +1100 |
|---|---|---|
| committer | Herbert Xu <herbert@lithui.me.apana.org.au> | 2017-12-22 20:00:50 +1100 |
| commit | 45fa9a324d0f5be9140ba2e0db9b8fb8a0b9b7e8 (patch) | |
| tree | a5e7c8428030ec0462b58133d6548ddff3802018 /arch/powerpc/kernel/process.c | |
| parent | fc8517bf627c9b834f80274a1bc9ecd39b27231b (diff) | |
| parent | 2973633e9f09311e849f975d969737af81a521ff (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Merge the crypto tree to pick up inside-secure fixes.
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; |